XMOS U208 USB receiver to SPDIF I2S 32bit384kHz DSD USB interface for dac as weiliang ES9018 ES9028 ES9038pro - Price history & Review | AliExpress Seller - Derone Audio Parts Store | Alitools.io
OEM board - I2S over USB Audio
Douk Audio U2 XMOS XU208 Digital Interface, USB to TOSLINK Coaxial/Optical Audio Adapter, for DAC/Preamp/Amplifier, Support PCM & DSD64 (Upgrade Version): Amazon.com: Industrial & Scientific
Yuan Jing Audio - XMOS USB Audio 32Bit / 384KHz USB to I2S Converter + PCM1794 EVK Board (XS1-L8A) - USD $65.00