{"title":"Compressors and Expanders","description":null,"products":[{"product_id":"dbx-dbxafs2-v","title":"dbx AFS2 2-Channel Advanced Feedback Suppression Processor","description":"\u003cp\u003eThe AFS2 Advanced Feedback Suppression processor has been completely re-designed to take the foundation of the best selling AFS224 and bring it to the next level. The AFS2 now offers the highly-intuitive Wizard function that takes all of the guesswork out of setting up any room. The AFS2 also incorporates a completely re-designed Advanced Feeback Supression module. Best of all, the AFS2 now provides the user with a full LCD display setup and monitoring.\u003c\/p\u003e \u003cp\u003eWith its powerful DSP module, the AFS2 provides all the processing and control necessary for both installation and live use. Ten and twelve filter feedback elimination processors are the de facto standard, but the AFS2 offers a dedicated feedback suppression processor that offers up to 24 filters per channel with filter Qs up to 1\/80 of an octave. To achieve these staggering numbers dbx utilized their improved AFS technology that had previously only been available in the upper echelon line of products and made it available in this stand-alone processor. In addition to the plethora of feedback suppression filters available, the AFS2 also offers selectable modes, live filter lift, and types of filtration, which are all readily available via the intuitive user interface front panel. With all of these state-of-the-art features in place, not only do you hear no evil, but you will now be able to see no evil.\u003c\/p\u003e ","brand":"Harman Professional, Inc.","offers":[{"title":"Default Title","offer_id":51124385972408,"sku":"13363","price":485.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/13363_dbx-AFS2-2-Channel-Advanced-Feedback-Suppression-Processor.jpg?v=1767901779"},{"product_id":"dbx-dbx266xsv","title":"dbx 266xs Dual Compressor\/Limiter\/Gate","description":"\u003cp\u003eBring a more professional sound to your mix! Adding a dbx 266xs Compressor\/Limiter\/Gate to your live sound rig or studio gives you more dynamic control to help create a more polished, professional sound. Having compression in your audio chain gives you the ability to smooth out uneven levels, add sustain to guitars and fatten up your drums. It also makes it easy to bring vocals to the front of your mix - adding greater clarity and making them stand out from the surrounding instruments.\u003c\/p\u003e \u003cp\u003edbx knows compressors...after all they invented them! The 266xs is the latest in a long line of the world's most successful compressors from the inventors of the technology. Its patented Overeasy® compression technology provides smooth and musical performance while the AutoDynamic attack and release controls, found only on dbx compressors, puts great sound within easy reach. The 266xs can operate in stereo or dual-mono modes, has true RMS power summing and features quality XLR and 1\/4\" TRS inputs and outputs. It cuts no corners on visual feedback with gain reduction metering and easy-to-read backlit switches.\u003c\/p\u003e ","brand":"Harman Professional, Inc.","offers":[{"title":"Default Title","offer_id":51124617511096,"sku":"46279","price":259.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/46279_dbx-266xs-Dual-Compressor-Limiter-Gate.jpg?v=1768003012"},{"product_id":"warm-audio-329660","title":"Warm Audio BUS-COMP 2-Channel Stereo VCA Bus Compressor","description":"\u003cp\u003eThe Warm Audio BUS-COMP is an all-analog, 2 channel, stereo VCA bus compressor based on classic circuitry that has provided silky smooth tone for decades. Stereo VCA bus compressors are masterful at controlling dynamics on many sources, but they have become widely known for their magic touch on stereo mixes.\u003c\/p\u003e \u003cp\u003eThe BUS-COMP will perform well on stereo mixes, drum mixes, drum overheads, acoustic guitars, keyboards, piano, orchestral instruments, voice-overs and an array of other sources. The BUS-COMP is primarily designed for stereo use, but it can be used just as successfully on individual mono sources. VCA bus compressors of this type have become widely loved for their ability to control dynamics effortlessly but also for the added tone and depth they provide to the audio signal that passes through them, even when no compression is applied.