Russound SS6.2 Speaker Selector Offering High-Quality Audio Performance, It Also Provides Overload Protection And Long-Term Reliability The Ss-6.2 Allows You To Switch Up To Six Speaker Pairs Connected To A Stereo Amplifier The Ss-6.2 Offers Two Operating Configurations: Impedance Matching And Bypass. Bypass Mode Is Used For Direct Speaker Switching With Remote Impedance-Matching Volume Controls Designed For Use With 8-Ohm Loudspeakers, The Ss-6.2 Also Provides Safe Connection To Bridged Amplifiers And Even Works In Applications Where There Is A Floating Ground