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JimmyFrost Sep 13, 2011

You must pair these with a good amp to even begin to scratch the surface. Paired with the Little Dot Mk III I was blown away. It would seem these will keep scaling thousands of dollars into amps. Highly recommend for those that have the extra cash to properly amp them. If your budget it capped...

deciBels Jul 5, 2009

Having gone from the Grado SR-60>Beyer DT770>Senn HD650, I can say with definitive certainty that these are the best headphones I have used to date. I have since upgraded to an aftermarket cable from Double Helix Cables which has further improved the soundstage and given the bass a bit more...

khairulanwar Feb 22, 2011

These cans are quite warm and smooth. Laid-back type of sound imaging, thus less fatigue on your ears. Finding replacement ear pads can be quite bothersome if you are outside US. Its easy to dismantle and clean (except for the wirings and drivers) - grilles, paddings, body. "Snap-on" build -...

Born2bwild Feb 29, 2012

Fantastic headphones, just need a good amp and they will shine. They also have a great price/performance ratio for a high end headphone

MtnSloth May 5, 2011

These are among the very best of the sub-$500 headphones that I have owned or listened to; and the 650s are regularly mentioned or referenced in many comparisons and reviews. If a more accurate sound is what you are after, save a few bucks and get the HD600s; but, in my opinion, the 650s strike a...

hippiefahrzeug Jun 2, 2011

I pair them with my little dot mk III amp. They deliver excellent audiophile glory for the masses. Noise Isolation is not an issue. head-fi.org is the place to discuss headphones, so I'll leave this as it is.

nac Nov 10, 2009

The Sennheiser HD 650 is a wonderful headphone and has aged very well. I have the second-revision HD 650 introduced a little over a year ago that uses metal mesh over the drivers instead of the silk dampening of the older model. I remember my impressions of the silk-dampened model as being dark...

kneander1 Jul 24, 2012

The sound quality of the HD 650s is unparalleled, as the flagship headphones from Sennheiser for many years they certainly live up to and exceed expectations. Their downsides such as their weight and size are simply a cost of having such incredible sound. These are not noise isolating headphones...

daflyguy Apr 8, 2012

It's an open headphone so the voice isolation doesn't apply.