Amazon associate web link to a comparable system:
https://amzn.to/3yngnkv
Ebay.com listing:
https://www.ebay.com/itm/166894112567
Connect web links for wires you could require to link your tools (iPad …) to stereo receivers:
Lightning, USB-C, and Jack 3.5 mm to Aux RCA Audio, done in one cable television. Extremely useful to link a selection of tools to a stereo receivers:
https://amzn.to/4bzb8M4
Lightning to RCA Cable Audio Aux Adapter for iPad and iPhones:
https://amzn.to/4bAHJ41
Male Jack 3.5 input to Aux RCA Audio Adapter Output:
https://amzn.to/4f2ffDd