Oh man you're really going to make me explain my audio set up? It's embarrassing but...well ok.
The "receiver" if you will is from a Panasonic "mini-system" (maybe 380W or something). I have connected to it speakers from other similar mini-systems by Panasonic (which i don't know much about). The subwoofers are two Rockford Fosgate car subwoofers in a box about 3 ft long with some shotty wiring. For what it's worth, it really isn't a bad system for my bedroom. It rocks the house pretty good.
Everything aside from the receiver I got for free.