Y-subwoofer cable designed to connect active subwoofers to home theater systems! Audio cable to connect active subwoofers (stereo input) to AV receivers (mono output). The large diameter of the inner conductor and its coaxial design mean that your Oehlbach cable is particularly suitable for the transmission of low frequencies. The inner conductor made of oxygen-free OFC copper also guarantees absolutely flawless and powerful bass reproduction, while the effective copper braid shielding eliminates signal interference and guarantees excellent transmission quality.