Donner Bluetooth 5.0 Stereo Audio Amplifier Receiver, 4 Channel, 440W Peak Power Home Theater Stereo Receiver USB, SD,FM, 2 Mic in Echo, RCA, LED, Speaker Selector for Studio, Home-MAMP5

• High-power independent control: Its peak power can set of to 440W（110W x 4）,and has four channels which is independently controlled.440W is enough to support 4 groups of 8 speakers with 4-8 ohms and peak power within 50W.
• Bluetooth 5.0: The integrated hybrid amplifier is equipped with the new updated 5.0 bluetooth.It will increase the stability, sound quality and use distance.It Works with latest devices including smartphone, tablet, laptop, computer, etc.
• Multiple input modes: In addition to the Bluetooth function, the amplifer can also be connected to SD card, USB disk, RCA input and ECHO microphone input.And supports treble and bass adjustment and microphone volume control
• FM function: With automatic search function, you can save up to 50 radio stations. Detailed operating instructions can be found in the manual or contact our customer staff.
• 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. [Notice] The product needs to be connected to passive speakers to play audio. When there is no speaker connected, there will be a certain amount of wind noise, which is normal