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Amazon.com: Reiyin DA-03 USB-C DAC Audio Converter 192kHz 24bit Toslink Optical 3.5mm AUX Output External Sound Card : Electronics
EL DAC Measurements – Optical vs Coaxial vs USB – JDS Labs Blog
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USB PC to SPDIF Toslink Optical 3.5mm Audio Converter DAC 24bit 96KHz Adapter | eBay
Battle of S/PDIF vs USB: which is better? | Audio Science Review (ASR) Forum
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