This hybrid amplifier receiver works as the core of your home audio system or can play the radio. The receiver also supports MP3 files, USB flashes, and SD cards. Adjust the echo, bass, treble, sub, and mic volume from a distance all with the remote control. Home theater amplifier receiver system. Connect external speakers and devices. Built in Bluetooth wirelessly stream music. MP3 digital audio file support. USB flash and SD memory card readers. 2 quarter inch microphone input. Left and right RCA audio input and output. Banana binding post speaker output jacks. Front panel button control center. Adjustable echo, bass, treble, sub, and mic volume. Includes a remote control and power cable. Bluetooth version 3.0 works with phones and tablets. Maximum power output: 300 watts. Frequency response: 40 15 kHz (+/ 2 dB). Signal to noise ratio: 76 dB. Input sensitivity: 400 mV aux, 6 mV mic. Radio station memory: 50 presets. Maximum USB/ SD card support size: Up to 32 GB. Digital media file support: MP3, WMA. Dimensions: 19 x 11.8 x 3.2 inches. Weight: 13.1 pounds.