Kenwood KAC-7406 CAR Audio 800W WATT 4/3 Channel Power AMP Amplifier Power MOS-FET Switching Power Supply Rated Input Power 4 ohms 60W x 4 2 ohms 100W x 4 Bridged 200W x 2 Specifications Signal to Noise Ratio: 100 dB Low Pass Filter: 50 - 200 Hz (-12 dB / oct.) High-Pass Filter: 50 - 200 Hz (-12 dB / oct.) Bass Boost: 40 Hz (0 - +18 dB) Size(inch): (W)13-3/16 Speaker Level Input /2 Ohms Load Capability Signal Sensing Turn-on / Cast Aluminum Heat Sink Design