DESC: The AV570 Multimedia Speaker has 70 watts total power, two 35 watt high current amplifiers, 2-way acoustic suspension design, 5" magnetically shielded polypropylene woofer, and 1" fluid-filled magnetically shielded polycarbonate tweeter. With individual bass and treble controls and auto on/off power operation, it will work on either AC power or DC battery operation. Comes with versatile mounting options and aluminum alloy cabinet to dissipate heat from the amplifier.