Amazon.com: 4-Way Stereo L / R Sound Channel Bi-Directional Audio Switcher, 1 in 4 Out or 4 in 1 Out, L/R Sound Channel Audio Switch Splitter RCA Stereo Switch Selector for DVD
Passive 3 Zone Balanced XLR /RCA Audio Selector Box Splitter Home Stereo Adapter | eBay
Amazon.com: 4 Port Audio Switch, 3.5mm Audio Switcher, Stereo AUX Audio Selector, 4 Input 1 Output / 1 Input 4 Output Audio Splitter Switcher, Audio Switcher Box, 4 channel switch knob, No External Power Required : Electronics
Inday DA4X-R SPDIF 4x1 Digital Audio Switcher with Power Supply and IR Remote
6 In 2 Out Rca Signal Input Audio Splitter Switcher Selector Selector Switch - Audio & Video Cables - AliExpress
Kramer VS-4X Passive Stereo Switch – Thomann United States
Amazon.com: Nobsound Little Bear MC403 Mini 4-IN-3-OUT Audio Selector Box 3.5mm / RCA/Bluetooth Switcher Speaker/Amplifier Selector Splitter Box Bluetooth 4.0 Receiver Passive Preamp (3.5mm & RCA & BT) : Electronics
Amazon.com: 4 Input 4 Output 3.5mm Audio Switch Box, AUX Switcher, Stereo Audio Selector Box, Line Router Splitter Combiner for Home Audio : Electronics