KUYIOHIFI Ultra Series RCA Y-Adapter - 1-male to 2-male connects a TV, CD/DVD player or other rca-enabled device to the left & right audio ports of a subwoofer or amplifier. The Y-Adapter has 1-male to 2-male RCA connectors, which splits audio components for a Genuine surround sound experience (no extra cables needed). the Low-loss, wide spectrum coaxial cable is the ideal medium for low-frequency signals produced by subwoofers, providing Deep & precise sound quality. Dual-shielded with braided copper shielding, aluminum Mylar shielding & gas injected foam dielectric, for natural sounds & rejection of hum/static that occurs when devices are placed near each other. Split-tip center pins ensure high contact pressure & conductivity. corrosion-resistant gold-plated connectors have tighter fits than commonly rolled cables with wider tolerances.