AudioSource Digital Amplifier, 12 Channel Stereo Versatility D Amplifier AD5012 for Home Sound SystemsPOWER YOUR SOUND SYSTEM: 12 channels rated at 50 watts into 8 ohms. 75 watts per channel into 4 ohms. 100 watts x6 bridged mono at 8 ohms. 12 channels (6 stereo zones). 12 independent level controls.HIGHLIGHTS: 2 Line Bus outputs. Independent inputs for all 8 channels. Master level controls for Bus 1 and 2. Phoenix-style speaker connectors. Optical input. Rear mounted treble and bass controls. High efficiency class D topologies. Black anodized brushed aluminum faceplate. Bridgeable outputs. OTP Protection (over temperature protection). OCP Protection (over current protection). LED status indicator lights. Manual, auto, or triggered on/off. Rack mountable (Rack ears included).AUTOMATICALLY STARTS AND STOPS: Program your amplifier any way you prefer with our auto on/off function. You can turn it off and on manually, set it to do so automatically, or create a trigger.PERFECT FOR ANY HOME AUDIO SYSTEM: Our stereo amplifiers are great for home theaters and outdoor systems. Enjoy professional quality audio in the comfort of your own home.SPECIALLY DESIGNED FOR MULTIPLE ROOMS: Our amplifiers allow you to deliver high quality sound and power to multiple rooms for the ultimate surround sound experience.