David Clark Helicopter Aviation Headset H10-56

The H10-56 is a helicopter aviation headset, designed for professional pilots seeking superior noise reduction and clear communication in demanding flight environments. FEATURES • M-101 amplified dynamic noise-canceling microphone • Super-soft head pad for comfort • Larger, yet lighter, undercut Comfort Gel ear seals • Certified Noise Reduction Rating – 27 dB BENEFITS • Provides clear and crisp communication in demanding environments • Ensures rugged reliability for aviation applications • Enhances comfort for long-duration use SPECIFICATIONS • Part number: H10-56 • Country of Origin: United States • Weight: ~20 oz (567 g) • Earphone Impedance: 150Ω (300Ω each; wired in parallel) • Earphone Sensitivity: 90 dB SPL @ 1mW input @1KHz • Microphone Impedance: 150Ω nominal • Microphone Sensitivity: 400mV ±6dB into 150Ω load @ 1kHz for 114 dB SPL input