Closed headphones for Trance and Hip Hop

You can already remove the HD598 from your list. HD598 is a very good all rounder headphone but not bassy. Between HFi580 and DT770pro i prefer HFi580, much more upfront sounding, aggressive, when DT770 is more laid back. Bass are very good with both but i find HFi580 more punchy, DT770pro more boomy. DT770 soundstage and comfort are better, but HFi580 isolation is better.

I like the DT 770 Pro 80ohm. They are super comfortable, and at 80ohm, this version is made for portable devices. They are built like a tank, and can take some abuse. They cost about $200, and for the extra money left over in your budget, buy a Fiio e10 DAC/Amp for $80 that connects via USB to your computer. The bass boost on the e10 will satiate any bass-head's thirst.... seriously, these two paired produce some ridiculous bass!

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Originally Posted by Musket 

That's one vote each.  Who has the tiebreaker?

Don't you think it's better to make your own decision based on what people have written instead of counting votes?

Just gotta ask if you'd considered Denon D2000 or Sennheiser HD25. The HD25 will have very good sound isolation and be very clear with respectable full range bass - and the isolation will help a lot in louder environments. The D2000, like the rest of the Denon line, will have exceptional detail, clarity and bass that goes all the way down like sub-bass for films.D2000 isn't mega sturdy, though - I mean, the Denon line is all kinda delicate (as in luxury items, not as in cheap/weak) and I'd rather leave them in a home or office than have them out on deployment.

I vote Beyer simply because they are so comfortable, and built like tanks.  I have 4 kids all of which have used them at some point and no damage as yet, other than some (removable) chocolate prints :D

I demo'd some Ultrasones prior to purchase both the 580 and 790 and found the highs a little shrill for my liking, and there is just some kind of "hollowness" to the mids but that just may be because I was littening to multiple cans at teh time and may have appeared that way in comparison.  The bass on the Ultrasones is truely enjoyable but in my mind the Beyer's were a more "all round" can.  I also listen to lots of electro/trance/dance music and found that the Beyeres are more than capable of offering a fine represention but are akso able to handle other grenres such as rock and pop (even classical) to a very good level. 

Maybe I am a little biased as I own the Beyers, which was my final decision, but I was a little apprehensive of buying Ultrasones due to mixed reviews here and my wide choice of music.  The final "SOLD" moment was listening to Massive Attack - Teardops and then putting on the Ultrasones to listen for a second time, the presentation was just not quite as "refined and clear".  The Beyers demonstrated that the bass and mids were clearly defined and full of warmth and character that , to me, was lacking on the both the Ultrasones.

While this is just my opinion, I hope it offers you some insight.  Good luck with the purchase, and massive repsect for your career choice, be safe.

If you want rugged and good bass, I'd go for Ultrasone. My Pro 750's can take anything short of a bullet. And while I think the Denon headphones are amazing, they are very much delicate (as Timestretch said, delicate like a luxury item, not because of cheap materials, in fact, the Denon line probably uses the most expensive exterior materials of any of the ones you are looking at).

But seeing as your deployed, I'd take durability as the top priority, and while I can't speak for the Beyers, the Ultrasones I've owned have been the most rugged headphones I've ever used by quite a margin.