Estone Digital Optical Coaxial Toslink To Analog RCA L/R Audio Converter + Cable OD 5.0 This Digital to Analog Audio Converter is designed for either home or professional audio switching It converts coaxial or digital audio signals to analog L/R audio and available for connection to an external device such as an amplifier via standard RCA jacks Converts coaxial or digital audio signals to analog L/R audio and connects to an external device such as an amplifier via standard RCA jacks Provides electromagnetic-noise-free transmission Easy to install and simple to operate