logitechfan

Hello all! I am a bit confused. I own a 2.1 Logitech Z4 set, and I LOVE them. However, I also own a Rocketfish Wireless Amplified Audio Receiver. I own the other part too and had set up surround for an hour with a really really cheap white van 5.1 surround sound set and since then have not used it. Would it be possible to use the Receiver alone with my logitech set? To make it sound more powerful etc?