Zenith 600 is a 2-channel 300W @ 4 Ohm professional audio amplifier, with switching power supply, built in a 2-rack unit metal enclosure. It has balanced inputs in XLR3 format and 1/4" TRS jack and outputs with XLN4 connectors. It has selectors for input sensitivity, operating mode and bass boost. It also has protection systems against short-circuit, temperature, DC, VHF and constant high frequency signal The front panel has a power switch, independent volume controls for each channel and indicators for power, signal, clip, protection and operating mode.