2013 Elantra coupe - I think I have a blown speaker but the radio goes out sometimes

So I’ll be driving and out of no where you’ll start hearing static or nothing at all. When this happens I give it a little love tap and it works again. Any ideas on what could be the issue?

Where exactly are you tapping?

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Disconnect the speaker and see if it still happens. Replace a bad speaker. If not the speaker, then likely a faulty circuit board or cold solder joint. Gonna have to go to a dealer repair facility or just replace it.

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Have you touched/replaced HU?

Could be a problematic connection at the antenna input. Try disconnecting and reconnecting.

I had a similar problem recently with a portable mp3 player. Problem turned out to be two broken solder joints at the audio-mini-jack/printed circuit interface. Re-soldering was the fix.