The Audio Quest Black Lab Subwoofer Cable has become an industry standard for those seeking a high-quality & affordable subwoofer interconnect that delivers outstanding performance. It incorporates the renowned engineering found in Audio Quest cables including Metal-Layer Noise-Dissipation (NDS) & Solid Long-Grain Copper internal conductors. in addition the cable features an integrated grounding wire effectively preventing any ground hum issues that can occur with subwoofers. With reliability affordability & excellent sound quality this cable is a top choice for subwoofer connections.