Sonic 500 uses our state of the art 500W amplifier and a massive 12-inch woofer. The Sonic 500 makes is presence felt and heard, able to fill a large room with deep, thunderous bass down to 25Hz with output levels in excess of 110dB. Finished in our stunning black diamond piano gloss lacquer. Auto on/off circuit with LED indicator and high power class A/B amplifier. Phase and crossover bypass switches. Internally braced, line level inputs.