Amplifier: Class D
Output Power: 90W RMS
Driver Unit: 8''X1+1''X1 horn tweeter
Function: USB/SD/ Bluetooh/ FM Radio/ RCA input/RCA output, XLR and 1/4'' input for MIC *2, Mic volume control *2/ ECHO/ 5 band EQ/ Master volume/ Bass control/ Treble control/ Remote control/ Wireless Microphone, DC12V 4.5Ah battery built in.