{"title":"Passive","description":null,"products":[{"product_id":"dbx-dbxdb10v","title":"dbx dB10 Passive Direct Box","description":"\u003cp\u003eOne look at dbx's dB10 Passive direct box will tell you that it is clearly different with its bullet-proof construction, and extraordinary audio performance to rival its looks. Utilizing custom dbx mu-metal-shielded audio transformers, high-quality Neutrik® connectors, and low-noise circuitry preserves the sonic integrity and true characteristics of the signal source. Also included is a pad switch that accomodates instrument, line and even speaker level signals. Take even more control of your sound by utilizing the polarity invert switch to set the phase relationship between the direct and mic'd sound.\u003c\/p\u003e \u003cp\u003eAs a professional, you don’t have time for interference, so a ground lift switch is included to solve potential hum and buzz problems due to ground loops. And between the combined shielding of the cast metal chassis and the custom-wound transformer, you can be doubly assured of a clean signal free from interference. All of this sits atop a solid, stable footprint, that will keep the box from being dragged around the stage, and the unique contoured underside allows secure stacking of multiple units.\u003c\/p\u003e ","brand":"Harman Professional, Inc.","offers":[{"title":"Default Title","offer_id":51124426342584,"sku":"15068","price":140.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/15068_dbx-dB10-Passive-Direct-Box.jpg?v=1767902440"},{"product_id":"shure-a95u","title":"Shure A95U Line Matching Transformer","description":"\u003cp\u003eReversible line matching transformer matches low or high-impedance microphones to low or high-impedance inputs (Male XLR to ¼” Male Plug\/Female Jack). The transformer permits use of very long microphone cables with either low- or high-impedance microphones\u003c\/p\u003e ","brand":"Shure Incorporated","offers":[{"title":"Default Title","offer_id":51124494762168,"sku":"34430","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/34430_Shure-A95U-Line-Matching-Transformer.jpg?v=1767999578"},{"product_id":"dbx-dbxdjdi","title":"dbx DJDI 2-Channel Passive Direct Box","description":"\u003cp\u003eThe 2-channel passive DJdi is designed to be used as a standard tool for many audio applications. Offering two channels, the DJdi easily solves the problem of converting unbalanced signals into balanced output suitable for use with mixers, PAs, recording consoles and more. The continuously variable input signal attenuator can accommodate a wide range of signal levels and its passive design means clean, quiet and uncolored operation with no power required.\u003c\/p\u003e ","brand":"Harman Professional, Inc.","offers":[{"title":"Default Title","offer_id":51124599554232,"sku":"41526","price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/41526_dbx-DJDI-2-Channel-Passive-Direct-Box.jpg?v=1768001313"},{"product_id":"warm-audio-328981","title":"Warm Audio WA-DI-P Passive Direct Box","description":"\u003cp\u003eWhether you play guitar, bass, keyboards or another stringed instrument, Warm Audio's \u003cspan title=\"Warm Audio WA-DI-P Passive Direct Box\"\u003eWA-DI-P Passive Direct Box won't diminish your instrument's tone. Built around world-famous CineMag USA Transformer topology and engineering the Warm Audio WA-DI-P Passive Direct Box is like no other DI Boxes in the world. Constructed with top-tier discrete components housed in rugged aluminum chassis' that include switches, knobs and connectors that are all designed to withstand heavy abuse on the road or in the studio.\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003eWarm Audio DI boxes offer the rare versatility of having an onboard variable pad knob which attenuates your input signal all the way from -3dB to -30dB, which will easily tame any instrument input source. The direct box offers a Thru-put jack that is jumpered to the input jack. It is a convenience jack allowing you to send your instrument's signal to a second place in addition to the live mixer or recording device. The direct box can also take a recorded signal at line level and send it to another line input while simultaneously sending signal out of the XLR mic level output of the direct box.\u003c\/p\u003e \u003cp\u003eDirect Box Passive is best for balancing the signal of instruments with active electronics, but still performs extremely well on passive pickups by producing a frequency range that exceeds the bandwidth of most passive DI boxes on the market.\u003c\/p\u003e ","brand":"Warm Audio","offers":[{"title":"Default Title","offer_id":51438144225464,"sku":"100813","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/100813_Warm-Audio-WA-DI-P-Passive-Direct-Box.jpg?v=1768856686"},{"product_id":"radial-r800-0155-00-sb5w","title":"Radial StageBug SB-5W Wall-Mount Stereo Direct Box","description":"\u003cp\u003eThe StageBug SB5W is a passive stereo direct box made to fit in a standard North American single-gang electrical wall plate, providing AV integrators with an effective means of connecting an unbalanced audio source such as a laptop, smartphone, or tablet to a balanced audio system.\u003c\/p\u003e \u003cp\u003eThe StageBug SB5W provides a permanently mounted interface to connect consumer audio devices with installed pro audio systems. Front panel 3.5mm TRS and RCA connectors are provided for any stereo source and a fully variable level control makes volume adjustments easy. Inside, the SB5W employs dual transformers that convert the inputs to a low impedance balanced signal, and eliminate hum and buzz caused by ground loops. Set \u0026amp; forget ground lift and mono switches are also included to further reduce noise and to sum the left and right channels together if needed. The outputs of the SB5W feature screw terminals with tie down points for tie-wraps to make installation fast, efficient and permanent.\u003c\/p\u003e ","brand":"Radial","offers":[{"title":"Default Title","offer_id":51438187610296,"sku":"10146","price":169.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/10146_Radial-StageBug-SB-5W-Wall-Mount-Stereo-Direct-Box.jpg?v=1767394780"},{"product_id":"radial-r800-1117-00-trim-two","title":"Radial Trim-Two Passive Stereo Direct Box with Level Control","description":"\u003cp\u003eThe Trim-Two™ is a passive stereo direct box designed for use with laptop computers and other consumer playback devices, eliminating hum and buzz from ground loops while providing an easy-access level control for quick adjustments on stage.