stereo

Hi, I'm wondering if anyone knows how to find out which HU I can upgrade to and what it entails. I have a 16 plate 2008. I've been looking all over the place but can't get a definitive answer. My current HU lacks features and the BT delay is terrible. Any help would be appreciated. Thanks

Hey guys, I have changed the original speakers and tweeters in the front doors, but i'm not sure if i have connected it probably. It's component set from Hertz, that has been installed in my previous VW Polo. It sounds kinda fine when i hear EDM music, but not so good with other genres. Mostly...