speaker cables

Hi, my front speakers sound awful, and I wanted to replace them, but I am told that if I use another brand of speaker then it will not sound the same, also I wanted to upgrade my stereo to a modern bluetooth device instead of the original tape cassette radio installed (any suggestions??). But I...

hi there. i have two scenarios. amp in the back on top of bass bin. can either take headunit out, blank it and route the speaker cables from the amp into there. it would be four cables for speakers, two back, front tweeters and a positive and earth. is there an easier way to route instead...