David Clark Dual Impedance Aviation Headset

The H10-66 is a versatile aviation headset designed for use in both civilian and military aircraft. With its dual impedance capability, it seamlessly adapts to various communication systems, ensuring clear audio and reliable performance. Engineered for high-noise environments, the H10-66 offers exceptional noise reduction and comfort, making it ideal for pilots and crew during extended operations.

FEATURES
• Dual Impedance Select Switch: Allows easy switching between high and low impedance to match radio systems
• Noise-Canceling Microphone: Equipped with the M-101 amplified dynamic microphone for clear communication in noisy settings
• Comfort Gel Ear Seals: Larger, undercut ear seals provide superior comfort during long flights
• Hinged Wire Boom: Ensures precise microphone placement for optimal audio clarity
• Durable Construction: Built with rugged materials to withstand demanding aviation environments
• Coiled Cord: Extends up to 5 feet and terminates in a U-174/U plug for secure connections
• FAA TSO Approved: Meets C57 Cat. B and C58a standards, exceeding RTCA/DO-214 requirements
• Five-Year Warranty: Backed by a comprehensive warranty for peace of mind
• Made in the USA: Crafted with precision and quality

BENEFITS
• Enhanced Communication Clarity: Reduces background noise, ensuring effective communication in high-noise environments
• Versatile Compatibility: Works seamlessly with both civilian and military aircraft systems
• Comfortable for Extended Use: Ergonomic design minimizes fatigue during long-duration flights
• Reliable Performance: Durable construction ensures long-term use in demanding conditions
• Safety Assurance: Provides effective noise reduction, protecting hearing in noisy cockpits

SPECIFICATIONS
• Noise Reduction Rating (NRR): 27 dB
• Microphone: M-101 amplified dynamic
• Microphone Sensitivity: 400mV ± 6 dB into 150Ω load @ 1 kHz for 114 dB SPL input
• Microphone Frequency Response: 300 Hz – 3,000 Hz
• Microphone Impedance: 5Ω ± 20%
• Earphone Impedance: 150Ω (300Ω each, wired in parallel)
• Earphone Sensitivity: 90 dB SPL/1mW @ 1 kHz
• Earphone Frequency Response: 200 Hz – 5,500 Hz
• Cord Length: 5-foot coiled cord terminating in U-174/U plug
• Weight (without cord): 22 oz
• Dome Type: Hybrid ABS
• Hardware: Carbon steel with chrome finish