I have the same problem, I loved the stock monsoon system but sudden down pour + Top down = Bye bye stock head unit (well it works the display is just out).
I went to Crutchfield.com and bought a headunit JVC-AV50 (which is awesome). I installed with the wireharness kit and everything but when i turn it up it sounds HORRIBLE, same speakers only thing that changed was the headunit. But there is TONS of static/distortion and for come reason it just doesnt seem as loud or crisp as the stock radio DEFINITLY not as bassy.
I have verified that the Subwoofer is working all the speakers are working but it just isnt as good a sound as the stock radio was lots of distortion at high lvls. I have tried adjusting the highs/lows with the built in crossover but sounds BAD at high lvls, no where near as good as it did stock
QUESTION: What have i done wrong? Do I need to go full upgrade (speakers, sub, amp etc) or just go back to the stock radio and deal with no Clock and having to guess which track/station is playing?
2007 2.4L Sky
Chilli Pepper Red
2001 Saturn SC2
Tribal Flames (40HP!)
15' MTX 8500