CSRET Digital to Analog Audio Converter Adapter, Coax and Optical/Toslink to RCA L/R Output with 3.5mm Jack Support Headphone/Speaker Output Converts Optical SPDIF Toslink or Coaxial digital PCM audio input to analog stereo RCA L/R Premium quality with durable metal casing design for excellent heat dissipation and stability Supports sampling rates including 32kHz, 44.1kHz, 48kHz, 96kHz and 192kHz, and up to 24-bit resolution, ensuring ultra-low jitter and high fidelity Auto sensing input selection with priority given to Optical SPDIF; disable / disconnect SPDIF input for coaxial input application Easy to install and simple to operate.2-year warranty by CSRET