RCA (M) to 2 RCA (F) Stereo Audio Y Adapter Subwoofer Cable (24k Gold Plated) 1 Male to 2 Female Y Splitter Connectors - Walmart.com
2 RCA to 1 RCA Male Subwoofer Audio Splitter Y Cable Stereo Bass Bi-Direction | eBay
Devinal RCA Y Cable, RCA/Phono Y Splitter, RCA 1 Male to 2 Male Y Adapter, Male/Male Subwoofer Cable Gold Plated for subs/amps/Hi-Fis/Home Theater/receivers 10Feet/3M - Yahoo Shopping