Universal compatibility: The RCA subwoofer cable is suitable for devices with RCA ports and works with S/PDIF, digital coaxial and composite video interfaces. Quality sound and bass: Low-loss broad-spectrum RCA subwoofer cable that transmits low-frequency signals generated by subwoofers, providing full bass response and clear overall sound for an impressive audio experience. Excellent performance: 24K gold-plated RCA connectors for a firmer fit and rust prevention. Split centre pin for optimal pressure and conductivity. Oxygen-free copper inner conductor, dielectric insulation, aluminum foil, copper spiral, cotton braid and other multi-layer shields ensure lossless high fidelity sound quality. Warmth reminder: The gold-plated RCA connector on this subwoofer cable may be slightly tight (but just right). Please turn the plug slowly and plug/unplug it to secure connection. Use scenarios: - Home theater: connect the subwoofer to an AV receiver to boost bass in movies and music. - PC or gaming setup: connect to a computer sound card or DAC with RCA output for enhanced low end. - Stereo or multi component audio: pair with other RCA devices to improve bass reach in a living room or studio setup.