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
Joyo Ab Box Guitar Pedal Aby Selector A/b Switch Guitar Signal Diverter Amplifier Line Selector Electric Guitar Accessories - Guitar Parts & Accessories - AliExpress
Monoprice RJ45 AB 2Way, Switch Box - Monoprice.com
A/B/Y SWITCH BOX COMPLETE KIT – General Guitar Gadgets
Amazon.com: NEW 2 Way Printer Scanner USB - Port - AB A-B Switch Box - Works with MACS AND PCs : Electronics
Doug Fleenor DMX A/B Switch Box, Single Universe | Switch on NewLighting.com