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David Clark H3442 Dual-Ear Ground Support Headset | 40583G-03
The David Clark H3442 is a heavy-duty, behind-the-head dual-ear headset built for use in high-noise ground support environments. Designed for use with helmets and hard hats, it provides clear communication and all-day comfort for ramp agents, tug drivers, and maintenance teams.
Dual-ear, behind-the-head design fits comfortably under helmets
M-7A electret noise-canceling microphone for clear communication
Hybrid flex-wire boom with 280° rotation for left or right mic positioning
Microphone on/off switch on ear cup for convenient control
Comfort-Gel ear seals and cushioned headband for long-duration use
6 ft coiled cord with standard 1/4" stereo plug (PJ-051)
23 dB passive Noise Reduction Rating (NRR) for hearing protection
Built for performance in demanding environments, the David Clark H3442 (Part No. 40583G-03) provides reliable communication and effective noise isolation during pushback, ramp operations, or equipment maintenance. The dual-ear design helps block background noise while allowing clear incoming audio from radios or intercoms.
The flexible mic boom allows precise positioning on either side, while the noise-canceling M-7A microphone ensures your voice is heard over ambient noise. A built-in mic switch gives the user control over when to transmit, enhancing operational efficiency. Comfort-Gel ear seals and a padded behind-the-head support band keep the headset secure and comfortable during extended use. With its 6 ft coiled cord and PJ-051 plug, it's compatible with most aviation intercom and ground radio systems.
Part Number: 40583G-03
Headset Style: Dual-ear, behind-the-head (BTH)
Microphone: M-7A electret, noise-canceling
Mic Boom: 280° adjustable hybrid flex-wire
Mic Control: On/off switch on ear cup
Cord: 6 ft coiled cord
Connector: 1/4" stereo plug (PJ-051)
Noise Reduction Rating: 23 dB
Comfort Features: Comfort-Gel ear seals, cushioned support band
Use Cases: Ground support, tug/pushback, ramp crew, aircraft maintenance
Used 7 on heavily oxidized Airstream. Sanded off oxidation. Presto changeo, an almost mirror-like finish. Will stick with Nuvite. Important to follow instructional video.
This is an amazing aid to my fisning. Something serious inland fishermen should have. My only regret is that I didn't have this over the last 20 years.
