1, Output: 40W+15W*2(RMS) 2,Fuctions:USB SD,FM ,REMOTE,Karaoke ; 3,Speaker:8"+3"* ... " Subwoofer USB SD FM LED Display Specification1.Voltage:~220-240V 2.Watts:40W+15W*23.Functions: USB,SD,FM,Full function remote4 ... colorful indicatorMain Technical Dataspower supply : ~220-240V 50Hz/60Hzamplifier output : 40W+15W*2input sensitivity : 350mVS/N : >=85dBseparation : >=45dBfrequency response : 40Hz- ...