Used, overall excellent condition.

FAA TSO Approval
The Airman 8 headset is fully FAA TSO C-139a compliant.

ARINC standards
The Airman 8 is fully compliant to ARINC (Aeronautical Radio, Incorporated) requirements.

Color: Black and stainless steel
Cord Length: 6 ft (1.8288 m) [ +/-4in (+/-10cm) ]
Ear Seals: Leatherette
FAA TSO Approvals: C-139a approved
Frequency Response: 350-3500 Hz (per RTCA DO-214a)
Impedance: 150-600 Ω Ω
Microphone Frequency Response: 100 – 10000 Hz (per RTCA DO-214a)
Microphone Sensitivity: -28 dBV/Pa
Microphone Type: Noise-canceling amplified electret
Power: via boom microphone connection or XLR pin 5
Power Requirements: requires boom microphone to be powered continuously or power from aircraft via XLR
Speaker Sensitivity: 92 +/- 5 dB SPL/mW (per RTCA DO-214a)
Type: Dynamic
Weight: 4.2 oz (119.07 g) (wearing weight)