500854 HMEC 46-1 E Headset, Aviation, ActiveGard, Without Cable, Sennheiser

Description:

500854 HMEC 46-1 E Headset, Aviation, ActiveGard, Without Cable, Sennheiser

The HME 46-1 is the most comfortable headset for crew members with active noise cancellation NoiseGard, which reduces the ambient noise level by about 15 dB. The headset is also equipped with ActiveGard, which protects crew members from the effects of acoustic blast. The noise canceling microphone provides excellent speech intelligibility.
Attention! The headset is supplied without a cable.

Light weight.
Extremely comfortable with soft ear cushions and dual auto-adjusting headbands.
NoiseGard active noise cancellation reduces ambient noise by about 15 dB.
ActiveGard protects hearing from acoustic explosions.
Hinged headphone cups; you can listen with one ear.
Flexible microphone holder, can be mounted on the left or right, easy to replace.
The noise canceling microphone ensures excellent speech intelligibility.
Easy to replace cable with one attachment point.
JTSO C57a & C58a approved, TSO-C139 approved.

Weight: about 150 g.
Converter type / principle: open / dynamic.
Ear pads: overhead.
Frequency Response Range: 12 - 14000 Hz.
Nominal impedance (active / pass.): 600 Ohm (mono); 1200 Ohm (stereo).
Maximum SPL: 93 dB SPL (at 1 kHz).
Active noise reduction: 15 dB (100 - 300 Hz).
Contact pressure: 3 N. Transducer type: electret with noise compensation element.
Frequency Response Range: 350 - 6000 Hz.
Output voltage: 17 - 100 mV / Pa
Minimum termination impedance: 150 Ohm.
Power supply: 8 - 16 V DC.