Oehlbach D1C23702 2 m Subwoofer Y-RCA Cable Black | Techinn
How To Solder an Audio Cable DIY RCA Y Adapter for Subwoofer - YouTube
SUPRA Y-LINK stereo subwoofer cable, 6-meter (19.68 feet) VERY low capacitance ! | eBay
Audio Cable Audiophile Rca To 2 Rca Male Angle Splitter Y Cable For Amplifier Speaker Subwoofer Ofc Shielded Rca To Dual Rca - Audio & Video Cables - AliExpress
Oehlbach 22705 RCA Audio/phono Y cable [2x RCA plug (phono) - 1x RCA plug (phono)] 5.00 m Blue gold plated connectors | Conrad.com