HiFiMeDIY Sabre USB DAC Digital to Analog Audio Converter 96khz/24bit ES9023+SA9023 + USB to Optical Converter (c7f85553730067d0202c5434436abff3) - PCPartPicker
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HiFime 9018 Asynchronous High resolution USB DAC | Headphone Reviews and Discussion - Head-Fi.org
HiFimeDIY UAE23 USB DAC (Sabre ES9023) | Great sounding DAC