Sennheiser HMEC 460 Headphones User Manual


 
5
The HMEC 460 headset
The HMEC 460 is a pilot headset with closed ear protector headphones and NoiseGard
active noise compensation for use in helicopters, propeller and turboprop aircraft.
The headset has the following features:
y Flexible microphone boom with quick-fixing device
y Lightweight
y Comfortable leatherette earpads (replaceable)
y Padded headband
y Headband padding can be buttoned
y Single-sided connecting cable
y Folding mechanism for space-saving transport
y Stylish silver design
y Good attenuation of ambient noise due to NoiseGard active noise compensation
y Clear communications even in the noisiest environment due to NoiseGard active noise
compensation and MKE 45-1 pre-polarized condenser microphone with adjustable
sensitivity
y Increased speech intelligibility due to a frequency response optimized in the 500 Hz
to 5 kHz region