Originally Posted by
PTravel
However, future firmware updates will permit use of 128g and 256g cards for a maximum amount of storage up to 512g.
The specs are pretty impressive, and it retails for only $350 (Amazon will have them in March).
Thing is, 128GB and 256GB MicroSD cards don't exist yet. SanDisk has a 128GB under development, but it isn't out yet. I have their headphone amp, and use it over USB2GO on my phone, works quite nicely.