Shure SCM268 four-channel microphone mixer

Transformer-balanced XLR inputs, a switchable microphone/line level transformer-balanced XLR output, phono jack inputs and output, phantom power, and an auxiliary input channel. It can function as a primary or add-on mixer for sound reinforcement, recording, broadcast, or audio-visual presentation systems. The SCM268 has low noise and a flat frequency response; Four transformer-balanced microphone inputs; transformer-balanced output-switchable mic/line level; five -10 dB line-level inputs; six-segment LED output level meter; built-in 12-volt phantom power; internal power transformer; built-in low-cut filter on microphone inputs (below 80 Hz)