Amazon.com: 2-Way RCA Stereo Audio Switch Input Signal Source Switcher Selector Splitter Box(2 in 1 Out / 1 in 2 Out)-RC21 : Electronics
Got this Realistic Audio 42-2110 RCA switcher to switch the output from my DAC between Magni and Little Dot MKII amps. Great build quality. Couldn't find anything remotely close to this quality at local stores. Why did RadioShack go out of business again ...
Building rca switch, help sourcing parts? | Stereo Amplifiers & Pre-Amps
Skipjack RCA Switcher — Manley Laboratories, Inc.
Amazon.com: 2 Way AV Switch - 2 Input 1 Output RCA Selector Switch for Composite Audio and Video - Switcher Box - Includes RCA Composite Cable (Black) : Electronics
HIFI dual-channel audio signal switcher RCA high-end audio splitter Power amplifier manual switcher 4-1, 3-3 no need to plug in - AliExpress