PyleHome 7.1 channel 350 Watts Build-In AM/FM Radio /USB/SD card HDMI Amplifier Receiver. 7.1 Channel Amplifier. 4 HDMI Input Port and 1 HDMI Output Port for HDMI Receiver and HDMI Switcher. One Key Switch Function Between HDMI Receiver and HDMI Switcher. Built-In AM/FM Radio. Built-In USB and SD Audio. 2 MIC Input, Treble and Bass of MIC Adjustable, Independent MIC Volume Control. Over Current Protection, Short Circuit Protection And Over Voltage Protection. 12 Preset Radio Station. Full Remote Control. VFD Display. Power Output: 300W for L,R Channel (4 Ohm) 50W for Center, Surround L and Surround R(4 Ohm) ,side Surround L and side Surround R(4 Ohm). Inout Selector: 4 in 1 out HDMI Selector, 3 Stereo RCA Selector, 1AM/FM Radio, 1 USB/SD, 2 Microphone Input. Output: 7 Channel Speaker Output Terminal for L, R, Center, SL, SR,RR,RL And 1 line Out for Subwoofer.