Zenith DVP615 Portable DVD Player "altec connector" Questions

5.1 Surround Sound Hi, I am having a PHILIPS DVD DVP3727 & Altec Lansing VS3251 Speaker (5.1). Now I want to connect these two and want 5.1 surround sound output. So i connected with 3 RCA-Stereo ...

just need advice regarding connection to a speaker system, ( altec-lansing ADA885). a portable DVD player usually doesn't have speaker or line outputs, if yours does just those (red and white) and ...