I know this is a little old but thought I would add some of my own findings after owning a W211 with NTG 2.5 for a couple of months.
Overall it’s decent but the let downs for me are the mediocre sound quality, the lack of iPod integration without hideously expensive add ons, the limited size of the Music Register (4GB – why so mean?) and the 256 folder limit whether using the Register, SD card or DVD/CD.
On the plus side, it is worth pointing out that you can also play AAC files (as well as MP3 and WMA as stated in the manual). In fact, it also plays HE-AAC, even though I seem to be the only person in the world who uses this format. And I will be absolutely honest, I cannot hear the difference on my NTG2.5 (or even on my iPod with £200 phones) between 48kbps HE-AAC and uncompressed audio. Yes, you read that right, 48kbps. Try it for yourself.
(Note however that although the DVD/CD will play AAC files, it seems to have problems reading the folder names correctly.)
This might lead one to conclude you can cram loads more music onto the music register etc but unfortunately it’s the limit applied to the total number of folders that is the major hurdle, for me at least.
I therefore have music on the Register, SD card and DVD, and it’s a pain in the bum remembering which is on which, switching between them and updating them when I add new music.
Does anyone have any clever solutions or workarounds to get over the folder limit?
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