Subwoofer help

[lavaslime44]

On my receiver i have 2 subwoofer pre outs for 7.2 surround sound but i cant get power to them do i need an amp or something if so could u list a couple

 

[jools]

yes its a pre out to another amp. it wont drive sub

[dj_ripcord]

If it's a pre out, then you must use a powered woofer, or get an amplifier for a regular passive woofer.

 

Here is a powered sub: Powered Sub

 

And here is an amplifier for a regular passive sub: Amplifier