... 6V amplifier 5.amplifier 2*30W 2.4g portable wireless receiver amplifier,bluetooth amplifier,wireless amplifier Function/ Strong point1.Built ... is more than 1000pieces.3.The transmitter connect with receiver is less than 3seconds.Frequency Response 20Hz-20KHzFrequency ... 2×30Wchannel spacing5MHzpower supplyAC 220V±10%/50HzDimension0mmMORE PICTURES:the front panel PAYMENT:L/C,T/T,WESTERN UNION,ALIPAY ...