The Behringer ACX1800 is a 180W, 2-channel amplifier that features 2 - 8" speakers for true acoustic fidelity. The ULTRACOUSTIC amp includes 2 independent FX processors and an ultra-musical, 9-band graphic EQ for each channel, plus the revolutionary FBQ Feedback Detection system to reduce feedback in an instant. In addition, the ACX1800 has mute switches, inserts on each channel, and a balanced stereo XLR line out with ground lift switch to enable a direct connection to your mixing console. Includes a dual FS112 footswitch for effects on/off and channel switching.