After replacing my swing radio unit with an RCD 330 the audio quality is different, the front door speakers are very quiet, is there a fix for this in coding?

Are you sure the balance and fader settings on the head unit are set correctly (e.g. centred and not rear biased)?

all are level and centred but I've adjusted the balance and fader settings to see if it makes any difference but it doesn't.

15 minutes ago, chrisgreen said:

Are you sure the balance and fader settings on the head unit are set correctly (e.g. centred and not rear biased)?

all are level and centred but I've adjusted the balance and fader settings to see if it makes any difference but it doesn't.

It sounds more like a defective unit than anything that would be a coding issue.

On 16/08/2025 at 14:07, chrisgreen said:

It sounds more like a defective unit than anything that would be a coding issue.

That could be the case but I have tried 2 units already, I bought a fake one (unknowingly) then bought a legitimate unit but unfortunately both sound the same and sound far worse than the swing unit