Audience frontRow Subwoofer RCA Cable; Single - The Music Room
20FT Subwoofer Cable w/ Y Adaptor | Whole House Audio
75 Foot (RG59) Subwoofer, Digital Audio or Composite Video RCA M/M Cable
M to 2 RCA F Stereo Audio Y Adapter Subwoofer Cable 24k Gold Plated 1 RCA for sale online | eBay
Amazon.com: Mediabridge™ Ultra Series RCA Y-Adapter (8 Feet) - 1-Male to 2-Male for Digital Audio or Subwoofer - Dual Shielded with RCA to RCA Gold-Plated Connectors - Black - (Part# CYA-1M2M-8B) :