I recently bought the D3 and so far I am loving it. I'm no expert, but here are my 2 cents.
Quote:
Originally Posted by
Artmuzz 
I don't know what it is but every time I buy a new Cowon DAP the SQ seems to have improved...I then bought the J3 and the SQ was the best. Now that I have bought the D3 I can confirm that the SQ is even better than the other Cowon DAPs I have.
I have heard a J3 before, and all I can say from first hand experience is that the difference, if any, is too small for me to notice (at least with my current headphones).
Prominent members of this forum and other audiophile forums argue that the J3 and D3 sound exactly the same, and any perceived difference is placebo.
Quote:
Originally Posted by
Artmuzz 
If you are wanting multiple playlists then you have to create them yourself on a computer then put on the D3 unless Cowon come up with an update which allows you to do this in the near future.
Multiple, on-the-go playlists was one major reason I chose the D3 over the J3. This can be done by rooting the D3 then installing a third-party player like RockBox or PowerAmp. Personally, I am using PowerAMP.
Quote:
Originally Posted by
Mshenay 
But I've read a number of reviews saying that the newest firmware updates make a huge difference, it's not so laggy. Still it's good to hear the SQ gets better with Each one!
The device is definitely slow, compared to other Android devices. However, I think the major reviews on the speed/bugs have been overly harsh. Everyone these days has dual-core Android phones, so they expect any device running Android to be that fast. It is a valid point, but if used purely for a music source (i.e. only player app running, wi-fi off, etc.) and maybe some video here and there, I find the device acceptable. Let's just say that even as little as 7 years ago, a device with the speed and reliability of the D3 would not warrant negative reviews.
Conclusion? If you want an Android device for multi-tasking, installing apps, browsing the web, and some music playing on the side, get a Galaxy S III. And as much as I would recommend the J3 over the D3 to about 98% of people, there is the 2% who take advantage of the D3's strengths over the J3: RockBox/PowerAMP and digital S/PDIF output. If those don't mean much to you, get the J3.
addendum: At the time of writing, my D3 (and others) has a bug where third party player apps have much lower volume than the stock player. There are a couple workarounds, one of them being using the S/PDIF output I mentioned. Just a warning though if you plan on rooting it without an amp.
Edited by seekadds - 5/9/12 at 11:15am