I actually was using this on some Sony headphones I have had for about 8 years when I first got it. For 8 years I listened to these headphones and never thought twice about them. When I had the amp hooked up, I heard EVERYTHING I was missing, including alot of the sound. I replaced the Sony with the AKG K240 Studios Right before they started making them in China (luckily on my part, because the new ones suck). I LOOOOVE them. but when I try them without the amp there is still alot missing. They are closer to my Sonys. I guess the iPhone isnt the best way to play music anyways, but I feel I am becoming more and more attached to certain recordings. I have a much better appreciation for the artists that spend the time to really lay down some amazing tracks. its worth it to me. I just bought a Pair of the Westone UM series, the one with 2 drivers. I have yet to receive them, but I read a review about them from the same guy that convinced me to buy this amp. He has steered me into the AKG and this so far, so he is 2 for 2 in my book. Sonics tracking said I will have them on Monday so I will review them once I have had some time. But this amp is a great choice! Great music reproduction!

I decided to go with this amp for a few reasons. First, the price point was very good. I was very hesitant to fork out an extra hundred something for the ICon iDo.It has more power and seems like a good unit, but I figured this would be a safe bet. Second, the reviews I have read on these items confirm that this was the product I wanted. It appeared to be flawless. Third, I wanted it to be small enough to take and move around, but not small like the E5 or anything. Fourth, Everyone I have chat with and talked to with real nice Audio equipment has been stunned when they ask me what kind of headphones I use, and they find out I dont have an amplifier for them. (I have a pair of AKG, Sennheiser, and Beyerdynamic)

After getting the product I am still excited every time I play a song again on one of my headphones and use the amp. I have always enjoyed quality audio (as my headphone collection shows) and the amp has really brought the best in them. They are able to perform so much better now. I am finally maximizing the very products i spent a fortune to get in the first place.

The overall build is great. It feels sturdy, and has had no issues while performing. I am very happy with my purchase. But now I have begun to think about the Icon iDo. I might get it and keep it as my home amp, and then use this at work. But the bottom line is, Great product and a fair price. It has only made me want to further my pursuit to perfeection

I like the NuForce amp better than the Fiio amp. I think it is a better build, and its not much more money. I had the Fiio E7, and it was good, but I wanted something a little nicer. I just got the Akg Q701, and I wanted a nice amp that would go with it on my desk, and now I have the E7 to take with me to the gym, or when I am commuting. Its a great amp, sounds very clear, and the construction on it is brilliant. Great buy.

I think I have secretly always loved NuForce because of how simple they are. They are a sharp looking brand, with a great reputation, and I knew eventually I would have mine. I use to have the FiiO-E5 which I still use when Im out or traveling somewhere, but my new pride and joy is right here. I have my AKGs hooked up to these, and peace! The sound is just as good as everyone has said. A natural warmth to it, with little to no distortion at ALL volume levels. Its small enough to tuck behind the phone at home or work on my desk, No complaints. It is simply the best affordable amp for headphones