Don't worry about the warranty. I've dealt w Audeze from a 3rd world country and their customer service has been excellent. Very fast response rate, Prepaid FedEx labels, really friendly customer service, etc. These guys know what they're doing.
About customs, just ask their shipping department to mark your package as a warranty repair if you need to send yours in, so likely no problem there. Of course, do double check w your local customs but for the most part it should be ok.
Again, I'd like to modify my initial impressions about the Roon EQ filter a little. I dont think the preset is necessarily better, it's just that Audeze presents the customer w different 'flavors', it'll come down to personal preferences for this one. There are a couple of drawbacks over the stock i4, such as a slightly reduced width in soundstaging, slight boom and reduced speed in the bass. I found vocal imaging to be a little higher positioned in some tracks, which can be better. Vocals sound smoother but it can be too smooth w some loss of intimate details, rawness, and energy. It's a darker, warmer sound w the Roon preset. A little less transparent. Pulled back trebles, which can be nice sometimes but I'd rather hear everything in a track, good or bad. I did find pianos to be slightly more full w the preset, there's more weight to them, just lovely. Percussion instruments have more body but can feel slightly too heavy, a little too slow at times.
I'm back to using bit perfect output w Roon after living w the preset for a while. Bit perfect is more transparent, airier, and less congested. Also, my cpu cores do not need to work as hard so this means less fan spin, less noise. It's still great that I have the option to switch to an excellent preset on the fly depending on my mood.
Here's a picture of the LCDi4 and Lionheart cable + the Hugo 2 (w iso gel pads) + RWAK240 + Silver Dragon Toslink cable. Perfect fit!
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