1HiFi 1CH: Compact and lightweight amplifier with sturdy aluminum housing, the latest for LP 269PRO amplifier chip provides efficient 1CH sound output with low distortion, low noise and high sound quality. 2FUNCTION CONFIGURATION: BT 0 amplifier, coaxial decoding, shocking high power, HIFI sound quality, treble and bass adjustment, USB and Storage Card playback, brushed texture, FM radio multiple functions. 3MULTI CONNECTION: Stereo power amp uses the latest BT 0 version, providing a large operating range of 30ft. It can be connected to your music streaming device using BT, RCA cable. Also supports USB, Storage Card port. 4DISTORTION FREE: SPDIF super premium transmission, this amplifier has a high capacity transformer to provide you with clear sound without any distortion. It has no more than 0.2 percent harmonic distortion, which helps to listen to clear music. 5WIDELY USED: This amplifier supports multi sound device connection, supports cell phones, TVs, computers and other sound devices with lossless sound quality output, perfect for home theater, audition rooms, HiFi, DIY and small offices.