Shure BRH440M Headset 100121386 The system provides up to

The system provides up to 14 hours of continuous use with four AA batteries

And the AIR10 is easy to transport

Using the same one-inch dual diaphragm capsule as the C414 XLS

Channel Separation: >85dB

The rugged all-wood cabinet with scratch-resistant polyurea coating makes it durable

Shure BRH440M Headset 100121386 The system provides up toShure BRH440M Dual Sided Intercom Headset Dual sided broadcast headset delivers natural, highly intelligible vocal. Features include deactivation of microphone when not in use, a closed back, circumaural design, an adjustable, comfortable headband, and a 270 degree positioning range. Features: Closed back, circumaural design provides superior isolation from background noise Dynamic microphone delivers natural, highly intelligible vocal reproduction