Amazon.com: Pyle 4 Channel Speaker Selector Switch-Multi Zone A B Speaker Distribution Controller Box w/Independent Audio Source Volume Control,Supports Home Theater Stereo Amplifier Receiver System-PSLSW4,Black : Electronics
Amazon.com: Premium 2 Zone Speaker Selector Switch Box, 2 Way Stereo Audio Speaker Switcher Distribution Box for Multi-Channel High Powered Amp A B Switches -SOLUPEAK SP2 : Electronics
Recommendation for a high-quality speaker A/B switcher? - Accessories and Tweaks - PS Audio
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
Amazon.com: TENEALAY 2-Way Audio Stereo Speaker selector Switcher Box, Combiner Multi Zone A B Speaker Switch Distribution Controller Box - P21 : Electronics