I missed the FedEx delivery, they'll be back on Thursday
I'm still burning it. First impression is that background noise is much lower than my current Rx Mk3_B (that will be gone soon). It's much better paring with my sensitive Fitear MH335DW.
Those are iDevices DAC called VentureCraft DD Socket 1. It's pretty much the same as CLAS but you can choose OpAmp for pre-amp stage that suit your taste. Mine equipped with dual NJR MUSES01 with is about 50$ each.