I threw a 512GB Samsung microSD card and it works fine. I decide not leave internal memory empty. The microSD card is class 3, with a Lexar USB to microSD reader, the write speed is more than 70MB/s.

512GB with exFAT works. I had a 128GB with FAT32 so I formatted the 512GB to FAT32 and it did not work. Set it back to exFAT and it works.

Just bought a 512GB sd card, pono player happily accepted it.

If you don't like it, please go for other threads. This thread is not for you.

We all know and we are happy with the player. Period.

Thanks for reminding. I already did and it plays dsf.

Bought one for $129 from frys at the end of May. Will compare DSF with PCM.

I am thinking of a cheap DIY solution to use Groove with iphone and a battery. what I plan to do is go get 2 micro USB cables, I will cut both and make a micro-USB to micro-USB cable, at the same time, I will take the USB-A plug, and connect the 2 wires for 5V power supply to the micro to micro...

Got the groove last night, what a surprise! It drives HD-600 effortlessly and sounds so good! HD-598 is also singing. I am surprised it is so powerful with just USB2.0 and no battery or extra power supply.   I have been looking for a USB DAC/AMP solution for a long while for simpleness. I have...

Ordered one, hope it drives HD600 well.

I am also using X230->E17->HD598. Great sound.

Do you know where I can find a good 2.5mm connector for HD598? Thanks.

I bought a HD598, looking to DIY cable. Can you guys recommend parts? especially 3.5mm plug. Thanks.

Is there a budget DAC/AMP combo just like E17 which is powerful enough to drive HD600/650?

My lenses in order of tastes (1st is my favorate and the last one is least favorate): 135L->35L->85/1.8->24-70L->50/1.8->18-55 In order of frequency of usage: 35L->24-70L->18-55->85/1.8->50/1.8