The HMEC450 is a pilot's headset with closed ear protector headphones and NoiseGard™ active noise compensation for use in helicopters, propeller and turbo-prop aircraft.

• Constant attenuation of up to 40 dB throughout the entire audio range
• Superior speech intelligibility
• Electronics fully integrated into headphone capsules
• Can be used as conventional headphones when supply voltage is switched off.
• Noise-compensated boom microphone for superior speech transmission
• Includes BP04 battery pack
• Unbelievable 10-year warranty