\u003c\/p\u003e \u003cp\u003eThe Trim-Two allows you to connect any playback device and interface it with balanced pro audio equipment without signal loss or hum and buzz from ground loops. It features two transformers which isolate and balance the audio output from your source device, eliminating noise and allowing you to use long cable runs without signal degradation. A handy mono sum switch makes it easy to reduce the output channel count or send the same signal to two destinations at once, and an accessible level control gives you the ability to adjust levels in an instant. Multiple input connector types make it easy to hook up any consumer line level playback source, from laptops \u0026amp; smartphones to DJ equipment. The completely passive design means that you never have to worry about powering the Trim-Two, making it truly plug \u0026amp; play.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51438827471032,"sku":"26437","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/26437_Radial-Trim-Two-Passive-Stereo-Direct-Box-with-Level-Control.jpg?v=1767991039"},{"product_id":"radial-r800-1012-00-jdi-stereo","title":"Radial JDI Stereo Passive Direct Box","description":"\u003cp\u003eThe Radial JDI Stereo is a passive stereo direct box designed to handle extreme signal levels without distortion of any kind. Unlike an active DI that is limited by the buffering amplifier's rail voltage, the JDI employs a pair of Jensen audio transformers that at once balance the signal and lower the impedance to drive long cables. No power is required. You simply plug in and it works.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51438861058232,"sku":"28572","price":399.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/28572_Radial-JDI-Stereo-Passive-Direct-Box.jpg?v=1767991856"},{"product_id":"mackie-mdb-2p","title":"Mackie MDB-2P Stereo Passive Direct Box","description":"\u003cp\u003eFrom acoustic guitars to laptops, always sound your best with the Mackie MDB-2P Stereo Passive Direct Box. The MDB Series will give you the peace of mind that your sound will faithfully get to your audience the way that you hear it on stage.\u003c\/p\u003e ","brand":"Mackie","offers":[{"title":"Default Title","offer_id":51438876426424,"sku":"29386","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/29386_Mackie-MDB-2P-Stereo-Passive-Direct-Box.jpg?v=1767992114"},{"product_id":"whirlwind-podmix","title":"Whirlwind podMIX 2-Channel Passive Mixer","description":"\u003cp\u003eThe podMIX is a passive mixer that combines a microphone with a stereo, line level audio source and reduces them to mic level for connection to a single channel input of a sound system.\u003c\/p\u003e \u003cp\u003eUse it to combine your microphone with a CD or MP3 player, computer, DJ mixer, etc., for paging and announcing over background music in banquet halls, sports arenas and party houses.\u003c\/p\u003e \u003cp\u003eAccepts the stereo line inputs via 1\/8\" stereo jack or dual RCA phono jacks, reduces them to mic level and sums them with the microphone into a single balanced mono output. These are wired in parallel and can be used as a loop thru from one to the other.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51442807046328,"sku":"37276","price":265.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/37276_Whirlwind-podMIX-2-Channel-Passive-Mixer.jpg?v=1768000315"},{"product_id":"whirlwind-direct4-4-channel-direct-box","title":"Whirlwind DIRECT4 4 Channel Direct Box","description":"\u003cp\u003eThe DIRECT4 combines features found on four of Whirlwind's DIRECTOR® direct boxes in one unit. Perfect for converting unbalanced signals from multiple instruments, keys, acoustic guitar preamps, CD and tape players, computer sound cards, etc. The input and output grounds of each section are isolated from each other. This allows the DIRECT4 to be used as if it were four completely separate DIs without fear of creating ground loop interaction.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443025707192,"sku":"46146","price":363.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46146_Whirlwind-DIRECT4-4-Channel-Direct-Box.jpg?v=1768002944"},{"product_id":"whirlwind-edb1-connect-series-direct-box","title":"Whirlwind EDB1 CONNECT Series Direct Box","description":"\u003cp\u003eThe Whirlwind EDB1 CONNECT Series Direct Box offers rugged construction while maintaining exceptional sound quality.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443025871032,"sku":"46150","price":68.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46150_Whirlwind-EDB1-CONNECT-Series-Direct-Box.jpg?v=1768002946"},{"product_id":"whirlwind-imp-2-direct-box","title":"Whirlwind IMP 2 Direct Box","description":"\u003cp\u003eThe Whirlwind IMP 2 Direct Box converts a line or instrument level unbalanced signal to a low impedance mic level balanced signal.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443025936568,"sku":"46152","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46152_Whirlwind-IMP-2-Direct-Box.jpg?v=1768002948"},{"product_id":"radial-jdi-passive-direct-box","title":"Radial JDI Passive Direct Box","description":"\u003cp\u003eThe Radial JDI is a passive direct box designed to handle extreme signal levels without distortion of any kind. Unlike an active DI that is limited by the buffering amplifier's rail voltage, the JDI employs a Jensen audio transformer as the engine. Jensen transformers are legendary in their ability to gracefully handle transients while delivering a smooth, warm sounding Bessel curve, reminiscent of the finest vintage gear. Ruler flat from 10Hz to 40kHz and with virtually zero phase deviation, the JDI delivers the natural, pure sound of the instrument without artifact.\u003c\/p\u003e \u003cp\u003eThe 100% passive circuitry inside the JDI is incredibly efficient. The transformer performs both high-to-low impedance conversion and signal balancing at the same time with minimal loading and does so without any power whatsoever. The transformer also introduces a magnetic bridge that passes signal while rejecting stray DC voltage. This makes the JDI particularly adept at eliminating hum and buzz caused by ground loops.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443026034872,"sku":"46155","price":259.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46155_Radial-JDI-Passive-Direct-Box_ALT4sqr.jpg?v=1771536998"},{"product_id":"radial-prod2-stereo-passive-direct-box","title":"Radial ProD2 Stereo Passive Direct Box","description":"\u003cp\u003eThe Radial ProD2 is a compact stereo direct box developed specifically to address the needs and challenges of interfacing a stereo keyboard to a professional audio system. This passive DI features two independent channels with separate inputs and thru-puts for the artist's stage amp and two fully isolated outputs for the PA system.