The cable is made of high purity oxygen-free copper core with low resistance and high transmission, which makes the sound more pure and lively.Audio Cable: Digital coaxial audio video cable stereo SPDIF 3.5mm jack to RCA male for HDTV, SPDIF 3.5mm to RCA stereo digital coaxial cable.HiFi Sound Quality: Build a digital home theater using high fidelity, pure sound and COAXIAL, S/PDIF interface. With the DTS feature, the coaxial audio cable connects to your home audio for clearer sound quality on your TV output.How to Use: After successful connection, you need to turn on the external speakers and digital audio output, for example to play HD movies using DTS. The DTS track will be displayed in the bottom right corner of the TV.Applicable Occasions: For devices with digital coaxial interface, TVs, speakers, amplifiers, loudspeakers, etc. Please make sure your TV has a 3.5mm digital coaxial audio output connector and your speakers and amplifiers have RCA coaxial connectors.