Meritline offers the 3.5mm Male to RCA Stereo Female Adapter Cable for $1.99. Coupon code "MLCKS28ZNL1" cuts it to 89 cents. With free shipping, that ties our October mention and is the lowest total price we could find for a comparable cable, albeit by pennies compared to some eBay stores. It splits stereo output from a 3.5mm stereo jack into two RCA connectors.
Expect this item to take two to three weeks to arrive.