Emotiva Audio - You're looking at some of the best technology in digital audio today: the AD1955 high-performance multibit sigma-delta DAC, the AD1896 asynchronous sample rate converter (ASRC), the C-Media CM6631 high-speed
CM6631A Digital Interface USB to I2S/SPDIF Coaxial Output 32/24Bit 192K Sound Card|Counters| - AliExpress
Cmedia CM6631A | Symmetry Electronics
LJ CM6631A V 1.3 USB to I2S / SPDIF interface 24bit / 192kHz - Audiophonics
CM6631A CM6631 6631 USB to I2S Digital Interface / USB Asynchronous Daughter Card / Audio Module / XMOS DAC H012|Digital-to-Analog Converter| - AliExpress
C-Media CM6631A-based USB-I2S Interface | H i F i D U I N O
C-Media CM6631A-based USB-I2S Interface | H i F i D U I N O