"http://www.amazon.com/gp/product/B0044779HW?tag=httpadvance00-20
85 watts per channel of high-power stereo output
Continuously Variable Loudness Control
Extra-stable with dual aluminum-extruded heat sinks and center bar construction
Built-in port for compatible Yamaha iPod docks sold separately
Auto Power Off
Yamaha A-S500BL Integrated Stereo Amplifier (Black)"