center channel w/o receiver is it possible?

[buckshot]

I have a tiny problem. in our living room we have a complete set up for uncompressed audio and 1080p. all the bells and whistles. but in our bedroom we just have a ps3 and the tv, a 32'' vizio 720p lcd. the tv is good. but the speakers on it suck. so i'm wondering if theres a way to get a decent center channel or 2 small speaker that could run off the tv's rca audio outputs (the red and white ones) without any other equipement. so it would just be ps3 and cable to the tv then tv to the speakers.