Sony 4/3/2-Channel Xplod XM-GTX6040 240-Watt Car Amplifier This versatile model is rated at 60 watts RMS x four channels into 4 ohms. Features include modern cosmetics, installation flexibility, a variable cross-over, multiple channel configurations & single-side electrical connections to suit almost any application. Features & Specifications Add 600W of pure amplifier power to your in-car system, over 3 or 4 channels, for incredible playback on the move Experience great sound quality & deep bass, with a new cutting edge design to match the GTX speaker range Low pass filter cut out the mid-range & high tones, delivering only low frequency signals to your woofers. High pass filter cuts out the low & mids Gold-plated connections & MOSFET power source give you superior performance from your in-car audio system High Level Sensing Power On feature allows the unit to be activated without the need for remote connection