Radio Shack 3 Input Stereo Audio Source Selector #42-2112 3 auxiliary stereo inputs; 1 stereo output easily and remotely switch between 3 audio devices, out to one set of speakers passive circuitry - no power supply necessary excellent condition price: $30 CDN Comparables online (eBay, Etsy and others) average $40 CDN plus shipping Excellent cosmetic condition considering the age with no appreciable wear to the chassis. More photos available on request. Item was functional 30 years ago and has been well stored and not used since. It has been tested and is still functional but sold as pictured, as described, as-is with no functional warranties or guarantees and no return policy. All sales final.