\u003c\/p\u003e \u003cp\u003eAt the heart of the design are two high performance Eclipse ET-DB2 transformers. These deliver 20Hz to 20kHz performance with less than 1.5dB deviation above 18kHz and are able to withstand tremendous signal levels without distortion. Unlike active circuits that overload when the signal exceeds the rail voltage, transformers saturate. This creates a pleasing effect that naturally rounds out the tone, acting like a subtle limiter which is particularly advantageous when interfacing the ProD2 with digital pianos, samplers and drum machines that can produce excessive dynamics. Transformers are particularly adept at eliminating hum and buzz caused by ground loops.\u003c\/p\u003e \u003cp\u003eAs with all Radial products, the ProD2 is built tough to handle the rigors of professional touring. A 14-gauge steel ultra rigid i-beam skeleton frame eliminates opportunity from outside stress to flex the sensitive PC board and cause premature solder joint failure. The innovative book-end design creates a protective zone around the connectors and switches further increasing lifespan. And a full bottom no-slip pad adds mechanical isolation and electrical insulation to further reduce opportunity for noise.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443026133176,"sku":"46158","price":209.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46158_Radial-ProD2-Stereo-Passive-Direct-Box.jpg?v=1768002954"},{"product_id":"radial-prod8-8-channel-rackmount-direct-box","title":"Radial ProD8 8-Channel Rackmount Direct Box","description":"\u003cp\u003eThe ProD8 is a high performance 8-channel passive direct box optimized for keyboard rigs in professional touring, with redundant 1\/4\" inputs for each channel and a completely passive design that requires no power to operate.\u003c\/p\u003e \u003cp\u003eThe ProD8 features up to 8 direct box outputs in a single 1RU rack space for professional touring, with dual ¼\" inputs on each channel to incorporate a backup system or connect up to 16 channels of audio at once. A ¼\" TRS effects insert jack on each channel allows for connection to various effects devices while adding greater routing options, while a thru-put jack delivers a direct feed to the artist's playback system. The front panel features isolated XLRs for balanced low-noise outputs, each equipped with ground lift and 180° polarity reverse switches.\u003c\/p\u003e \u003cp\u003eThe engine inside the ProD8 is a custom wound Eclipse ET-DB2 transformer that performs both the impedance matching and balancing. Linear from 20Hz to 20kHz, it is able to withstand the extreme dynamics common with today's digital keyboards. Unlike active circuits that overload and square wave when the rail voltage is exceeded, transformers saturate. This means that as the signal increases, the ProD8 naturally rounds out the tone producing a warm Bessel curve reminiscent of the very best vintage audio gear. The other significant advantage to this passive design is 100% galvanic isolation between the source and destination, which eliminates hum and buzz caused by ground loops.\u003c\/p\u003e \u003cp\u003eTo enhance setup options, the Radial ProD8 is equipped with reversible rack ears. This handy feature allows the system tech to position the inputs on the front of the rack when interfacing with external keyboards or have them inside if the setup is predominantly equipped with rack modules.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443026165944,"sku":"46159","price":1029.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46159_Radial-ProD8-8-Channel-Rackmount-Direct-Box.jpg?v=1768002956"},{"product_id":"whirlwind-director-direct-box","title":"Whirlwind DIRECTOR Direct Box","description":"\u003cp\u003eThe Whirlwind DIRECTOR Direct Box converts an unbalanced line, instrument or speaker level signal to low impedance balanced mic level.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443038585016,"sku":"46821","price":118.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46821_Whirlwind-DIRECTOR-Direct-Box.jpg?v=1768003331"},{"product_id":"whirlwind-direct2-dual-direct-box","title":"Whirlwind DIRECT2 Dual Direct Box","description":"\u003cp\u003eThe DIRECT2 combines features found on two of Whirlwind's DIRECTOR® direct boxes in one unit. Perfect for converting unbalanced signals from stereo keyboards, acoustic guitar preamps, CD and tape players, computer sound cards, etc. The input and output grounds of each section are isolated from each other. This allows the DIRECT2 to be used as if it were two completely separate DIs without fear of creating ground loop interaction.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443038617784,"sku":"46822","price":203.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46822_Whirlwind-DIRECT2-Dual-Direct-Box.jpg?v=1768003333"},{"product_id":"whirlwind-pcdi-direct-box","title":"Whirlwind pcDI Direct Box","description":"\u003cp\u003eThe Whirlwind pcDI is perfect for interfacing the outputs of CD players, computer sound cards, iPODs® \/ MP3 players, tape decks, etc. with professional, balanced, low impedance equipment.\u003c\/p\u003e \u003cp\u003eThis unit contains two separate DIs - input your signals with one 3.5mm (1\/8\") mini TRS stereo jack, two sets of color coded RCA phono type input and through jacks or ¼\" TS input jacks. Output is via corresponding color coded XLRs.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443038814392,"sku":"46826","price":207.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46826_Whirlwind-pcDI-Direct-Box.jpg?v=1768003339"},{"product_id":"whirlwind-poddi-direct-box","title":"Whirlwind podDI Direct Box","description":"\u003cp\u003eThe Whirlwind podDI Direct Box is a single output summing direct box. Use the podDI to connect CD and MP3 players, computer sound card outputs, DJ mixers, etc. to professional equipment with balanced inputs such as a mixing console. Accepts stereo inputs and sums them into a single mono output.\u003c\/p\u003e \u003cp\u003eA variable attenuator on each input allows level matching between left and right inputs. This makes the podDI a passive mixer in split track audio applications, balancing the voice track and the music track levels in the summed mono output.\u003c\/p\u003e ","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":51443038879928,"sku":"46827","price":151.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46827_Whirlwind-podDI-Direct-Box.jpg?v=1768003341"},{"product_id":"radial-proav1-passive-multimedia-direct-box","title":"Radial PROAV1 Passive Multimedia Direct Box","description":"\u003cp\u003eThe ProAV1 is a passive direct box with multiple input connector types and a stereo-to-mono merge function designed specifically for AV integrators to reduce channel requirements.