Sennheiser HMDC 322 helicopter headset
Sennheisers HMDC 322 helicopter headset is a pilots headset with closed ear protector headphones and NoiseGard active noise compensation for use in helicopters.
Features
- Constant attenuation of up to 40 dB throughout the entire audio range
- Advanced transducer design ensures excellent speech intelligibility
- Electronics fully integrated into headphone capsules
- Can be used as conventional headphones when supply voltage is switched off