Amazon.com: Pyle 6 Channel Speaker Selector Switch - Multi Zone A B Speaker Distribution Controller Box w/ Independent Audio Source Volume Control, Supports Home Theater Stereo Receiver System - Pyle PSLSW6 : Electronics
PSG08232 - Pro Signal - 4-Way Speaker Selector Switch
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Monoprice Ss2v70 70v 2-zone Speaker Selector, 100-watt, Individual On/off Switch And Volume Control, Single 2-conductor Input : Target
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Premium 2-way stereo audio amp amplifier / speaker selector switch splitter box, 2 IN 1 OUT switcher compare 2 amps or speakers - AliExpress