ADC AK5572 – Very high performance audio AD-converter - nihtila.com
VEDINDUST Analogue to Digital Audio Converter Analogue Digital Converter R/L RCA 3.5 mm AUX to Digital Coaxial Toslink Optical AD Converter for PS4 PS5 Blu-ray DVD Xbox AV Amp : Amazon.de: Electronics
AJA 4-Channel Bi-Directional Audio A/D & D/A Converter ADA4 B&H
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Analog-to-digital converter - Wikipedia
How to upgrade an audio interface with a high-end AD/DA converter (RME ADI-2 FS)