11.8 Power @ 4-Ohm 300w x 1 Power @ 2-Ohm 400w x 1 7 x 11 x 2.25 * Number of Channels MONO MOS-FET Power Supply * 2-Ohm Stable Selectable Bass Boost; 0/6/12dB @ 50Hz * Adjustable Low Pass Crossover @ 30-300Hz Gold Plated Connectors; RCA/ Speaker/ Power * Speaker Level Input Dimensions11-7/8" x 11" x 2-1/4"