playing music from Android phone through my stereo

Mar 29, 2018
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I've followed the instructions for connecting my Android phone to our stereo receiver using an RCA cable but there's no sound, except from my phone speaker. Is there a setting on my phone that needs to be made? Also tried using the Monster cable from our Airport Express (also has RCA connectors) and that's not working either. My headphones/buds work on my phone.