RCA Male to 2 RCA Male Audio Y Splitter Subwoofer Cable Bi-Directional Adapter | eBay
RCA (M) to 2 RCA (F) Stereo Audio Y Adapter Subwoofer Cable (24k Gold Plated) 1 Male to 2 Female Y Splitter Connectors - Walmart.com
FosPower RCA Y-Adapter (6 Feet), 1 RCA Male to 2 RCA Male Y Splitter Digital Stereo Audio Cable for Subwoofer, Home Theater, Hi-Fi - Dual Shielded | 24K Gold Plated - Walmart.com
Amazon.com: RCA Y Splitter, 2 Pack RCA Female to Dual RCA Male Cable Splitter Adapter, 8 Inches Gold Plated Audio Cable Cord for Subwoofer : Electronics
Amazon.com: Mediabridge™ Ultra Series RCA Y-Adapter (12 Inches) - 1-Female to 2-Male for Digital Audio or Subwoofer - (Part# CYA-2M1F-P) : Electronics
Amazon.com: FosPower RCA Y-Adapter (6 Feet), 1 RCA Male to 2 RCA Male Y Splitter Digital Stereo Audio Cable for Subwoofer, Home Theater, Hi-Fi - Dual Shielded | 24K Gold Plated : Electronics
What Is A Subwoofer Y Adapter Cable And Why Use One? - BoomSpeaker
Amazon.com: RCA 1 Male to 2 Female Audio Speaker Y Adapter Splitter Cable with OFC Conductor Dual Shielding Gold Plated Metal Shell Flexible PVC Jacket - 2 Pack / 0.6FT : Electronics
Inakustik Premium subwoofer Y cable
Y-split audio cable (2x RCA female - RCA male)
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) :