1. With 5 MIC input,1 AUX input and 2 input source, and CD/MP3 player. 2. 100V70V high impedance output and 4 ohms-16 ohms low impedance output ; Individual volume control. 3. With DC in and remote control of start. 4. Support mixing input plug that is XLR balance and Ф6.3 unbalance. 5. MIC2 with broadcast priority and can automatic cut input source. 6. Available table and rack use because of high strength standard 3U design. 7. Silence and high-speed fan to insure excellent heat discharge. 8. Adopt circle output frequency transformer. 9. Index type compress VU meter with blue light. 10.Rated Output Power : 80W. 11.Power Source : AC115V/230V 50Hz/60Hz DC12V. 12.Output Indication : VU Meter. 13.Record Output : 1Vp-p 10K ohms. 14.Frequency Response : 25Hz ~ 18KHz +/-3dB. 15.Tone Control : Bass +/-10dB at 100Hz; Treble +/-10dB at 10KHz. 16.Output Impedance : 0,4 ohms,8 ohms,16 ohms,70V,100V. 17.Input : MIC Input * 5CH 2mV +/-54dB at 50K ohms. AUX,TAPE,TUNER 100mV -30dB at 50K ohms. 18.Dimension : 430W* 420D* 133.5H(mm). 19.Weight : 13.5kg.