Great River MP-2 NV, 2-Channel Solid State Microphone Preamp, 2x XLR micro input, 2x Hi-Z instrument input on the front, Balanced XLR outputs, TRS insert after the output amplifier, Adjustable gain in 5 dB increments up to 60 dB, 1/4 ""-10 dBV output for latency-free monitoring, Phantom power, Format: 19 ""/ 1 U