I wrote a review on here a while back of the larger micro iCAN amplifier (http://www.head-fi.org/t/654405/ican-amp-review-a-new-amp-that-gives-you-more-more-bass-more-soundstage-and-more-detail), and recently Vincent from iFi asked if I wanted to try out their smaller Nano iCAN amp. So Avatar Acoustics, their US distributor sent me a Nano to try out. Here are some impressions mostly taken from the comments I made about the Nano in the thread of that longer review of the larger iCAN:   I had my first listen to the smaller amp after letting it burn...

Brief Summary: To get right to the point, the iCAN amp by iFi is a great performing small desktop amp with amazing features at its price point of $249. Anyone who wants more bass or more soundstage, space and detail from their headphones might find this affordable amp to be the answer to their prayers. The included "X-Bass" and "3D" features of this amp offer an effective bass boost and soundstage/detail enhancement that literally take the sound to a whole new dimension, while the overall sound of the amp itself is detailed, powerful and smooth.  ...

I recently purchased an Exo Series cable from Plussound for my HD650s. I chose the silver/gold 26/50 wire and a Rhodium straight 1/8" plug. Now that the cable has burned in, I can hear a definite increase in detail and clarity compared to the stock cable. It matches up very well with the Sennheiser's and helps bring them a bit more alive. No more Sennheiser veil, at least to my ears. I like the sound of my HD650s with this cable better than the sound of the much more expensive Beyerdynamic T1s I am trying out. So this aftermarket cable will actually...