It has a s-video output but it seems to be a 3.5 mm output jack instead of the normal s video cable. I would think it would be something like 3.5mm s video to s video cable. Here is the DVD player:
http://www.gpx.com/store/p/560-AV-Cbl-3-5mm-3-Ch-to-3-RCA.aspx

I know what RCA cable to get but I wanted to get the s video output one for better video quality.