Donner MAMP5 4 Channel Amplifier

4 Channel 1000W Peak PowerA professional integrated indoor stereo receiver is designed as an independent 4-channel output, and the maximum load power can reach 1000W.Bluetooth 5.0Bluetooth range up to 40Ft/ 10M. Please switch to Bluetooth mode first and the Bluetooth control distance is at an accessible distance.Input SelectorPlease select the correct Channel to ensure speaker operation. The remote control can adjust the volume of BT/MP3/USB/FM.Mic Volume & Echo AdjustmentMicrophone volume and Echo adjustment increase the fun of singing/ karaoke.