Ive got the std stereo and done the mod with the resistors. But my sound system just doesnt have any mid range its really bassy and lots of treble but just doesnt sound right.

What are the best suggestions - im not technical so wiring is not my thing!

Should i replace the head unit first?
Add speakers?
Replace stock speakers?


no idea what to do first, just want a better richer sound - not just volume.

Any good tips appreciated.