Uploaded April 2021 | Updated September 2026, 2 weeks ago
What do you do with an old car radio? Well one option is to use an old PC power supply and a pair of speakers and make a "garage sound system" - we've done that before. However, this time I wanted to connect 2 stereos to 1 set of speakers. Just like the "good old days" where you could walk into a shop and press buttons to connect any number of store display stereos to any number of store display speakers.
0:00 Old vs new car stereos
0:40 Honda tape or CD radios
1:00 Solution for electronics hoarder
1:19 Multi Cassette Capabilities, Think of the Sound!
2:06 Bag of Relays
2:51 Flip the first toggle!
3:32 Antenna and Aux In
3:53 Business in the back...
5:15 Diagram of relay power
5:50 Conclusion
What do you do with an old car radio? Well one option is to use an old PC power supply and a pair of speakers and make a "garage sound system" - we've done that before. However, this time I wanted to connect 2 stereos to 1 set of speakers. Just like the "good old days" where you could walk into a shop and press buttons to connect any number of store display stereos to any number of store display speakers.
0:00 Old vs new car stereos
0:40 Honda tape or CD radios
1:00 Solution for electronics hoarder
1:19 Multi Cassette Capabilities, Think of the Sound!
2:06 Bag of Relays
2:51 Flip the first toggle!
3:32 Antenna and Aux In
3:53 Business in the back...
5:15 Diagram of relay power
5:50 Conclusion