\u003c\/p\u003e \u003cp\u003eThe ProAV1 provides you with the ability to connect almost any audio source to a PA system, while automatically summing stereo sources to mono to preserve channels and simplify the audio setup. Inputs are available via 1\/4\", RCA, 3.5mm stereo, and line-level XLR connections, giving you the ability to easily connect to smartphones, tablets, laptops, CD players, or even a +4dB line level output from a console or recording interface. Transformer isolation helps eliminate noise while maintaining a linear frequency response, and a mono balanced XLR output allows you to feed a recording interface or a PA system.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443038912696,"sku":"46828","price":154.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46828_Radial-PROAV1-Passive-Multimedia-Direct-Box.jpg?v=1768003342"},{"product_id":"radial-proav2-stereo-passive-multimedia-direct-box","title":"Radial PROAV2 Stereo Passive Multimedia Direct Box","description":"\u003cp\u003eThe ProAV2 is a stereo passive direct box designed for audio-video integrators and technicians, with an array of input connector options to easily interface with a wide range of audio equipment.\u003c\/p\u003e \u003cp\u003eThe ProAV2 is an indispensable device for live sound engineers and audio-video technicians alike, with the ability to seamlessly interface nearly any device with a pro audio system. A 3.5mm stereo input jack and dual 1\/4\" and RCA connectors ensure that you won't ever be hunting around for adaptor cables, while ultra-quiet performance with transformer isolation helps eliminate hum and buzz from ground loops. The ProAV2 maintains stereo separation and exhibits linear frequency response from 20Hz to 20kHz, with balanced mic-level XLR outputs that allow you to send signals through a multichannel audio snake on stage or into two channels of a mixing console.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443038978232,"sku":"46829","price":229.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46829_Radial-PROAV2-Stereo-Passive-Multimedia-Direct-Box_ALT0sqr.jpg?v=1771537102"},{"product_id":"radial-jd6-6-channel-passive-direct-box","title":"Radial JD6 6-Channel Passive Direct Box","description":"\u003cp\u003eThe JD6™ a high performance six-channel rackmount direct box designed for the most demanding studio and live touring applications.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443077284024,"sku":"47763","price":1139.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/47763_Radial-JD6-6-Channel-Passive-Direct-Box.jpg?v=1768003870"},{"product_id":"radial-prodi-passive-direct-box","title":"Radial ProDI Passive Direct Box","description":"\u003cp\u003eThe ProDI is a passive direct box designed for use on stage or in home recording studios, with the ability to handle high output instruments without distortion, and a transformer-isolated output to eliminate noise from ground loops.\u003c\/p\u003e \u003cp\u003eThe heart of the ProDI is a custom wound Radial transformer. It features an exceptionally high 140k\u0026amp;ohm; input impedance to reduce loading while enabling the ProDI to handle extreme signal levels at all frequencies without distortion. This is further improved upon with an internal MuMETAL® shield to protect against electromagnetic fields that can cause unshielded transformers to distort.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51443077382328,"sku":"47765","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/47765_Radial-ProDI-Passive-Direct-Box_ALT4sqr.jpg?v=1771537178"},{"product_id":"proco-sound-db1","title":"ProCo Sound DI Box | DB1","description":"\u003cp\u003eThe ProCo Sound TradeTools Audio-Visual Interface is built for AV coordinators, system integrators, and house engineers who routinely connect laptops, DVD players, cassette decks, and other consumer playback devices to installed or portable PA systems in auditoriums, lecture halls, boardrooms, and civic venues. Rather than patching mismatched signal levels with adapters or accepting noise from ground loops, this unit handles the conversion and isolation in one rugged box.\u003c\/p\u003e\u003cp\u003eThree input connector types — 1\/4\" TRS phone, dual RCA phono, and 3.5mm stereo mini — accept signals ranging from nominal -10 dBV consumer sources to higher-level line and speaker outputs, with all inputs resistively mixed to monaural before processing. The DBT-1 transformer delivers a floating 150-ohm balanced output via a standard 3-pin XLR male connector, and an additional unbalanced 1\/4\" line output feeds recorders or secondary systems without interrupting the main signal path. A GND\/LFT switch handles AC ground loop hum at the source rather than downstream.\u003c\/p\u003e\u003cp\u003eThe Uni-box enclosure — extruded aluminum side channels, 16-gauge steel top, bottom, and end plates, black textured powder coat, and a Lexan panel overlay — resists physical damage in rental and institutional environments while providing the magnetic shielding critical for transformer-equipped signal interfaces. Slotted side channels allow multiple TradeTools units to stack or strap together for clean rack-adjacent deployment.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"DB1","offer_id":51443265700024,"sku":"52166","price":233.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/52166_RapcoHorizon-DB1-Passive-Direct-Box_ALT01.jpg?v=1783627305"},{"product_id":"hosa-dib-443-sidekick-passive-direct-box","title":"Hosa DIB-443 Sidekick Passive Direct Box","description":"\u003cp\u003eThe Sidekick Passive DI Box by Hosa Technology makes it easy to connect your guitar, bass, or keyboard directly to a mixing console! It features an isolation transformer that transforms an instrument-level signal to a line-level signal.\u003c\/p\u003e \u003cp\u003eUse the Sidekick to \"go direct\" for a pure, clean, noise-free tone that is perfect for Digital Signal Processing (DSP) or throw the INST\/LINE switch to LINE position to allow your amp to drive the line for a natural, overdriven tone. Either way, it's your sound--all of it!\u003c\/p\u003e ","brand":"Hosa","offers":[{"title":"Default Title","offer_id":51443269075128,"sku":"52510","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/52510_Hosa-DIB-443-Sidekick-Passive-Direct-Box.jpg?v=1768239803"},{"product_id":"art-pdb-passive-direct-box","title":"ART PDB Passive Direct Box","description":"\u003cp\u003eThe PDB™ Passive Direct Box is a rock solid, roadworthy DI for connection of the outputs of electronic musical instruments (or other audio sources) to the balanced inputs of mixer consoles and other balanced inputs.\u003c\/p\u003e \u003cp\u003eThe PDB™ also allows connection of a music source to an instrument amplifier while simultaneously patching it to a mixer.