The Technical Pro RX55URIBT Professional Receiver is able to push a total peak power of 1500 watts. This is professional power. In addition to the FM manual tuner there are inputs for 2 RCA, USB flash drive, SD Card and AUX (1/8") connections. Connect such sources as a CD player, DVD player audio, mixer or other stereo audio devices. The USB flash drive and SD Card can handle a maximum size of 32 GB & play your .mp3, .wav & .wma files from your USB flash drive or SD Card through this receiver. Playback features for the USB flash drive / SD Card inputs include play, repeat and random playback. Forgot your USB flash drive at home? Want to play audio files from your phone while keeping it safe in your pocket? No problem. The RX55UriBT"s Bluetooth compatibility allows for wireless connection to any A2DP stereo Bluetooth device. That means you can play audio files from your phone, laptop or any other Bluetooth enabled device within a 30 foot range. The RX55UriBT gives you the freedom to stream music wirelessly from any Bluetooth enabled device. And you know the engineers at Technical Pro did not stop there. The USB flash drive and SD Card inputs can also capable of recording onto a USB flash drive or SD Card with empty space on it. That means you can record from the microphones, tuner or either RCA inputs directly onto the USB flash drive / SD Card. There are Dual 1/4" microphone inputs with volume, echo and tone controls. The outputs consist of banana bind