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CoffeeDan
Contributor I
February 1, 2025
Answered

Connecting two components to a speaker via Line-In

Can I connect two components (a record player and a CD player) each with their own RC cables to one 3.5mm adapter? The 3.5mm adapter would have two pairs of RC ports on one side and one 3.5 out on the other side. Does such an adapter exist? I have the Pro-Ject T1 Phono SB Turntable that I can connect to a pair of Era 300 speakers set up as a stereo pair using the 3.5mm Line-in port and their adapter and it works. I have a vintage Magnavox CDB 473 CD player that I can also connect to the same Era 300 speaker in the same way and it works. I want to leave them both connected to the same speaker so I can play from either one without disconnecting one and connecting the other. What do I need to do that?

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Stanley_4
Stanley_4Answer
Grand Maestro
February 1, 2025

A simple RCA switch will do that for you. Something like this:

https://www.amazon.com/JINGFENG-Switcher-Distortion-Switching-Headphones/dp/B0CKLJTM17/ref=sr_1_16?th=1

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3 replies

Stanley_4
Stanley_4Answer
Grand Maestro
February 1, 2025

A simple RCA switch will do that for you. Something like this:

https://www.amazon.com/JINGFENG-Switcher-Distortion-Switching-Headphones/dp/B0CKLJTM17/ref=sr_1_16?th=1

    nik9669a
    Senior Virtuoso
    February 2, 2025

    Or another Sonos adaptor, plugged into the other Era. 

      CoffeeDanAuthor
      Contributor I
      February 2, 2025

      Thank you ​@Stanley_4 your answer was just what I wanted to know. I know it will work. Thank you ​@nik9669a your solution will definitely work too. Thank you both again!

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