\u003c\/p\u003e ","brand":"Yorkville Sound","offers":[{"title":"Default Title","offer_id":51443980927160,"sku":"70988","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/70988_ART-PDB-Passive-Direct-Box.jpg?v=1768242841"},{"product_id":"radial-stagebug-sb-2-compact-passive-direct-box","title":"Radial StageBug SB-2 Compact Passive Direct Box","description":"\u003cp\u003eThe StageBug SB-2 is a compact passive direct box that is perfect for active basses and keyboards, is small enough to fit inside an instrument case, and features a stereo to mono mix function to save mixer channels.\u003c\/p\u003e \u003cp\u003eThe compact design begins with a ¼\" input and thru-put to feed the on-stage amp. This connects to the custom made Eclipse ET-DB3 transformer which performs the impedance matching and balances the signal. When using extra high output instruments, a -15dB pad can be inserted into the signal path. This enables the SB-2 to be used with active basses and digital pianos that often tend to overload the input side of the interface. An innovative stereo-to-mono merge function provides a convenient way to connect stereo keyboards and computers without having to reset the source for mono operation, saving time and input channels on the PA. The SB-2 output features an XLR wired to the AES standard with pin-2 hot. Once connected, the SB-2 delivers a smooth warm sound reminiscent of older vintage gear. The Eclipse ET-DB3 transformer is magical in its ability to handle extreme signal levels with a natural compression that is pleasing to the ears. The transformer also helps eliminate hum and buzz caused by ground loops by isolating the input from the output. This is augmented with a ground lift switch that lifts pin-1 on the XLR for quiet, professional results.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51444000882872,"sku":"71606","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/71606_Radial-StageBug-SB-2-Compact-Passive-Direct-Box.jpg?v=1768242984"},{"product_id":"radial-stagebug-sb-5-compact-stereo-laptop-direct-box","title":"Radial StageBug SB-5 Compact Stereo Laptop Direct Box","description":"\u003cp\u003eThe Radial StageBug SB-5 is a compact \u0026amp; portable stereo direct box designed to accommodate laptop computers, tablets, and other consumer audio products when amplifying the signal through a PA system.\u003c\/p\u003e \u003cp\u003eThe StageBug SB-5 provides an easy to use professional interface for connecting any mobile playback device to a mixer or PA system, with a built-in cable and 3.5mm stereo plug to connect directly to your laptop, smartphone, or tablet. Inside, a pair of custom wound transformers isolate the signals to prevent hum and buzz, and balance the audio to feed long cable runs without noise. Left and right 1\/4\" TRS outputs are provided for stereo operation, or a mono XLR output can be used to save channels on the PA system. The SB-5 works without any power required, and features additional ground lift and pad switches to eliminate ground loop noise and prevent distortion from high output audio sources.\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51444001013944,"sku":"71613","price":124.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/71613_Radial-StageBug-SB-5-Compact-Stereo-Laptop-Direct-Box.jpg?v=1768242998"},{"product_id":"art-av-direct-audio-video-direct-box","title":"ART AV Direct Audio Video Direct Box","description":"\u003cp\u003eThe AV Direct is the ideal input solution for any application where stereo iPods, Laptop computers, consumer DVD players, Consumer HiFi equipment or video machines have to be connected to a single XLR microphone level input. Unlike standard gender bender cables or DI boxes, the AV Direct can accept virtually any input connection and output level (including amplified speaker outputs) and offers remote level control, ideal for setting the volume of your component at the source, rather than in and AV room, audio closet or installation rack.\u003c\/p\u003e \u003cp\u003eThe AV Direct has stereo RCA, 1\/8th inch and 1\/4-inch TRS line level inputs, as well as a 1\/4-inch and bare wire pressure clip speaker level inputs. A switchable 4.8kHz high cut filter, ground lift and variable level control allow the AV Direct to effectively filter out any extraneous unwanted noise while offering variable volume control at source. The speaker level inputs are heavily padded and transformer isolated from the XLR output, allowing amplified speaker level (up to 100 watts @ 8 ohms) to be tapped off, and sent to a microphone level input. A 20Hz to 20kHz frequency response ensures the AV Direct will function seamlessly with any high quality audio source.\u003c\/p\u003e ","brand":"Yorkville Sound","offers":[{"title":"Default Title","offer_id":51444705394872,"sku":"87951","price":95.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/87951_ART-AV-Direct-Audio-Video-Direct-Box.jpg?v=1768253898"},{"product_id":"radial-prormp-studio-reamper","title":"Radial ProRMP Studio Reamper","description":"\u003cp\u003eFor years, Reamping has been the ‘secret weapon’ for countless recordings by the biggest names in the business! Few realize that recording engineers not only Reamp guitars, but often Reamp bass, keyboards, drums and even voice as a means to bring creative new tones and sonic signatures to their music.\u003c\/p\u003e \u003cp\u003eThe Radial ProRMP is a 100% passive Reamper. This means it does not require any external powering. The magic behind the ProRMP's great tone is a custom wound transformer that at once converts the balanced line level source to a hi-z output for your amp while also acting as an electrical isolator to eliminate troublesome ground loops that can often cause buzz and hum in the sound. Plug and play easy to use, the ProRMP connects from the recorder to your amp and effects units and does all the impedance matching for you. Just adjust the level to suit!\u003c\/p\u003e ","brand":"Radial Engineering Ltd.","offers":[{"title":"Default Title","offer_id":51444719452344,"sku":"88603","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/88603_Radial-ProRMP-Studio-Reamper_3.jpg?v=1768254283"},{"product_id":"art-dpdb-dual-passive-direct-box","title":"ART dPDB Dual Passive Direct Box","description":"\u003cp\u003eThe ART dPDB™ Passive Direct Box features two high-quality direct boxes in one portable enclosure. It is a rock solid, roadworthy DI for connection of the outputs of electronic musical instruments (or other audio sources) to the balanced inputs of mixer consoles and other balanced inputs.\u003c\/p\u003e\u003cp\u003e It also allows connection of a music source to an instrument amplifier while simultaneously patching it to a mixer. The dPDB™ features switchable Input Attenuation (0 dB, -20dB, -40dB), a 50k ohm Instrument Input, 50k ohm Parallel Link jack, a 600 ohm XLR Output Jack, and a switchable Ground Lift.