more bass

Hey guys so I went from a single cheap 250 watt Jbl sub to 2 250 watts rms kenwood subs. Honestly I liked the Jbl one better but recently I’ve been wanting more bass. I currently have 1000 watt max amp, it does 300 at 4 ohms and 500 at 2 ohms. So I was wondering what should I do to get more...

i got 2 t215 the new 2010s and two t1500bdcp amps one to each 15. with a extra kintec audio battery the khc2400 hooked up thought id be getting alot more bass than what im getting with all im running and im runing 2 and 0 gauge all the way threw the car. ive had a million systems and i seem like...