this post was submitted on 14 Dec 2023
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I also use it daily. I bought a cheap aux to bt adapter for my car so I could wirelessly play music but it's not as good as just plugging it in directly. And it's an extra dongle thing to worry about.
I really just wanted to do Bluetooth because it's slightly more convenient, and when I'm charging my phone while it's plugged into aux there's a bit of a whine over my music. But having the option to do aux when I want is important to me personally
To fix the whine buy a ground loop isolator for less than $10 (they're all the same). It will sit in-line on the input cord.
Basically your phone is getting two paths to ground - the power connection and the headphone jack. This causes interference (the whine). It's also not good for the power control systems in the phone, though I think it would take years of being connected to actually damage it.
Ah, this is great information. Thank you, I'll look into that