David Clark H10-20
Super Soft Head Pad
New Comfort gel, undercut ear seals
Flex boom assembly can be adjusted for perfect microphone placement
M-7A, the most advanced noise-cancelling microphone available.
Superior noise attenuation (NRR 24dB)
Low-profile volume control knob with detent settings
5-year Guarantee
FAA TSO Approved C57 Cat. B and C58a
Exceeds RTCA/DO-214 Standards
Weight (without cord assembly): 19 oz.
Special Features:
Passive
General Aviation
FAA TSO Approved C57 Cat. B and C58a
Impedance: Standard NRR: 24dB
--------------------------------------------------------------------------------
Earphone Type: Dynamic Noise-Canceling Mic: M-7A Amplified Electret
Earphone Impedance: 150 ohms(300 each; wired in parallel) Mic Impedance: 50 ohms +/- 20%
Earphone Sensitivity: 90 dB SPL on flat plate coupler, re 1mW input @ 1KHz Mic Sensitivity: 400mV RMS ±6dB into 150 ohm load @ 1kHz for 114dB SPL input
Earphone Frequency Response: 200-5,500 Hz Mic Freq Response: 300Hz--3.5KHz per RTCA DO 214
Earphone Plug: PJ-055 (.25" phone plug) Mic Plug: PJ-068 (.206" phone plug)
Boom Type: Universal Flex Cord: 5 ft.Straight
Headpad/Hardware: Super-Soft Headpad Weight/Headset Only: 19 oz.
