The KanexPro Mini Audio Amplifier is a quarter-rack width digital amplifier (Class D) with equalizer control and Mic mixer. Its a simple yet powerful device delivering 2x20 Watts@4Ohm default output with built-in volume/ bass feature. It also supports dual mono-output with 2 stereo audio selectable inputs. The Microphone mixer includes independent volume control with balance switching. Supports balanced/ unbalanced signals.