I have recently sold my house and took these with me, I have two of them to sell plus some B & W Formation Audio Streamers in my other auctions. The Triad 4-Zone Power Amplifier is a high-performance, whole-home audio amplifier that provides high-resolution music playback in a compact form factor? The perfect solution for distributed audio systems. Designed around time-tested and reliable ICE power technology, the 4-Zone Power Amplifier delivers 100 watts per channel at 4 ohm and is bridgeable to 200 watts for installations where more power is needed. Superior audio quality and fast wake-from-standby make this amplifier ideal for every audio enthusiast’s home. Use Triad Power Amplifiers with Triad speakers, Triad Audio Matrix Switches, and Control4 Entertainment and Automation Controllers to deliver a fantastic high-resolution audio experience throughout the home.