hey i just had a question on my sound system in my truck. i just bought a used truck and it came with an alpine deck(cda-9827) , to mtx 8" subs and side door speakers.there is also two amps that run to the subs and side doors. my problem is when i tune the music to a ceritn loundness witch is 20, the side door spearkers pop.. if you have any sugestions please let me know! thanks.