Re: How many watts do I need my amp to have?
Unless the 3" speakers are enclosed, it's a bad idea to have them in a box with the subs. But to answer your question, 3 inch speakers are usually OK with only about 25 watts each and appropriate hipass filter or bass blockers.
1999 Buick Park Ave Ultra
Head Unit: JVC KWHDR720
EQ: Audiocontrol EQL
Front Stage: Hybrid Audio Technologies Imagine 5.25 mids, Morel Maximo tweets
Sub Stage: Boston G3 10", 0.5 cu ft sealed
Amp: PPI Phantom 900.4
Rear Fill: Boston SE953 6X9's