Niles SS-6 speaker selector Protection circuit safeguards receiver/amplifier Separate left and right ground paths for compatibility with all amplifiers Removable connectors accommodate up to 14-gauge wire 10 year limited Handles up to 100 watts per channel RMS Protection circuit safeguards receiver / amplifier Separate left and right ground paths for compatibility with all amplifiers, including bridged designs Removable screwless connectors accommodate up to 14 gauge wire Rugged all metal chassis construction