I have owned a pair of Sennheiser HD650 headphones for almost a year, and the sound they produce is quite simply divine. I have been producing, recording, editing and listening to music for many years and the HD650 headphones represent what I would consider to be the best in headphone audio quality.

This is very solid headset for everyone who likes to listen music!

Amazing sound quality; nice and simple desing and it is very solid

Not that good if you want to walk with in on the streets

Reference quality (good enough for me anyway!). Prefer to AKG 701s and Beyer 880s. Well made. Similar to the 600s but slight improvements such as a thicker cord --- which actually does help the sound quality a bit. Accurate. Good bass. Excellent SQ but a bit veiled. It helps if you can try it first.

This head phone suck compare to my shure scl5($250.in ebay). It look like a cheap head phone. The scl5 is a lot better than hd650 in any frequence. The price is too high for such headphone like this. It should only cost $100.00 at the most.

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De är prisvärda men tycker inte man ska lägga 3000kr på dessa om man har liknande lurar sen tidigare. skillnaden kanske inte alltid är så stor. vill man ha det bästa ljudet med rymd så är detta kungen av hörlurar.

Trots en "heavy" eller tung bas så blir den aldrig platt hur länge man än lyssnar; Starkaste upplevelsen får man antagligen av den grymt upprymda ljudet kring diskanten; De sitter nå otroligt bra på öronen Och trots att Lurarna blev kastade ner i golvet (inte av mig) men så blev det inte en enda...

andra Sennheiser 25Hd lurarna, de slutna hörlurarna klarar starkare mellanregister fick jag en känsla av; Slutna hörlurar rent generellt mixar musiken bättre, Så därför kan musiken kännas lite svagare eller uppslisad, det kan ta tid att vänja, sig vid detta om man använt andra slutna sen tidigare,...

These headphones are one of the best you can get, aside from the pricier Grados, yet these are more comfortable than Grados. I own both, and use the Seinheiser HD 650 for daily use at the office, due to it being easy on the earlobes and side of my head.

The Sennheiser HD 650 full-size audiophile-grade headphones don't block noise, don't provide 5.1-channel sound, and don't connect to your cell phone, but other than that they are pretty close to perfect.

Warm, natural, detailed sound; Very comfortable; Sturdy construction; Replaceable cables

Expensive

First things first. Do not be deceived by the 3.5mm jack adaptor – these are not headphones you want to plug into your iPod. They're just too good. You need an amp to tease the most out of the HD-650s, and preferably a lossless audio source.

This Sennheiser HD 650 headset sounds very good. It has a full, warm, friendly sound that even makes it possible to listen to bad sources, so it is a good all-rounder. However, I can recommend everyone to buy a (headset) amplifier to make it sound at its best.

I used them everyday since 6 month from now and they are just superb. The only bad thing about them is the cable that somehow always gets stuck on something ha ha ha so strange. As a beginner audiophile they are solid entrance to the audio world.