1992 SWR Red Head 240 watt combo amp. These amps were manufactured between 1988-1996. They feature two 10" speakers and a foster horn. It has a passive and active input, gain, and master volume. Bass and treble adjustments along with a mid-range frequency knob and mid-range level. The bass knob can be pulled for "turbo" and the treble knob can be pulled for "transparency". There is also an "aural enhancer" knob for presence. The face of the amp also features xlr and 1/4" line out options as well as an effects blend knob. The back of the amp has a hi frequency attenuator and an effects loop receive/send. The back features a cover and the front has a cover for the face as well; wheels are installed on the bottom of the unit.