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Headphones item created by , May 5, 2010
Pros - Good craftsmanship, good looking, good sound isolation. Lifetime warranty.
Cons - SQ inadequate for serious listening to music.
Being a (non-professional) recording engineer -- my specialities are the recording of organ music and chamber music-- I required next to my Sennheiser HD 595 (excellent!!!) a pair of closed headphones. These would be useful in the case that the recording equipment lives in the same room as where the music is made.
Attracted by Koss'reputation and good reviews I decided for the Pro4AAT.
At first I conected the headphone to the output of my computer's sound board, and it became clear that this output is not capable of driving a high-impedance headphone. My audio amplifier solved that problem. But I found the SQ very disappointing. The lows are not convincing at all, the mids sound tinny and the highs are too dull, not sparkling. The overall sound lacks any presence.
In a few words: If you want to listen to music, with your headphone, and with your eyes closed; if you want the sensation that you are present in the cathedral or other environment where the music is made, do not go for this headphone. It was not made for you.
Pros - Immense value in terms of price to quality ratio, Koss Lifetime Warranty, Excellent Balanced SQ
Cons - Heavy, moderately uncomfortable, hard to drive, take a good bit of burn in to reach optimum SQ
As a bit of a disclaimer, I'm a huge fan of these headphones, and have used them almost daily for the past three years, so I suppose you could say this review is a bit biased, but I'll try to keep it fair. Here's why I feel so strongly about these headphones. First, they have amazing value, at $65 for a pair (Amazon pricing) which alone speaks for why anyone new to the hi-fi world should have a crack at them.
As for sound quality, I've found them to be quite flat across the frequency spectrum, all the way down to quite low areas, with drop off not noticeable on most everything I've listened to. As for the midrange, it's quite neutral, and neither overly forward, nor recessed, and very satisfactory, if not overly remarkable. The high end continues the flat, neutral trend, though it seems to me to be a tad soft, but not to the point were it becomes at all bothersome. The soundstage of these headphones is excellent, and is has proper separation of instruments. Reverb seemed very spacious without being distracting, and it really allowed one to almost forget they were listening to headphones at times. Overall, I am utterly satisfied with the sound quality of these headphones, and I suppose the best way to sum them up is that it doesn't have any really noticeable flaws. Could it be much better? Yes, but the strong point of these is that they preform quite well across the board, and provide a very comfortable listening environment