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Finally, about a month after receiving my JS-2 and MMK from Alex, I was able to be home, have the tools, and the time to do the installation. Here are some of my thoughts... THE GOOD 1. I've just turned on the Mac Mini (late 2014 PCIe Flash) plugged into the JS-2 and it does sound really good (I can't quantify the improvement, but it's definitely there)! 2. Fantastic service and support from Alex (Superdad). I had a few questions over the past few weeks, initially with the order, and then some clarification questions, all of which Alex responded very quickly to! 3. Really nice build quality on the JS-2 (see picture below). I personally would have preferred not to have any text on the front fascia, but no biggie. COULD BE IMPROVED 1. I consider myself reasonably "tech comfortable", but even so I have to admit that I put off the installation project more than a couple of times because of the rather scary-looking documentation - granted, probably every step needed is described nicely by Alex in the little booklet, but it's in very fine print (a tad challenging for my nascent presbyopia), and there are no pictures! Not one (well, except for the cover photo)! 2. Having said the above, Alex did very kindly send me emails with iFixit links, for the tear-down (first part) of the installation. However, one will still have to read the documentation very carefully to figure out the second part, as it (of course) isn't on iFixit... 3. What made it a tad more worrying was that the documentation was obviously prepared some years ago - the very first line says "Install this product only in a 2010, 2011, or 2012 Mac mini". Alex did clarify in an email that it would work fine on my 2014 Mac mini, and did also describe some of the differences between the documentation and what I would have to do for my newer unit, but it did add to my fears (and the complexity)! 4. Another problem was that the Torx 6 Security bit, which is required to open the late-2014 Mac mini, is not included in the toolkit that Alex sends out, so I had to purchase it from iFixit separately. 5. There is no documentation at all as to how to use the JS-2. At first I didn't worry because, after all, there aren't that many connections! However, for the first few minutes after turning it on my Mac Mini refused to start up, until I figured out that the "sense" cable was loose, and also that I had to have the little switch at the back set to "sense", and that the DC cable had to be connected to the DC-2 output (in hindsight it is obvious, since it is the output closest to the "sense" input)... SUMMARY In summary though, I have to say that the actual installation process is very, very easy to do - it just looks difficult to those of us accustomed to having pictures to follow-along to! The resulting sound quality improvement (at least to my "freshman" ears) also sounds pretty good! And again, Alex was fantastic in being very prompt and helpful with his email replies! I've provided some photographs of my installation below, as it may be helpful for others in the future (do note that in the second-last picture the switch/sense is set wrongly - I took that photo while trying to figure out what was wrong). Art p.s. As mentioned, for the first (teardown) phase, I used this guide from iFixit: