Rated at 40 Watts per channel RMS at 8 ohms, this Bridgeable Amplifier with 4-mode Bus system will distribute sound to 12 different locations without risk of overload. This rack-mountable high-current amp includes 6 zones or 12 channels (speakers). Bus system distributes an audio signal form one source to multiple locations, Individual output level controls for each channel, Signal sensing on 5-24 volt trigger and three power-up options, Brushed aluminum finish.