This Digital to analog audio converter is designed for either home or professional audio switching. It converts Coaxial or To slink digital audio signals to analog L/R audio and available for connection to an external device such as an amplifier via standard rca-style jacks. This converter is small in size and quite easy to install. Specifications - input audio: coaxial or To slink digital audio - output audio: L/R audio - input audio connector: toslink+1xrca(coaxial) - output audio connector: 2Xrca R/L) - sampling rate: 32, 44.1, 48 and 96 kHz Note: when connected to the to slink and coaxial cables at the same, The product will give priority to to slink input This converter doesn't support Dolby digital - main unit (digital to analog audio converter) - 5V/DC power supply - User's Manual - 1Xoptical cable warranty: 1 year limitedeach product comes with a Musou logo. We haven't authorize other people to sell it. If you receive a product without Musou, Please email Musou. We will protect your Rights within 24 hours!