\u003c\/p\u003e\u003cp\u003e The dPDB excels at impedance matching and improving the sound of any instrument plugged into it. The ART dPDB™ is a must-have in any audio tool kit. Enclosed in a rugged steel chassis, it is designed and manufactured to the highest standards to provide years of quiet, reliable performance. \u003c\/p\u003e ","brand":"Yorkville Sound","offers":[{"title":"Default Title","offer_id":51445166702776,"sku":"119525","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/119525_ART-dPDB-Dual-Passive-Direct-Box.jpg?v=1768867098"},{"product_id":"palmer-pan-01-passive-di-box","title":"Palmer PAN 01 Passive DI Box","description":"\u003cp\u003eThe Palmer PAN 01 is a Passive DI box. Jack input with parallel \"THRU\" output, transformer balanced XLR output. Attenuable input sensitivity, can handle both line level and speaker level signals.\u003c\/p\u003e ","brand":"Palmer","offers":[{"title":"Default Title","offer_id":51445237350584,"sku":"123157","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/123157_Palmer-PAN-01-Passive-DI-Box.jpg?v=1768868710"},{"product_id":"shure-a95uf-line-matching-transformer","title":"Shure A95UF Line Matching Transformer","description":"\u003cp\u003e\u003cspan\u003e\u003cstrong\u003eLine Matching Transformer (Female XLR to ¼” Male Plug\/Female Jack)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLine matching transformer connects a balanced low-impedance microphone to an unbalanced high-impedance input. The transformer prevents high-frequency loss, level loss, and hum or noise pickup associated with the use of high-impedance equipment.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAllows a balanced low-impedance microphone to be connected to an unbalanced high-impedance input. The transformer prevents high-frequency loss, level loss, and hum or noise pickup often associated with the use of high-impedance equipment.\u003c\/span\u003e\u003c\/p\u003e","brand":"Shure Incorporated","offers":[{"title":"Default Title","offer_id":52223615271096,"sku":"23209","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/92e45233f13acd5ef118ceb8a05ccf74.png?v=1761840340"},{"product_id":"shure-a15bt-bridging-transformer","title":"Shure A15BT Bridging Transformer","description":"\u003cp\u003e\u003cspan\u003eBridging transformer matches, bridges, or isolates balanced and unbalanced devices of different impedances and levels (Male XLR to female XLR).\u003c\/span\u003e\u003c\/p\u003e","brand":"Shure Incorporated","offers":[{"title":"Default Title","offer_id":52223637586104,"sku":"23104","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/442af1b05663c4065eeb2ece5e4c8098.png?v=1761841544"},{"product_id":"art-dualzdirect","title":"ART DUALZDIRECT dual ch passive direct box","description":"\u003cp\u003eART DualZDirect | dual ch passive direct box\u003c\/p\u003e","brand":"Yorkville Sound","offers":[{"title":"Default Title","offer_id":52247857823928,"sku":"79436","price":55.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/DUALZDIRECT_86c9558b-6006-44f1-98d2-a8786ffc9b0d.webp?v=1785854965"},{"product_id":"samson-md2-pro","title":"Samson MD2 Pro Stereo Passive Direct Box","description":"\u003cp\u003eThe Samson MD2 Pro is a stereo passive direct box that combines two premium direct boxes in a single enclosure, converting unbalanced instrument or line-level signals into balanced, low-impedance signals for live sound and recording applications.\u003c\/p\u003e\u003cp\u003eFeaturing dual STLX Mu-Metal shielded transformers for ultra-low distortion and noise rejection, the MD2 Pro includes dual ground lift switches, 3-position attenuation switches (0dB\/-10dB\/-20dB), unbalanced thru outputs, balanced XLR outputs, and a stereo\/mono sum switch — all housed in a rugged 14-gauge steel chassis.\u003c\/p\u003e","brand":"Samson Technologies Corp.","offers":[{"title":"Default Title","offer_id":52248131535032,"sku":"11003","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/brand_logo_Samson_cb63a9b2-4def-42e6-bf4d-d2a0789fb1aa.jpg?v=1783022600"},{"product_id":"samson-md1","title":"Samson MD1 Mono Passive Direct Box","description":"\u003cp\u003eThe Samson MD1 is a mono passive direct box built for live and studio use, featuring Samson's STL transformer for an extended, flat frequency response with ultra-low distortion.\u003c\/p\u003e\u003cp\u003eHoused in a rugged 14-gauge steel chassis, the MD1 delivers a clean balanced output and includes a Thru jack to pass signal to an amplifier or monitor without affecting the original audio.\u003c\/p\u003e","brand":"Samson Technologies Corp.","offers":[{"title":"Default Title","offer_id":52248131600568,"sku":"10915","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/brand_logo_Samson_6a243ca6-f381-4431-b141-aa4bd95672a7.jpg?v=1783022593"},{"product_id":"whirlwind-mltdir","title":"Whirlwind MLTDIR MultiDirector 4-Channel Passive DI Rack Unit","description":"\u003cp\u003eThe Whirlwind MLTDIR MultiDirector is designed for audio engineers and system integrators who need reliable, passive direct injection across multiple channels without dedicating separate rack space or power to each unit. By consolidating four Director-series passive DI circuits into a single 1U rack module, the MLTDIR is a practical solution for stage racks, front-of-house rigs, and installed AV systems where rack real estate is a premium.\u003c\/p\u003e\u003cp\u003ePassive operation means the MLTDIR converts instrument or line-level signals to balanced mic level entirely without external power, eliminating the need for power supplies or phantom management for the DI stage. This makes it particularly well-suited for touring applications where setup speed and signal reliability under variable power conditions are critical. The four independent channels operate without crosstalk between them, supporting keyboards, playback systems, or any unbalanced source that needs to feed a professional console.\u003c\/p\u003e\u003cp\u003eFor integrators building permanent installs — houses of worship, theaters, or corporate AV systems — the 1U format integrates cleanly into standard equipment racks and eliminates the maintenance overhead associated with active or powered DI banks. Compared to active DI solutions, the MLTDIR's passive design removes a potential failure point and keeps the signal path simple and consistent.\u003c\/p\u003e","brand":"Whirlwind Music Dist., Inc","offers":[{"title":"Default Title","offer_id":52296543830200,"sku":"36785","price":412.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/36785_WHIRLWI-MLTDIR_ALT01sqr.jpg?v=1783968735"},{"product_id":"shure-a15la","title":"Shure A15LA 50dB In-Line Attenuator for Line to Mic Conversion","description":"\u003cp\u003eThe A15LA solves a persistent challenge in live sound and broadcast workflows: connecting line-level equipment to microphone inputs without distortion. By providing 50dB of fixed attenuation, it bridges the gain gap between consumer or pro-audio outputs and the sensitive front-end of a mixing console or recorder. This passive design requires no batteries or phantom power, making it a reliable inline solution for integrators, AV techs, and broadcast engineers who need to interface CD players, laptops, or playback devices with mic-level infrastructure.