Sources: iPhone4 alone, iPhone4 with FiiO E17 using LOD, various computers using Audioengine D1 DAC and the D1's headphone out. First impression of the Beyer DT770LE: Dark and slightly cavernous sound, and a bit crispy on the high end.

I bought these shortly after my Sennheiser 280 Pro's started cracking near the headband. They still work, but I'll keep them as my backup's. The Beyerdynamics include a completely different design than the more portable Sennheisers, but that's not really a bad thing.

Quality; sound; great brand name; unique style

Maybe too bassy for some; but not me

Drummer's...you HAVE to buy these headphones! If you want to save your hearing use these headphones. They allow you to LOWER the level in the headphones due to the 35dB ambient noise reduction. Whatever you are monitoring you can listen at a VERY comfortable level and still hear your kit!

Clear Sound; Easy To Use; Powerful; Professional Functions

- How long you use it? 7-8 months very regularly. - What is so special that you love the most, least?

Closed-back headphones are rare in the serious hi-fi world. On the whole, it seems, those listening in private prefer not to be cut off from the outside world. And besides, closed-back cans have a reputation for a more 'boxed-in' sound than the open-back variety.

Bass is admirably strong

There can be traces of the midrange coloration

There's very little not to like about the classic Beyerdynamic DT 770 Studio. They stack up against the top headphones for tracking out there-with more body and depth than the less expensive, but always reliable, Sennheiser HD 280 Pro.

Excellent audio performance, with superb high frequency clarity and accuracy; Comfortable, secure fit; Very little sound leakage

Not for use with mobile devices; No removable cable; Not for those seeking highly boosted bass

The Beyerdynamic DT 770 M is a professional, no-frills tool for convenient control and playback of music. The headphones show at every point that this is a proven product that has been continuously optimised over the decades and whose qualities are convincing in every respect.

A bass lover's phone for sure. Can be fun with the right music. But the bass is of the one-note "whump" variety and that gets boring. Still, can be good with rock. I've noticed some pretty sucked out mids, though, so vocals suffer. And for a bass-head phone, the highs can get pretty brittle.

Fun Bass

Mids? What mids

I am very pleased with the quality of these headphones, they give very good insulation in both live studio and FOH work, they are very comfortable I have used them for several three hour periods during band rehearsals whilst mixing multi track takes and also for one and ahalf hour sessions for

Way back before headphones became a multi-billion dollar industry, the options available for people to buy were rather meager. You mostly had earbuds, a selection of on-ears (predominantly Sennheiser) and professional monitor headphones, and never the thrice should meet.

The Beyerdynamic DT 770 Studio is a well-built monitor headphone which sounds more open and dynamic than its closed-back construction might suggest; The headphones offer a level of comfort not offered by other professional headphones

The DT 770 Studio suffers from limited distribution and is easily confused with other similarly-named, but very different sounding, DT 770 models; The non-removable three-meter cable means the headphone is poorly suited to mobile use