This Airman 8+ headset (EDMO# 8P-0211) is double-sided, with an XLR-5-12C connector, and has a 600Ω impedance. (*Pictured with a small headband pad). 

• Flexible boom-mounted microphone, positionable for right- or left-side use
• Light-weight, battery-free ANR with onboard fail-safe to ensure constant communication
• Soft leatherette ear cushions and headband pad
• Stainless steel headband and pivot points for superior durability
• FAA TSO-C139a approved

Weight:
6.77 oz with cord

Cord Length:
6ft ± 4in

Color:
Black/Stainless Steel

Connector:
5-pin Male XLR5

Headphone Type:
Dynamic

Headphone Impedance:
600Ω ±20% @ 1 kHz

Headphone Frequency Response:
(Per RTCA DO-214a)
<15dB max. to min. over the range of 315 to 3150Hz

Headphone Sensitivity:
(Per RTCA DO-214a)
92 ±5 dBSPL (normal)
98 ±5 dBSPL (high)

Microphone Element:
Noise-canceling amplified electret

Microphone Sensitivity:
(Per RTCA DO-214a)
-28dB ±3dB re 1V/Pa at 1kHz, 12V

Microphone Operating Voltage:
(Per RTCA DO-214a)
8-28 VDC (470 Ω load circuit)

ANR Power:
via XLR pin 5

Controls:
Active Noise Reduction On/Off Switch
Volume Normal/High Switch