Overview:Perfect for home and professional audio applications, this Digital to RCA audio converter, offers separate Digital Coax and Toslink inputs.The small form factor design makes it suitable for installation into virtually any location, regardless of space constraints, while still providing a lossless audio signal.Specifications:Converts Coaxial or Toslink digital PCM audio signals to analog L/R RCA ( not capable of being reversed) . Supports sampling rate at 32,44.1,48 96 and 192 KHz. Eliminates the Noise when No Input Signal and Automatically Mute. Aluminum Metal Case, Lightweight and Compact. Provides electromagnetic-noise-free transmission. In order to improve your experience, we have released the following solutions:1. Please kindly note that the optical cable of our DAC comes with caps that needed to be removed before using.2. Please set the audio output of your input device to PCM or LPCM before using the DAC Converter:Device homepage --> System setting --> Image and sound --> Voice setting --> Digital audio output --> PCM/LPCM.3. If Samsung TV / LG TV, please also turn on the external speakers:Device homepage -->Settings --> Sound -->Select Speaker -->Optical.4. If Panasonic TV, please set TV audio output to SPDIF output.5. If you are experiencing a buzzing noise while using the converter:A: please use a separately 5V 1A plug to power the converter. (Only 5V 1A Plug can be used for our converter.)B: Please try to replace a higher quality RCA cable witch has gold-plated interface and the Shielding function to connect to our converter.Warranty:Package included:1x Digital to Analog Converter,1xfiber cable,1x5V1A power adapter,1x user manual1 year warranty for manufacturing defect