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Lectrosonics DHu Digital Wideband Handheld Wireless Transmitter

Lectrosonics DHu Digital Wideband Handheld Wireless Transmitter

SoundPro Item: 42505 | Part Number: DHu

Regular price $1,915.00
Regular price $2,126.00 Sale price $1,915.00
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MSRP: $2,126.00 | MAP: $1,915.00

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  • Fourth-Generation Digital Circuitry Extends Battery Runtime Without Sacrificing Audio Quality
  • AES 256-CTR Encryption Secures Audio For Broadcast And High-Security Productions
  • Interchangeable Thread-On Capsule Interface Supports Multiple Third-Party Capsule Brands
  • Selectable RF Output Power Balances Range And Battery Life For Each Venue
  • DSP-Controlled Dual Envelope Limiter Protects Against Clipping On Loud Sources
  • Adjustable Low-Frequency Roll-Off Tailors Proximity Effect For Different Applications
  • Programmable External Button Configures As Mute, Cough, Push-To-Talk, Or Power Control
  • Concealed Control Panel With IR Port Enables Fast Receiver-To-Transmitter Setup

The Lectrosonics DHu is a professional UHF handheld wireless transmitter built for engineers and production teams who need secure, high-fidelity wireless audio without compromise. Designed around a fourth-generation digital architecture, it targets demanding applications including live performance, broadcast, AV rental, and houses of worship where audio integrity and operational flexibility are non-negotiable.

Where analog transmitters introduce companding artifacts and where lesser digital designs sacrifice battery runtime, the DHu uses high-efficiency digital circuitry to extend operating time on two AA batteries while delivering 24-bit/48 kHz conversion with a DSP-controlled dual envelope limiter. AES 256-CTR encryption addresses security-critical environments such as broadcast and corporate AV without adding operational complexity. Two selectable RF output power levels let operators balance range against battery life based on venue size and RF conditions across the UHF band.

Capsule flexibility is a core differentiator. The 1.25-inch, 28-thread-pitch interface accepts Lectrosonics capsules as well as compatible heads from Shure, EV, Heil Sound, Earthworks, DPA, Telefunken, and others with an adapter, giving engineers continuity with preferred capsule choices across different transmitter platforms. A concealed control panel with membrane switches and a 2-way IR port enables fast receiver-to-transmitter setup, and a programmable external button can be configured for mute, cough, push-to-talk, talkback, or power functions to match specific workflow requirements.

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Specifications

RF Performance
Frequency Range (DHu)
470.100 - 607.950 MHz
Frequency Range (DHu/E01)
470.100 - 614.375 MHz
Frequency Range (DHu/E01-B1C1)
537.600 - 691.175 MHz
Frequency Selection Steps
Selectable; 100 kHz or 25 kHz
RF Power Output
Selectable; 25 or 50 mW
Frequency Stability
± 0.002%
Digital Modulation
8PSK
Spurious Radiation (DHu)
Compliant ETSI EN 300 422-1 v1.4.2
Spurious Radiation (DHu/E01 and E01-B1C1)
Compliant ETSI EN 300 422-1 v.2.1.2
Emission Designator
170KG7E
Audio
Digital Conversion
24 bit/48 kHz
Frequency Response
40 Hz to 20 kHz (+/- 1 dB)
Input Compressor
Dual envelope compressor, >30 dB range
Gain Control Range
45 dB; semi-log menu-driven control; 1 dB steps
Low Frequency Roll-Off
-3 dB @ 35, 50 and 70 Hz; selectable; 36 dB/octave
Modulation Indicators
Dual bicolor LEDs indicate modulation at -20, -10, 0 and +10 dB; LCD bar-graph indicator
Capsule Interface
Thread Standard
1.25" opening and 28 thread pitch
Power Available
5V, 25 mA max
Input Impedance
1000 Ohms
Power
Battery Type
2x AA with polarity protection and battery ejector
Battery Life at 50 mW (Energizer Lithium AA)
8 hours
Battery Life at 50 mW (Duracell Alkaline AA)
3 hours
Controls
External Control
Programmable mute/talkback button
Panel Controls
Power, mute disable, menu/select, up/down, and back arrow buttons
Environmental
Operating Temperature Range
-20° C to +50° C (-5° F to +122° F)
Dimensions and Weight
Length
9.5"
Diameter (Largest Point)
1.97"
Weight (With Batteries and HHC Capsule)
12.1 oz
Included Items
Zippered Pouch
1x CCHH zippered pouch
Mic Clip
1x 13585 mic clip
Anti-Roll Sleeve
1x P1298 anti-roll sleeve
Batteries
2x AA batteries

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