Bogen CC4021 40-Watt 2-Input Mixer AmplifierThese compact mixer amplifiers provide 40 watts of output power. Model CC4021 has two inputs: 1 balanced MIC Line and 1 unbalanced AUX with individual volume controls. Features include priority muting which can be disabled, individual phantom power on all MIC inputs, bass and treble controls, peak and signal indicators, and a REC Output. They are compatible with 70V, 25V, 4 ohm, and 8 ohm speaker systems. The units measure two rack spaces in height,