Whirlwind AB-8 8-Channel Mic/Line Switcher

8-channel, balanced, bi-directional signal switcher, 1 in - 2 out or 2 in - 1 out per channel Features: Eight channels of balanced A - B switching for line, mic or MIDI signals. Each of the eight channels can be individually switched or assigned to a Master Control circuit. Master switching is controlled through front panel pushbuttons, optional footswitch or automatically triggered by loss of signal on channel one of A input. Can be configured as two inputs to one output, one input to two outputs...