To run 4 subwoofers you need a class d 2 ch amplifier, class d are more efficient than regular AB class amplifiers. You can get a 2 ch amp to power 4 amps by connecting them on parallel @ 2 ohms. Just make sure the amplifiers is stable @ 2 ohms and t...
Check out TC Sounds. The TC1000's, the first line they have, are rated for 400wrms but can handle 1000. Stay away from RF. Good Luck!
When you pick out an amp, a simple way to look at it is to spend the same amount of money for an amplifier that you spent on your subs. It doesn't always work that way, but its a pretty reliable rule of thumb. If you spent 400 on subs, look at the se...