The Stinger SI42YF is the 2 Female to 1 Male Y-Adapter version of the 4000 Series. This RCA Interconnect Adapter features oversized OFC conductors for excellent sound quality, split-tip connectors for exceptional signal transfer, twisted-pair construction for protection against interference and much more. The color coded channel identifiers, flexible clear protective jacket, and compact connectors allow for easy installation. Stinger's new RCA cables are sound inspired and built to last.