goldstone
Simply upgrading your speakers from the factory originals can improve your sound quality especially if you use a high powered low distortion amplifier. Be advised that some brands are better than others due to power handling, frequency response etc. but I have never heard a good Audiovox or Roadmaster system. Infinity, MB Quart, Rockford Fosgate, Rainbow and Pioneer, Alpine and of course Oz Audio make great gear that in a 'plug and play mode'is a vast improvement over factory stuff. But regardless of who makes it a talented installer can make it sound good. Try it yourself first then you will know if you want outside help. The installer of the 90 Honda also did a 87 VW GTI with a complete Radio Shack Optimus system that left me in awe. It is not the price of the components it is the skill of the installer. Good luck and happy hunting.
