AudioSource Analog Amplifier, Stereo More Power A Amplifier AMP310VS for Home Sound SystemsPOWER YOUR SOUND SYSTEM: 2 Channels rated at 150 watts into 8 ohms. 225 watts RMS per channel at 4 ohms. Bridge Output: 450 Watts at 8 ohms.HIGHLIGHTS: 5-Way Binding Posts. A/B Speaker selector. Auto Signal Sensing Power On. Dual Auto-Switching Inputs. Dual-differential error amplifiers. Front panel balance and volume controls. Front panel diagnostic LEDS. High level inputs. Line 2 Auxiliary output. Rear independent left/right master level controls. Rear mounted treble and bass controls. Triple-Darlington Power Amplifier Stages. Rack mountable (Rack ears included).AUTOMATICALLY KNOWS WHEN TO TURN ON: This amplifier is audio sensing, meaning it automatically turns on when you start your system.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.