Great sound was never this compact before. Enjoy pristine audio in any room or as part of your whole-home audio system with this 40-watt Wall Mount Music Amplifier from Monoprice. The sleek decora finish provides a minimalist look, so your sound is heard and not seen. All cables and connections are securely hidden within the walls out of sight with no tripping hazards. Enjoy your favorite music from a plethora of sources like Bluetooth 2. 1, USB, microSD card, FM radio, and line level AUX. The supported digital formats include wav, mp3, wva, ape, flac, aac, aiff, and wma. Your audio is delivered clean and refined thanks to the system's ultra-low Total Harmonic Distortion (? 0. 03 percent 1W@1kHz). All system controls are at your fingertips with the on-face control buttons or with the included wireless IR remote control.