David Clark's most popular model! The legendary H10-13.4 is David Clark’s lightest headset, and a great choice for pilots of all levels. It is backed by David Clark’s famous reputation for quality and service. You can count on the H10-13.4 for years of reliable service. Weighs just 16.5 oz. Super-soft, double-foam head pad Under-cut gel ear seals Volume control knob with detents Flexible boom mic M-7A amplified electret microphone NRR of 23dB Made in USA and TSO'd Proudly made in the USA, all David Clark headsets carry a five-year warranty and represent the finest in the industry. They also comply with FAA TSOs C57 Cat. B and C58a pertaining to headsets and microphones. More than 1,000,000 quality conscious pilots have chosen David Clark. Specifications 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, Double-Foam Headpad
