Blaupunkt THA-1250 PnP 1 Channel 600W Amplifier 600 Watt 1 Channel Amplifier Power at 4 ohms.: 1 x 250W RMS (600W max.) Power at 2 ohms.: 1 x 300W RMS (600W max.) Variable Low / High Pass Filter Features RCA, High-Level, and Direct 3.5mm Stereo Aux. Input