UNTESTED: Audio Authority Access EZ Model 932 - Speaker Selector Module

Audio Authority Access EZ Model 942 - Amplifier Selector Module

Lafayette Stereo Speaker Selector Switch in Original Box 1960s Three Pr Speakers

SpeakerCraft 8-Zone Speaker Selector S8dc

SpeakerCraft S8dc Multi-Room Speaker Selector - 8 Zone Balanced - Home Audio

2-Way Speaker Switch Dual Zone Stereo Amplifier Signal Splitter 100W Selector

Audio Authority Access EZ Model 932 - Speaker Selector Module

SpeakerCraft 8-Zone Speaker Selector S8dc