Compact 1 Rack Space chassis.
Nady Audio RMX-6 Rackmount 6-Channel Mic/Line Mixer.
Mixer features master volume, bass and treble controls. Every channel is low impedance and connects with XLR or 1/4″ microphones or instruments. Channels 4-6 have 15V global phantom power. Internal shielded power supply. Frequency response: 10 Hz-10 kHz, /-2dB. 1U rack mountable.