David Clark Passive Noise-Attenuating Aviation Headset

The H10-21 is a passive noise-attenuating aviation headset designed for pilots seeking comfort and reliable communication. It combines advanced noise-canceling technology with ergonomic features to enhance the flying experience.

FEATURES
• Super-soft head pad for extended comfort during long flights
• Larger, lightweight undercut Comfort-Gel ear seals for maximum comfort
• Adjustable flex boom assembly for precise microphone placement
• M-7A advanced noise-canceling microphone for clear communication
• Low-profile volume control knob with detent settings for easy adjustments
• Certified noise reduction rating of 24 dB for effective sound attenuation
• Durable steel hardware and ABS dome for long-term reliability

BENEFITS
• Provides effective noise attenuation for clear communication in high-noise environments
• Comfortable for extended wear due to ergonomic design and advanced padding
• Reliable performance backed by FAA TSO-C57B and C58A approval
• Made in the USA with a five-year warranty for added peace of mind

SPECIFICATIONS
• Noise Reduction Rating (NRR): 24 dB
• Weight: 19 oz (without cord assembly)
• Cord Length: 5 ft extended coil cord
• Plug Type: PJ-055 (.25 phone plug) and PJ-068 (.206 phone plug)
• Frequency Response: 200–5500 Hz (Earphone), 300 Hz–3.5 kHz (Mic)
• Impedance: 150 Ohm (Earphone), 50 Ohm (Mic)