Xtreme Acoustics P1 Dual Channel in-Ear Headphone Amplifier with switchable Mono/Stereo Microphone

P1 from Xtreme Acoustics is a personal in-ear monitor headphone amplifier used on stage or in the studio, to provide performers and recording artists with a flexible, convenient personal monitoring solution. Intended for drummers and other performers, the unit features a high-power headphone output that helps to ensure that as the band gets louder, you'll still be able to hear your performance. The unit runs up to 12 hours on a 2 AAA battery (not included) or can be powered by the optional PSU-SB DC power supply (not included).