AudioQuest - Black Lab Subwoofer Cable (RCA) - Music Direct
Monoprice Onix Series Digital Coaxial Audio/Video RCA Subwoofer CL2 Rated Cable, RG-6/U 75-ohm 6ft - Monoprice.com
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) :
20FT Subwoofer Cable w/ Y Adaptor | Outdoor Speaker Depot
Element Achromatic RCA Subwoofer – Atlas Cables USA
Why Subwoofers Should be Connected With an RCA - REL
RCA Home Theater Subwoofer RT2580 | eBay
10ft 1 Wire RCA Premium Digital Audio SubWoofer/Video Cable IN WALL - Walmart.com
Inakustik Star Y-split subwoofer Phono RCA audio cable