\u003c\/p\u003e\u003cp\u003eBuilt for permanent installation and touring alike, the A15LA fits between any standard XLR connection and operates transparently across the audio spectrum. Its compact form factor and transformer-free circuitry ensure minimal signal coloration, while the robust housing withstands the mechanical stress of repeated cable changes and rack-mounted patch bays.\u003c\/p\u003e","brand":"Shure Incorporated","offers":[{"title":"Default Title","offer_id":52444559638712,"sku":"23106","price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/23106_Shure-A15LA-50dB-In-Line-Attenuator-for-Line-to-Mic-Conversion_ALT01sqr.jpg?v=1781296888"},{"product_id":"samson-samd1pro","title":"Samson MD1 PRO Professional Mono Passive Direct Box","description":"\u003cp\u003eThe Samson MD1 Pro Mono Passive Direct Box combines premium sound circuitry with durable, roadworthy construction, providing high-quality solutions for line, instrument and speaker level signals. The MD1 Pro allows balanced lines to be sent from your instrument long distances without inducing noise.\u003c\/p\u003e","brand":"Samson Technologies Corp.","offers":[{"title":"Default Title","offer_id":52445306093752,"sku":"10916","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/MD1_20PRO_4d26c115-51fc-4dc4-b302-7a9098436ecd.webp?v=1785874424"},{"product_id":"mackie-mdb-1p","title":"Mackie MDB-1P Passive Direct Box","description":"\u003cp\u003eMACKIE MDB-1P | Passive Direct Box\u003c\/p\u003e","brand":"LOUD Technologies, Inc.","offers":[{"title":"Default Title","offer_id":52445968007352,"sku":"29383","price":79.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/MDB-1P_14931297-c9aa-45a8-9283-3593b6e81ea8.webp?v=1785871283"},{"product_id":"rapcohorizon-db-2","title":"RapcoHorizon DB-2 Passive Dual-Channel Direct Box","description":"\u003cp\u003eThe RapcoHorizon DB-2 is a passive dual direct box built for working engineers and touring musicians who need a compact, no-fuss solution for converting instrument-level signals to balanced mic-level outputs. With two fully independent channels sharing a single housing, it handles stereo sources, keyboard rigs, or two separate instruments simultaneously without requiring batteries or phantom power — a reliable choice when rack space, weight, and power availability are all concerns.\u003c\/p\u003e\u003cp\u003eEach channel routes signal through a DBT transformer and delivers a balanced XLR male output for direct connection to any mixing console mic input. A quarter-inch loop-through jack on each channel keeps the original signal path intact for monitoring or feeding a stage amplifier, making the DB-2 well-suited for live stage applications where the performer still needs an amp on deck. The panel-mount ground lift switches on both channels address hum and buzz introduced by ground loops — a common issue in venues with aging electrical infrastructure or when sharing power with lighting rigs.\u003c\/p\u003e\u003cp\u003eFor audio engineers running front-of-house at small-to-mid-size venues, sound companies managing backline, or AV integrators handling presentation audio, the DB-2 offers a straightforward transformer-isolated interface that performs consistently across a wide range of source signals without the maintenance overhead of active designs.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"Default Title","offer_id":52446041899192,"sku":"35431","price":149.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/35431_RAPHOR-DB-2_ALT01.jpg?v=1783628399"},{"product_id":"rolls-db14b","title":"Rolls DB14b STEREO PATCH BOX","description":"\u003cp\u003eROLLS DB14b | STEREO PATCH BOX\u003c\/p\u003e","brand":"Rolls Corporation","offers":[{"title":"Default Title","offer_id":52446046421176,"sku":"35701","price":69.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/DB14B_289f75ec-1275-4952-bde7-2ebc1b6b7327.webp?v=1785873855"},{"product_id":"rolls-db24","title":"Rolls DB24 STEREO DIRECT INTERFACE","description":"\u003cp\u003eROLLS DB24 | STEREO DIRECT INTERFACE\u003c\/p\u003e","brand":"Rolls Corporation","offers":[{"title":"Default Title","offer_id":52446046552248,"sku":"35708","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/DB24_ff9871a7-f1a2-4826-a49d-c23e83a97d0d.webp?v=1785873856"},{"product_id":"rapcohorizon-db-1","title":"RapcoHorizon DB Direct Box | DB-1","description":"\u003cp\u003eThe RapcoHorizon DB Direct Box line is built for engineers and musicians who need a dependable passive DI solution without the complexity of active circuitry. These boxes require no batteries or phantom power, making them ideal for stage plots where power management is a concern, or for use in environments where a simple, road-worthy signal conversion tool is essential. Whether feeding a front-of-house console from an acoustic guitar, keyboard, or bass rig, the DB Direct Box family delivers transformer-isolated, balanced output at mic level through a standard XLR connection.\u003c\/p\u003e\u003cp\u003eDesigned for touring musicians, live sound engineers, and installed AV applications, the DB Direct Box is built around a discrete transformer for reliable impedance matching from Hi-Z instrument sources to Lo-Z console inputs. The loop-through 1\/4-inch jack preserves the signal path for a stage amplifier, and the panel-mounted ground lift switch eliminates ground loop hum in virtually any venue or system configuration. Compact and durable enough for permanent rack-adjacent installs or daily gigging, this passive DI handles the workload without adding variables to the signal chain.\u003c\/p\u003e\u003cp\u003eCompared to active DI alternatives, the passive design of the DB Direct Box eliminates potential coloration from preamp stages and removes dependency on power sources — a meaningful advantage in fly-date touring scenarios or permanent installs where long-term reliability matters more than extended feature sets.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"DB-1","offer_id":52446361747640,"sku":"53719","price":74.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/53719_RAPHOR-DB-1_ALT01.jpg?v=1783628356"},{"product_id":"rapcohorizon-stl-1","title":"RapcoHorizon STL-1 Stereo Passive Direct Box Multi-Mode DI","description":"\u003cp\u003eThe RapcoHorizon STL-1 is a passive, multi-mode stereo direct box built for live sound engineers and installed audio technicians who need flexible signal conversion without adding power requirements to the signal chain. It targets scenarios where keyboard rigs, backing track playback systems, or stereo instrument sources must be fed into a console or snake efficiently and without noise or ground issues.