Additional Images XR400-4 4 Channel Super Thin Digital Power Amplifier Class D AmplifierFull Range Digital AmplifierCEA-2006 CompliantLow-pass FilterHigh-pass Fliter Key Features 1000W Maximum power Built-in variable low-pass filter Buitl-in vriable high-pass filter 2 ohms load capability Dual power supply Power MOS-FET switching power supply Amplifiers X302-4X-Series, Class D 4-Channel Power AmplifierX802-5X-Series, Class D 5-Channel Power AmplifierKAC-M1814Compact 4-Channel Digital Amplifier