It’s the Lexar 1TB Card $363 off Amazon US. Took just under 4 hours to transfer a TB of music over and it works although the KANN has taken forever to index! KANN performance a bit sluggish with so many files but still sounds good and having everything in one device is great!

Agreed - I use my KANN because of the storage capacity. Have a 1TB SD card and a 512GB MicroSD card in there which means I can carry all of my music with me with room to spare. It's a mistake not to have two card slots in a revision.

Yes, I’ve had it for a while and it powered on no problem before. Only now the power button does nothing. [

I can't - it's a mechanical problem with the button. It won't switch on at all, but will charge. Unless there's another way to switch the Kann on I'm stuck. Taking it in to service next week...

I’m having a problem with my Kann - namely the power button has stopped working. The unit charges, and was working fine except that I could not switch the screen on via the power button. Unfortunately the unit eventually powered down and although I can charge it and see the charging icon...

That's the one, and yes it is expensive! I used it to fill my AK Kann, and it was much easier than when I had an AK240 and was using Android File Transfer, which would randomly fail. Not sure if you get the MTP support in the non-PRO version, but I think you can download direct from their...

I used Commander One PRO, which is available on the Mac App Store. It's not cheap, but it's reliable and I've had none of the problems I have had with Android File Transfer.