AudioSource AMP 102 50-Watt Stereo 150-Watt Mono Power Amplifier (Black) Ideal for In-Wall and In-Ceiling speaker systems 60 watts per channel into 4 ohms Rear Channel Amplifier for Dolby 6.1 and 7.1 systems Ideal for In-Wall and In-Ceiling speaker systems 60 watts per channel into 4 ohms Rear Channel Amplifier for Dolby 6.1 and 7.1 systems Use with Whole House Distributed Audio systems Independent level and balance