The rugged BPHS1-XF4 offers natural, highly intelligible stereo reproduction, featuring closed-back circumaural (around-the-ear) ear cups designed to provide maximum comfort and ambient noise rejection with minimal ear fatigue. The BPHS1-XF4 also has a professional boom-mounted moving coil dynamic microphone that can be positioned for use on either side of the mouth. The BPHS1-XF4's microphone has a unidirectional polar pattern tailored for pickup of speech with maximum voice intelligibility over a wide frequency range. A high-performance neodymium magnet in the microphone ensures a high output level and detailed sound reproduction. The headset's dual earphones offer an extended frequency response of 20Hz - 20kHz for smooth, natural sound reproduction. At the heart of each earpiece, a 40mm neodymium driver offers power handling ideal for high maximum sound pressure levels. Generously padded circumaural ear cups provide acoustic isolation and long-wearing comfort; the adjustable headband is also crafted and cushioned for listening comfort.
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