The AM 81 is a 8 Channel microphone mixer with individual rotary gain controls with led indicators showing active and non active channels. 2 independent channel busses (48V phantom power individually set). Push button array on front panel are used to access each channel preferences. Led output level indicators are provided for easy and quick reference. Multifunction LCD display shows all parameters set. Rotary Monitor volume control is provided to adjust audio output level to the stereo 6.5mm headphone socket. Master rotary output level control is provided for fast simultaneous adjustment of all channel outputs. Each of the 8 channel inputs have individual rotary gain adjustment controls with accompanying active/non active led indicators. Internal adjustments are provided for output level, limiter level, phantom power and Noma levels. A cascade cable is supplied to for easy link connection to another AM81. Up to 15 units can be connected together allowing 120 microphones to be connected. Rear panel contains 8 x 3 pin XLR input sockets, 1 x Balanced XLR master audio out. 8 x RCA preamp output sockets, Link In / Link out sockets. 232 port and external control port and IU Rack mountable.