This product used 4N oxygen-free copper conductor wire, two-story high-density braided shielding 75Ω coaxial cable for digital audio signal transmission lines dedicated for advanced CD / DVD players and high-fidelity home theater system, digital audio signal transmission.
Plug one end into the RCA digital audio signal amplifier input (DIGITAL IN), the other end into the DVD player's digital audio signal output (DIGITAL OUT) can be.