\u003c\/p\u003e ","brand":"Hal Leonard Corp.","offers":[{"title":"Default Title","offer_id":51438144127160,"sku":"100811","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/100811_Warm-Audio-BUS-COMP-2-Channel-Stereo-VCA-Bus-Compressor.jpg?v=1768856680"},{"product_id":"art-scl2-stereo-compressor-limiter-gate-expander","title":"ART SCL2 Stereo Compressor\/Limiter\/Gate\/Expander","description":"\u003cp\u003eThe SCL2 is a highly sophisticated and flexible dynamics processor designed for easy operation and great tone. The unit can be adjusted to provide anything from smooth subtle compression to hard limiting. Noise reduction is provided by a fast solid gate or a subtle expander.\u003c\/p\u003e \u003cp\u003eThe Attack and Release functions allow the user to set the general operating range and then automatically adapt to the audio being processed. A full auto mode is also available. The ultra-precise LED meters while two LED meters clearly display the gain reduction for each channel.\u003c\/p\u003e ","brand":"Yorkville Sound","offers":[{"title":"Default Title","offer_id":51445022195896,"sku":"113457","price":199.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/113457_ART-SCL2-Stereo-Compressor-Limiter-Gate-Expander.jpg?v=1768862156"},{"product_id":"q-sys-qio-flex4a","title":"Q-SYS QIO-FLEX4A Modular Network I\/O Expander for Q-SYS","description":"\u003cp\u003eThe Q-SYS QIO-FLEX4A is purpose-built for systems integrators deploying scalable installed audio networks on the Q-SYS platform. Where centralized I\/O creates long analog cable runs, the QIO-FLEX4A moves mic\/line connectivity, amplification, and control interfacing to the point of need, whether that is a huddle room, a hospitality suite, a classroom, or a corporate boardroom. Four software-configurable FLEX I\/O channels handle mic or line sources without swapping hardware, and two onboard amplifier outputs eliminate the cost and space of a dedicated external amplifier for low-wattage reinforcement applications.\u003c\/p\u003e\u003cp\u003eFor integrators managing multi-room rollouts under cabling constraints, the QIO-FLEX4A offers practical infrastructure savings. Up to four units daisy-chain on a single network drop, and up to two units can share a daisy-chained DC power feed, reducing conduit requirements significantly. PoE+ operation from an IEEE 802.3at Type 2 source keeps power infrastructure simple. A 4x8 GPIO block and RS232 port connect directly to room controllers, lighting systems, and legacy serial devices without additional hardware, keeping the signal chain consolidated in a single half-rack-width enclosure.\u003c\/p\u003e\u003cp\u003eUnlike generic audio expanders that require separate control gateways, the QIO-FLEX4A is managed natively inside Q-SYS Designer Software and Q-SYS Reflect, maintaining commissioning consistency across an entire Q-SYS deployment. Surface mounting hardware ships in the box, and optional rack-mount and power supply accessories cover installations where those formats are required. This device addresses the last-meter problem in distributed AV installs without adding complexity to the system design.\u003c\/p\u003e","brand":"QSC, LLC","offers":[{"title":"Default Title","offer_id":52227066855608,"sku":"145113","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/145113_QSYS-QIO-FLEX4A_ALT01sqr.jpg?v=1784838181"},{"product_id":"q-sys-qio-lvr4","title":"Q-SYS QIO-LVR4 Low-Voltage Relay Network I\/O Expander","description":"\u003cp\u003eThe QIO-LVR4 is designed for AV integrators and system designers who need to bridge Q-SYS networked control environments with legacy or non-networked control hardware. By providing four dry contact closure relay circuits over a Gigabit Q-LAN connection, it allows installed systems to trigger external devices such as room dividers, lighting controllers, projector screens, and door interlocks without requiring those devices to have native network connectivity.