David Clark H10-66XL Noise Cancelling Military Headset (40614G-05)

David Clark H10-66XL Noise Cancelling Military Headset (40614G-05)

The David Clark H10-66XL (40614G-05) is a rugged military aviation headset featuring Electronic Noise Cancelling (ENC) performance and a dual impedance selector for maximum compatibility. Built for demanding cockpit environments, it delivers clear communications with dependable comfort for long-duty operations.

• Electronic Noise Cancelling (ENC) technology helps reduce cockpit and rotor noise
• Dual impedance switch supports both military and civilian communication systems
• U-174/U single plug connection commonly used in helicopter and military applications
• Noise-cancelling dynamic microphone enhances clarity for mission-critical comms
• Battery-powered ENC module using one 9V battery for extended runtime
• Fail-safe operation maintains communications even if ENC power is lost

The David Clark H10-66XL Noise Cancelling Military Headset is engineered for aviation professionals who require reliable performance in high-noise operational environments. Its ENC technology enhances speech intelligibility by reducing background noise while the durable construction is built to handle demanding daily use. A key advantage of the H10-66XL is its dual impedance selector, allowing operators to switch between high and low impedance systems—ideal for mixed fleets and varying aircraft communication standards. The U-174/U plug interface is widely used in military and helicopter systems, and the noise-cancelling dynamic microphone helps keep transmissions clear and consistent. Designed for long missions, this headset provides the comfort and stability needed for extended wear and dependable communications.

Technical Specifications

• Model: H10-66XL
• Part Number: 40614G-05
• Headset Type: Passive noise-attenuating with Electronic Noise Cancelling (ENC)
• Impedance: Dual impedance with Hi/Low select switch
• Connector Type: U-174/U single plug
• Microphone: Dynamic noise-cancelling
• Cord: 5 ft coil cord
• Power: Portable ENC battery module (one 9V battery)
• Battery Runtime: Up to approximately 25 hours (typical)
• Fail-Safe: Communications continue even without ENC power
• NSN: 5965-01-519-6398
• Weight (Headset Only): Approx. 24 oz
• Warranty: 1-year manufacturer limited warranty
• Condition: New