I'm not sure about iTunes, but the limit for size of micro SD card is 256GB. So, you can't do 400GB. And as for being an "awesome replacement", just look for something else. Mine is buggy and unreliable, also just sounds defected.

Well, I'm not particularly interested in selling the device. I really like it, when it decides to work properly. As mentioned before, it sounds fantastic. But yeah, I'm gonna have to further talk about it with Echobox's customer support, and probably end up getting a new unit. And yes, it is my...

Apologies if these questions or issues have already been solved, but I don't have the patience to shift through over 160 pages to see. I've had a love/hate relationship with my Explorer. When it wants to, it sounds fantastic, but quite often, it gives me grief. Hitting pause/play causes pops...