need help

This is my first post and I'm no noob but not a professional so help would be great. I have a kenwood exelon head unit with sub, front, and rear preouts and speakers running off the internal amp. with gains properly set the alpine amp dies at a high volume the speakers off my head still work as...

Hello all, I'm noobin along with my '96 accord.. so far this is what I have: HU: Alpine CDA-121 Front: Alpine SPS-600C 80w RMS 1" Tweeters Rear Deck: Alpine SPS-69C3 50w RMS (inherited from brother) Amplifier: Alpine Power Pack 45w x 4 RMS SO... I just ordered a Fi IB3 15" sub...