Plexishop.it - XH-M371 2CH audio switch with 3.5mm jack
Audio Switch 3.5mm 2 Inputs to 1 Output by Electronics USA - YouTube
2 Input 1 Output Audio Signal Switcher Switch Splitter Selector Box Sound Video RCA AV - Price history & Review | AliExpress Seller - Hi IC Store | Alitools.io
2 Way AV Switch - 2 Input 1 Output RCA Selector Switch for Composite Audio and Video - Switcher Box - Includes RCA Composite Cable (Black) | Walmart Canada