DEH-S1200UB –Single DIN CD Receiver is a low-priced after-market receiver with an emphasis on sound quality. It offers Pioneer ARC app and USB Control for compatible Android™ devices. Use the USB input to play music files — even FLAC files — that you have loaded onto a thumb drive. Or connect your compatible Android™ phone to the USB to access your music files and enjoy basic control — like next track, play, and pause — from the receiver's controls. Plug in other devices to the aux input or slip in a favorite CD whenever you want. This receiver has a built-in MOSFET amplifier with 12 watts RMS/50 peak x 4 channels. It has rear 2-Channel preamp outputs which are switchable.