1200W Class-D 3/5-Channel Digital Amplifier Due to the advantages of power consumption and size, digital power amplifiers are first used in energy-limited car audio and demanding subwoofer active speakers. The Class-D amplifiers are typically smaller than an equivalent class-AB amplifier. Another advantage of the class-D amplifier is that it can operate from a digital signal source without requiring a digital-to-analog converter (DAC) to convert the signal to analog form first. The advantages of digital power amplifiers are high efficiency and low heat dissipation requirements, simple peripheral circuits, and low cost. 2 Ohm Stable Stereo AmplifierBridgeable Power AmplifierClass D Circuitry DesignMOSFET Power SupplyNickel plated RCA Jack for Low-Level Input Nickel plated Terminal Block for Power Input and speaker OutputVariable Level ControlCrossover Selection Switch for LPF/Full/HPFPower and Protection LED Indicator SPECIFICATIONS:Protection Circuitry against Short, Overcurrent and ThermalVariable Low Pass Filter Control from 40 to 180Hz @ 12dB SlopeVariable Hi Pass Filter Control from 40 to 300Hz @ 12dB SlopeQ Bass Boost at 45Hz: 0-12dBFrequency Response: 20Hz- 20KHz, 10Hz-300HzOutput Power (RMS) at 4?: 50W x 4CH + 150W x 1CHMAX Output Power at 4?: 1200W Power Supply: 11-16V DCFuse: 30 AMP ATO X2 Return PolicyPlease return the item in its original package, with all accessories, manual and retail packaging included.