Power handling: 100 watts per channel RMS; 200 watts peak Selectable impedance magnification for 1, 2, 3/4, 5/6 pairs of speakers Individual room on/off selector switches 12-step controls; 54dB maximum attenuation Separate left and right ground paths for compatibility with all amplifiers Removable screwless connectors accommodate up to 14-gauge wire Rugged all metal chassis construction Non skid feet won't scratch furniture and ensure unit stability during operation 72 adhesive-backed room identification labels