- 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 expertly transmits low-frequency signals generated by subwoofers, delivering full bass response and high quality sound. - Excellent performance and construction: 24K gold-plated RCA connectors for a firmer fit and rust prevention; split center pin for optimal pressure and conductivity; oxygen-free copper inner conductor; dielectric insulation; aluminum foil; copper spiral; cotton braid; multi-layer shields to ensure lossless high-fidelity sound. - Design and reliability: Multi-layer shielding minimizes interference and preserves signal integrity from source to subwoofer. - 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 the connection. - Use scenarios: - Home theater: connect subwoofer to AV receiver to enhance movie soundtrack and music. - PC or gaming setup: link to a computer sound card or DAC for richer bass in games and multimedia. - Hi-fi system upgrade: pair with an amplifier to extend bass response in a listening room.