Subwoofer S/PDIF Audio Digital Coaxial RCA Composite Video Cable (50 Feet) - Gold Plated Dual Shielded RCA to RCA Male Connectors - Black - Walmart.com
RCA/phono subwoofer cable, 1 to 1 RCA/phono, digital/analogue – KabelDirekt
Monoprice Digital Coaxial Cable - 15 Feet - Black | Audio/video Rca Cable Male To Male Rg59u 75ohm (for S/pdif, Digital Coax, Subwoofer & Composite : Target
Single RCA M/M Cable For Subwoofer Digital Coaxial Audio or Composite Video DIPO | eBay