analog to digital audio converter, tohilkel 2rca r/l or 3.5 mm jack aux to toslink spdif optical and coaxial, support dual ports output simultaneously, with power adapter tohilkel <p>tiancai analog to digital converter, converts analog signal (stereo r/l or 3.5mm jack signal) to digital signal (toslink optical spdif or coaxial signal), help you to solve audio device connection problem.</p> <p></p> <p><b>parameter:</b></p> <p>signal input: stereo r/l, 3.5mm jack</p> <p>signal outpt: toslink(optical), coaxial </p> <p>s/n distortion ratio: 85db</p> <p>dynamic range: 95db</p> <p>signal to noise ratio: 95db</p> <p>sampling rate: 8khz to 96khz</p> <p>main clock:</p> <p>256fs /384fs /512fs /768fs (8khz ~ 48khz)</p> <p>256fs /384fs (48khz ~ 96khz)</p> <p>power consumption: 0.5 watt(max)</p> <p>power supply: dc 5v1a (advice)</p> <p>material: aluminum (all metal)</p> <p>audio format: pcm,lpcm</p> <p>size: 4 *4 *1.3cm (l*w*h)</p> <p>certification: ul, ce, fcc</p> <p>weight: 86g</p> <p>color:black</p> <p></p> <p><b>note: </b></p> <p><b>1.please choose pcm/lpcm on your tv as audio output format.</b></p> <p> <b>2.dolby sound is not supported,please shut off dolby when use.</b></p> <p> 3.please adjust volume on terminal audio equipment, not on tv.</p> <p></p> <p><b>pankage include: </b></p> <p>analog to digital converter *1</p> <p>usb charging cable *1</p> <p>user manual *1</p> <p></p> <p><b>after sales service:</b></p> <p>if you have any questions, or encounter any problems during use, please contact us, we will provide 24h technical support through email service :)</p>