JBL GTO937 Car Speaker "6x9 low sound" Questions

...low sound and no bass why the othier speakers i have in 10'' hit the bass fine but the infinitys are not i have 6x9 hitting harder The amp may no thav eenough to push these subs, these are top of the ...

...low bass is deafening compared to the mids and highs, I want to get an amp specifically for the 6x9's. I know I need at least a 2 channel amp but would it still be surround sound if I don't get a 4 ...

...6x9 jbl gto937 speakers for my car,each speaker is 100watt rms and 300 max .Can anybody advice on what amplifier should i get for them?I know i can run them without any amp but think they 'll sound ...