BOSE HEADSETS A20 U174 PLUG

The Bose A20 Headset with a U174 helicopter plug equipped with an adjustable powered microphone which can be connected to the earcups for optimal communications. This specific model is engineered for increased noise reduction and clear audio with active equalization. Featuring a customizable audio prioritization control with “mute” and “mix” settings, along with flexible power circuitry and an auto-on that switches to and from battery power and aircraft power. The smart shut off also helps provide at least 45 hours of use.