Using 50 pieces of Swiss Gotham copper wires as the core wire and externally laid with dense OFC (OXIDE FREE COPPER) wires wrapped by means of spiral binding for effective shielding, the base material of this wire is used for CD/DVD digital coaxial output. The wire features excellent analytic capability for its medium and high frequency parts. The replayed music has fine and smooth sense of reality, profound ambience, full-frequency balanced audio sense, penetrating music background with full taste of music.