Wall-Mount Power Vector Modular Amplifiers. 100-,150-, and 250-watt models, each with a large power reserve. Capable of handling 70V, 25V, 8-ohm, and 4-ohm speaker loads. 8 module bays. Wide selection of advanced plug-in modules. 2 module bays capable of handling signal processing plug-in output modules. 4 levels of priority between modules. 11-segment LED output level meter monitors the output level of the power amplifier with Peak and Average meter switch. Adjustable output level limiter with limit indicator. Tape output available on front of unit. Optional front-mounted input combo jack with 1/4" stereo phone and female XLR capabilities. Motorized master volume control can be remotely operated. Bass and treble controls with center detent. Two-color LED for each channel indicates input active/clipping. Switch permits user to select either transformer coupled