The first thing to point out here is that the DT770s are a closed-back design. This means sound doesn't escape through the outside of each earphone – so you won't annoy your neighbour on the train the way you would with a noisier, open-backed design.

Closed-back design; powerful sound; very comfortable

Rivals offer more insight; detail and overall resolution

The 770's got re-spec'd (check the Beyerdynamic site, they are quite clear about it) so old reviews, or references to older stock in newer reviews can be misleading. The newer model seems less robust, less durable, and is definetly +8 db at 100 Hz, so the bass is fat.

Beyerdynamic has been known to produce some of the best headphones and microphones ever created for all types of professional uses. Their products range from Broadcast TV, to Hearing Aids, to Pilots, and also to DJ's.

The good time girls of Beyerdynamics's range of headphones, if you're after big bass combined with a hi-fi high end, the DT 770s are a great buy

Thumping bass; great isolation; comfort

Not the most mature-sounding headphone out there

The DT 770s are another set of headphones in Beyerdynamic's MANUFAKTUR line. The MANUFAKTUR service allows users to create customized color schemes as well as fine-tune other aspects of their headphones.

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

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

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