Professional Powe Mixer Model JLS639/638 .FROAD* Total out power: 8Ω 90W 4Ω 180W* Inputs:4 Microphone* Output;2 Channele A y B* Digital delay controls:2ms - 150 ms* Noise:20 Hz a 20 KHz Master with all output levelsdown:-86 dBuOuput power amp.con ll niveles abajo:-52 dBu* T.H.D.(Rated RMS Power):@120 W,4Ω<1%.* Frequancy response:Mic,input to output 20Hz ~ 20KHz line level in 600Ω + 1/-3dB 20 Hz~20Khz Power amp.1 W in 8Ω + 1/-3 dB* Sensitivity @ mixer output + 4dBu:line/mic -50 dBu/-35dBu tape -6 dBu* Speaker impedance:4-16Ω* Channel equalization:2-Bands* Output Channel Equalization:7 bands 15 dB 60Hz,160Hz,1Khz,2.5 khz,7kHz,16kHz* Consuption:240W* Power supply:115V~/60Hz