xtrons sound

Hi all, I’m new here! So, I have a 2007 Audi A4 B7 2.0Tdi Avante. I have recently decided to upgrade my head unit to something more modern so bought an Xtrons head unit. Plug & play... I wired it in, it all works as it should, apart from a very annoying humming noise which gets worse when...

Just thought I’d share this as I know quite a few people now have the Xtrons stereo units. On the XDA Developers forum someone has released a free update that dramatically improves the sound output from these headunits as some people don’t think the sound quality from these units is very good...