I agree with Winston, even if he IS a Gopher fan. The OEM unit sounds tinny mainly because of a design ommision. Many of us have added a capacitor in series with the door speakers to act as a crossover. This allows the subwoofers to be driven much harder. Read this:

https://www.crossfireforum.org/forum...-buck-mod.html

It helps, but when I replaced mine with a mid-level Pioneer unit, the improvement was very gratifying!

Mine will play music from a thumb drive just like an iPod. $16 for an 8MB stick that holds all of my music.