What about....
DAC-24192-ULN, 24Bit/192KHz DAC, I2S Input, Ultra Low Noise Regulator Circuit | eBay
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CM6631 USB DAC Coaxial fiber 192KHz/32bit(I2S) 192K(24BIT)SPDIF WLX-66 | eBay
Any reason why these wouldn't work together to make an asynchronous USB 24/192 ES9023 dac?
DAC-24192-ULN, 24Bit/192KHz DAC, I2S Input, Ultra Low Noise Regulator Circuit | eBay
+
CM6631 USB DAC Coaxial fiber 192KHz/32bit(I2S) 192K(24BIT)SPDIF WLX-66 | eBay
Any reason why these wouldn't work together to make an asynchronous USB 24/192 ES9023 dac?