\u003c\/p\u003e\u003cp\u003eIn stereo mode, the STL-1 operates as two independent passive DIs simultaneously, handling left and right channels through isolated transformer-balanced outputs. In mono mode, the unit combines two high-impedance unbalanced inputs into a single low-impedance balanced output — a practical solution when channel count on a snake is limited. Alternatively, the same two inputs can be summed and then split into two separate balanced mono outputs, giving engineers even more routing flexibility on the fly.\u003c\/p\u003e\u003cp\u003eTwo included input shunts suppress feedback at the source, and the panel-mounted switch array puts stereo\/mono selection plus dual ground lifts within easy reach during setup. With dual IMT-1 transformers providing the isolation and no battery or phantom power dependency, the STL-1 is a reliable workhorse for touring rigs, house of worship installs, and theater productions where passive signal integrity is a priority.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"Default Title","offer_id":52446677729464,"sku":"65355","price":161.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/65355_RAPHOR-STL-1_ALT01.jpg?v=1783628844"},{"product_id":"rapcohorizon-tdi-1","title":"RapcoHorizon TDI-1 Passive Stereo Tape Deck DI Box With XLR Output","description":"\u003cp\u003eThe RapcoHorizon TDI-1 is built for live production engineers and installed sound operators who regularly integrate consumer playback sources — tape decks, CD players, VCRs, and DVD players — into professional signal chains. It accepts stereo RCA inputs, runs them through an isolation transformer, and delivers a single low-impedance balanced XLR output compatible with any mixing console's mic preamp input, eliminating ground loops and hum introduced by unbalanced consumer gear.\u003c\/p\u003e\u003cp\u003eThe two independent volume potentiometers give the operator direct control over left and right channel levels before the signal hits the console. This is particularly useful for split-track backing track applications where the music and click or guide vocal must be managed separately at the source. The steel enclosure provides both physical durability on crowded stage floors and additional shielding against electromagnetic interference from nearby power transformers or lighting dimmers.\u003c\/p\u003e\u003cp\u003eAs a passive design, the TDI-1 draws no phantom power and requires no batteries or external supply, making it a reliable utility tool that can live permanently in a road case or installed rack without maintenance overhead. It suits worship production, corporate AV, touring theater, and any application where consumer-format playback must feed a professional console cleanly.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"Default Title","offer_id":52446679269560,"sku":"65588","price":163.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/65588_RAPHOR-TDI-1_ALT01.jpg?v=1783628947"},{"product_id":"rapcohorizon-tdiblox","title":"RapcoHorizon TDIBLOX Passive Tape Deck DI Box With Volume Control","description":"\u003cp\u003eThe RapcoHorizon TDIBLOX is built for front-of-house engineers and AV technicians who need to integrate consumer-grade playback sources — tape decks, CD players, or similar RCA-output devices — into a professional signal chain without additional power supplies or preamps. The passive transformer-based design converts unbalanced consumer-level RCA signals to a balanced XLR mic-level output, eliminating ground noise and signal mismatch that commonly occurs when bridging consumer and pro-audio environments.\u003c\/p\u003e\u003cp\u003eThe built-in potentiometer gives the operator direct volume control over the outgoing stereo signal, a practical advantage in installed AV environments, presentation systems, or live production settings where source levels vary and trim adjustments at the console are not always convenient. The RCA male inputs on a wired tail and the XLR male panel-mount output make connection and rack or surface integration straightforward with no adapters required.\u003c\/p\u003e\u003cp\u003eCompared to active DI solutions in this application, the TDIBLOX requires no phantom power or battery, reducing setup complexity and points of failure — an important consideration for fixed installs, houses of worship, conference rooms, and touring utility roles where reliability and simplicity are prioritized over high-headroom active gain stages.\u003c\/p\u003e","brand":"RapcoHorizon Int RHC Holding","offers":[{"title":"Default Title","offer_id":52446679302328,"sku":"65589","price":63.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/65589_RAPHOR-TDIBLOX_ALT01.jpg?v=1783628923"},{"product_id":"onstage-tmp-db500-609507","title":"On-Stage TMP-DB500 Passive DI Box","description":"\u003cp\u003eOur DB500 Passive DI Box converts any high-impedance 1\/4\" source to a low-impedance XLR signal ready to send via a long cable run to a mixer or PA system. Features include low-distortion passive circuitry that doesn't require power, a -20 dB or -40 dB pad switch to prevent clipping, a ground-lift switch to defeat ground-loop hum, and a throughput connector to pass unaltered signal to a stage amp. Its heavy-duty metal enclosure protects the internal components and ensures reliable performance.\u003c\/p\u003e","brand":"The Music People, A Division of JAM Industries USA","offers":[{"title":"Default Title","offer_id":52448873414840,"sku":"84113","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/DB500_bb10c6c9-b85b-4c2c-9f8f-661fa76b7ad3.jpg?v=1785871789"},{"product_id":"onstage-tmp-db2150-614439","title":"On-Stage TMP-DB2150 Passive USB DI Box","description":"\u003cp\u003eOur DB2150 Stereo USB DI Box converts digital audio to discrete stereo analog XLR signals ready to send via long cable runs to a mixer or PA system. For convenient plug-and-play use with laptops, when connected via USB, Windows and Mac computer operating systems automatically recognize this box as an available soundcard. Features include low-distortion passive circuitry, monitoring via a 3.5 mm headphone output, a ground-lift switch to eliminate ground-loop hum, transformer isolation switches for defeating channel-specific ground-loop hum, and a mono-sum switch to convert a stereo source to a mono output. Its heavy-duty metal enclosure protects the internal components and ensures reliable performance.\u003c\/p\u003e","brand":"The Music People, A Division of JAM Industries USA","offers":[{"title":"Default Title","offer_id":52448978305208,"sku":"86590","price":167.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/DB2150_946387cb-4c06-4c42-9f26-6ad1ac928b1b.jpg?v=1785871788"}],"url":"https:\/\/soundpro.com\/collections\/passive.oembed","provider":"SoundPro","version":"1.0","type":"link"}