PH-100AH Helicopter Headset is very popular headset, at a very competitive price.

Have many benefits:

Soft foam head pad and undercut, comfort-half foam half gel ear seals

Flexible microphone boom that can be adjusted for perfect placement electret microphone

that is made to exceptional pull and flex standards Excellent noise attenuation with a 23 dB noise reduction and single U-174/U plug.

PH-100HC ANR Helicopter Headset reduces the unwanted ambient noise in the cockpit by using both Passive Noise Reduction (PNR) and Active Noise Reduction (ANR).use this technology, low frequency ambient noise is significantly reduced and important communication can be heard in a clear, crisp manner.

PH-100HC will continue to operate as a PNR headset should the ANR become inactive for any reason such as low or no battery power.