500849 HMD 46-3 Wired Headset, Aviation, ActiveGard, Without Cable, Sennheiser

Description:

500849 HMD 46-3 Wired Headset, Aviation, ActiveGard, Without Cable, Sennheiser

ATC headset with dynamic microphone. Can be operated in 2-channel mode. Open headphone design. Superb wearing comfort due to patended two-piece automatic headband and soft ear pads.

The HMD 46 series is a very lightweight and comfortable open boomset for controller. It is ideal for air traffic control. The headset is equipped with ActiveGard TM (not including HMD 46-31), which protects controllers from the effects of an acoustic burst.

Extemely light weight
Superb wearing comfort due to patended two-piece automatic headband and soft ear pads
Flip-away headphone allows single-sided listening
Flexible microphone boom, can be worn on either left or right-hand side
Noise-compensated dynamic microphone ensures excellent speech transmission
Single-sided cable, length 1.85 m, easy to exchange
Also available with PTT
ActiveGard safeguards the user from the effects of an acoustic burst

Without cable.
Weight: 150g.
Headphones:
Impedance: 300 Ohm.
Frequency Response Range: 20 - 14000.
Sound pressure specifications: 98 dB (1 kHz, 1 mW).
Total Harmonic Distortion (THD): less than 1%.
Contact pressure: 3 N.
Ear pads type: on-ear.
Conversion principle, acoustic type: dynamic, open.

Microphone:
Impedance: 200 Ohm.
Microphone frequency range: 100 - 12000.
Conversion principle, acoustic type: dynamic with noise compensation element.
Microphone pickup pattern: cardioid.
Sensitivity in no-load free field (1 kHz): 0.5 mV / Pa.