【High-power Independent Control】The peak power of Donner Bluetooth Stereo Audio Amplifier Receiver can set up to 440W(110W x 4), and has 4 CHANNELS which is independently controlled. 440W is enough to support 4 groups of 8 speakers with 4-8 ohms. Perfect for home theater, karaoke party. 【Multiple Input Modes】In addition to the Bluetooth function, the amplifier can also be connected to SD card (Maximum 16G), USB disk (Maximum 32G), 3.5mm AUX IN, FM radio, 2 pairs RCA audio inputs for CD/DVD and 2 1/4 inch(6.35mm) microphone inputs. 【EQ Controls】The improved professional compact & powerful amp system features crisp, responsive buttons for mode controls & power ON/OFF switch. Equipped with rotary knob controls for microphone volume, bass, treble and music volume. (Note: Remote control can ONLY remotely control the volume of BT/MP3/FM.) 【Bluetooth 5.0】The integrated hybrid amplifier is equipped with with Bluetooth music streaming with a wireless range of 40 feet / 10 meters or more. It will increase the stability, sound quality and use distance. It works with latest devices including smartphone, tablet, laptop, computer, etc. 【HD Screen】The integrated receiver for home stereo has a built in LED display. FM Antenna and Remote Control are included in the stereo amplifier package for distant audio adjustments. (Note: Turning off the amplifier via the remote does not cut off the power supply. Please disconnect the power supply via the on/off button on the machine after using to avoid humming noise)