Hey im 15 n i just got 2 Rockford Fosgate 12" subs at 400 watt RMS and 4 Ohm impendence and 1 15" sub at 500 watt RMS and 4 Ohm impendence. I ahve no idea what ot do aobut the amp selection because i dont know muhc about amps so if theres ne one out there who wants to give me info i might need to know or any suggestions of amps then tell me. I desperate help!!