ML432 7-Channel Audio Mixer.
4 x Dedicated Microphone Channels.Phantom Power Channel 1.3 x Music Channels (Line Level).Overall Bass and Treble Controls. Can tap from an existing 100V PA system.Mains operation or 24 V emergency power operation.
4 x balanced 6.3mm jack (+XLR for mic1)
2.2k Ohms (mic/line), 10k Ohms (aux)
mic 130Hz - 21kHz
line 120Hz - 26kHz
aux 50Hz - 35kHz
mic 54dB
aux/line 58dB