The model QL-900 has Excellent dielectric properties resulting in high bandwidth audio direct from the source. Uses two (2) multi-section wires with an Oxygen-Free, High Purity Copper (OFHC) conductor core and terminated with high precision 4mm gold-plated (OFHC) Twist-lock banana plugs for excellent security and seamless connectivity. Recommended for high fidelity loudspeaker connections: Power amp, Integrated Stereo amp, and Multi-channel amp systems.