RCA Female to 2 RCA Male Stereo Audio Cord Y Splitter Subwoofer Cable | eBay
Inakustik Star Y-split subwoofer Phono RCA audio cable
SUPRA SubLink mono/subwoofer audio cable
Amazon.com: XMSJSIY 1/4 TS to Y Spade Plug Speaker Cable,6.35mm Male Mono to U Fork Spade Plug Audio Cable OFC HiFi Speaker Wire(2 Y Plug) for DJ Application,Subwoofer Mixer -2m : Musical
Inakustik Premium subwoofer Y cable
Silverback, RCA Cable for Subwoofer or Stereo — Sewell Direct