- Handles up to 700W peak power - 1% THD (Total Harmonic Distortion) - Class AB for full-range speakers and class D for subwoofer - Variable bass boost - Die-cast aluminum heat sink - Remote bass knob included - Short circuit protection - Bright blue LED accent strip Boost sound signals with this five-channel Memphis audio amplifier. It lets you add a subwoofer to a traditional front and rear speaker setup for deeper bass, and the aluminum chassis prevents overheating during use. This 700W Memphis audio amplifier has top-mounted controls hidden under a magnetic panel, so you can fine-tune your system without tools.