Professional Powerd Mixer With MP3,USB,SD Professional Powerd Mixer With MP3,USB,SD AND EQModel:JPM408L MP3.USB.SD.FROAD-1Specification: *Player,MP3,USB,SD integrated*Total out power:8Ω 90W 4Ω 180W *Input:4 Microphone *Output:2 Channele A y B *Digital delay conntrols:2ms-150 ms *Noise:20 Hz a 20 KHz Master with all output levels down:-86 dBu Output Power amp.con II niveles abajo:-52 dBu *T.H.D.( ...