\u003c\/p\u003e\u003cp\u003eIts modular I\/O architecture keeps local wiring separate from core processing hardware, which simplifies physical installation and supports phased or scalable deployments in corporate AV, higher education, hospitality, and house-of-worship environments. PoE operation reduces cabling complexity by consolidating power and data onto a single Ethernet run, while Ethernet thru ports allow multiple units to be daisy-chained without additional network infrastructure. DC power daisy-chaining provides an alternative power path when PoE is not available.\u003c\/p\u003e\u003cp\u003eSetup is handled entirely within Q-SYS Designer Software v9.12, using a drag-and-drop workflow that reduces commissioning time compared to proprietary relay expanders that require separate configuration utilities. Surface and wall mounting hardware is included, and an optional rack kit accommodates half-rack, 1RU panel installations where needed.\u003c\/p\u003e","brand":"QSC, LLC","offers":[{"title":"Default Title","offer_id":52248827166904,"sku":"145114","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/145114_Q-SYS-QIO-LVR4-Low-Voltage-Relay-Network-I_O-Expander_ALT1sqr.jpg?v=1773852152"},{"product_id":"atlasied-tsd-alc2","title":"AtlasIED TSD-ALC2 2-Channel Auto Audio Level Controller Limiter","description":"\u003cp\u003eThe AtlasIED TSD-ALC2 is a two-channel automatic audio level controller and limiter designed for AV integrators and system designers who need reliable source-level management in permanent installations. It is purpose-built for venues where unattended playback from satellite receivers, streaming devices, or MP3 players creates unpredictable volume spikes — including retail stores, restaurants, sports bars, hotels, and event centers. By inserting the TSD-ALC2 inline with source outputs, operators can set a hard maximum level that prevents audience disruption during loud commercial breaks or abrupt input switching.\u003c\/p\u003e\u003cp\u003eThe unit pairs directly with Atlas Strategy Series Mixer Amplifiers, and when combined with an AA-YSUM input cable, enables passive stereo combining with level control at each source input — a clean, low-part-count solution for multi-source distributed audio systems. Front-panel controls for threshold, ramp speed, and output gain are each protected by removable security covers, preventing unauthorized adjustment after commissioning. Four onboard LED indicators — green input, red input peak, yellow ALC active, and blue power — give installers immediate visual confirmation of operating status without requiring external metering.\u003c\/p\u003e\u003cp\u003eEfficiency is a core design priority: at only 1.4 watts of power consumption, multiple TSD-ALC2 units can share a single 24V DC power supply (sold separately), reducing rack hardware and simplifying power distribution in multi-zone installs. AtlasIED's TSD Power Calculator is recommended for determining the correct supply when deploying multiple units. A 36-month warranty supports its use in long-term commercial installations.\u003c\/p\u003e","brand":"Atlas Sound, L.P. - Mitek","offers":[{"title":"Default Title","offer_id":52445849911480,"sku":"20000","price":336.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/20000_ATLAS-TSD-ALC2_ALT01sqr.jpg?v=1783457096"},{"product_id":"warm-audio-wa76-d2","title":"Warm Audio WA76-D2 Dual-Channel Discrete FET Compressor\/Limiter","description":"\u003cp\u003eThe Warm Audio WA76-D2 is a dual-channel, all-analog discrete FET compressor\/limiter that faithfully recreates the classic vintage \"Rev D\" 76-style studio compressor, featuring custom CineMag input and output transformers for authentic low-noise analog tone.\u003c\/p\u003e\u003cp\u003eIt combines all traditional 76-style controls with modern enhancements including dry\/wet mix for parallel compression, variable sidechain high-pass filter, selectable input impedance, active and true bypass modes, and three 2-channel operating modes for stereo or dual-mono use.\u003c\/p\u003e","brand":"Hal Leonard Corp.","offers":[{"title":"Default Title","offer_id":52451744874680,"sku":"152129","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/7382\/4696\/files\/brand_logo_Warm-Audio_d4522e75-32da-46e3-aeb6-9d0a21024b49.jpg?v=1783022699"}],"url":"https:\/\/soundpro.com\/collections\/compressors-and-expanders.oembed","provider":"SoundPro","version":"1.0","type":"link"}