Straight Wire Encore II Subwoofer Cable Single to Dual RCA 4 Meter - Walmart.com
Inakustik Star Y-split subwoofer Phono RCA audio cable
Subwoofer S/PDIF Audio Digital Coaxial RCA Composite Video Cable (30 Feet) - Gold Plated Dual Shielded RCA to RCA Male Connectors - Black - Walmart.com