If your DAC doesn't use their I2S protocol it won't do you any good and if it does both the Silent Angel Munich and iFi Neo Stream have an I2S output using the same protocol for less. Plus with the Neo Stream you have an alternative DAC to try out.
The Air Lens has no software included at all. Easier to think of it as a Rendu with an I2s output and SPDIF output. Same collection of aftermarket software choices as work with the two iFi devices.
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