AudioSource Amp 100 is a power amplifier that is versatile enough to be used to drive speakers with different impedance ratings in stereo mode. Ot also allows bridging the 2 separate internal amp circuits for higher power sound to one channel. Though designed for home use, the bridge-application makes this suitable for use in bars and restaurants, where stereo channeling might not be considered, but high quality output is definitely an issue. Unswitched 400 Watts Power Outlet Bridgeable Outlets Rubber Vibration-Damping Feet AudioSource 1-Year Warranty Unit Dimensions - 2.9 x 16.5 x 9.25