150W x 2 @ 4 Ohms400W x 2 @ 2 Ohms800W x 1 [Bridged] @ 4 Ohms900W Max PowerFull-Range, Class A/B Topology MOSFET Power Supply2/1 ChannelLow and High Level Inputs Variable LP CrossoverFixed HP CrossoverVariable Bass Boost Dimensions: 11-21/32" (L) x 11-3/16" (W) x 2-7/16" (H)