2.4G Digital Wireless Surround sound tube Amplifier,power amplifier,receiver,hi-fi,stereo sound,home theater system,cordless Power consumption:67W;Output ... : 20Hz ~ 20KHz ± 2dB; Composation:1 x Digital wireless tube amplifier(receiver);1 x Digital wireless audio transmitter SOYO-WT24G02;1 ... x audio cable. Operate:The music source and the amplifier is wireless.Connect the DVD,MP3,and other music ...