David Clark H10-66 Aviation Headset

The David Clark Co. H10-66 is a unique dual impedance headset for use in civilian and military style aircraft. Noise Reduction Rating of 27 dB, FAA TSO Approved C57 Cat. B amp; C58a and Exceeds RTCA/DO-214 Standards. Features: New Comfort gel, undercut ear seals High/Low impedance select switch on dome matches headset to radio impedance Hinged wire boom with the M-101 amplified Dynamic microphone Noise Reduction Rating (NRR) of 27 dB 5-year Guarantee FAA TSO Approved C57 Cat. B and C58a Exceeds RTCA/DO-214 Standards Weight (without cord assembly): 22 oz