Very few headphones deserve to be called a true "reference" but the HD650s are in very selected company of chosen masterpieces.

The formidable Sennheiser HD 650 headphones are fit for a king--and have a price tag to prove it.

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  Sennheiser's flagship headphones have high-tech styling, extraordinary bass response, and an extremely comfortable design.

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  They're heavy and very pricey, not to mention ill suited for use with the iPod.

The Sennheiser HD 650 headphones have everything you want in full-size audiophile headphones.

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

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  Expensive.

By default, I've become "the headphone guy" in high-end audio. I don't quite understand why other audiophiles don't fess up that they listen to 'phones too. Maybe it's a macho thing, like the Butt Blaster at the gym -- you never actually see guys using it, but you do see them furtively exiting the...

The Sennheiser HD650 headphone has seen an enduring popularity among audiophiles for it’s high price-to-performance ratio. But for $499, how much sound is this open-back headphone packing? And is it the right headphone for you?

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INTRODUCTION I have had a hankering to see if I can find a better pair of headphones. Primarily, to use as a reference to evaluate source components and pre-amps, and also for personal use. I had purchased a Sennheiser HD497 several years ago, for about $50 USD and it has served me well so far.

The Sennheiser HD 650s are a solid pair of headphones for at-home use.

I must confess that I can't understand why these headphones are such a big success among audiophiles. Sennheiser's marketing efforts and excellent reputation alone can't be enough to do the trick.

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  Nice looks, Sturdy construction, Fat low-end — typical Sennheiser, Not tiring, Rugged, Cable available as a spare part, Five-star comfort, Soft sound (even silky), Not very detailed

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  No accessories, Ear cup cushions not replaceable, Where are the high frequencies?, Heavy — you'll always know when you have them on, Bad value for money, Lack of details in the high-frequency range, Unbalanced frequency spectrum, Non-replaceable ear-cup cushions, Value for money, Lack of air, Cruel...

A stunning piece of kit that'll bring the very best out of your CD collection

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  Incredible sound quality whatever you throw at them, great build quality

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  Pricey, only for hi-fi nuts

I got my Sennheiser HD650s and immediately opened them and hooked them up to my FiiO X3 player and was wowed by the sound. I have never owned a serious set of headphones, and the sound (from classical music) I heard was a revelation: in 3D, with the instrument positions clearly audible and many,...

These are not cheap headphones. They are reasonably expensive but you will more than get what you pay for.

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  Amazing sound, all day comfort, value for money, cord length

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  Makes your other headphones sound bad, need an amp to get the most out of them

I have used a variety of Sennheiser products over the years, always impressed with their combination of form and function. These are the most comfortable headphones I have ever used, very good if you spend long hours "in the cans".

These headphones live up to the hype. As studio reference and mixing headphones, they're great. I quickly found many flaws in my mixes. However, they look and feel cheap. I know that they're designed to be light, but I'm afraid that I'm going to bend the metal and / or break the plastic.

Source: Lite-On DVD Combo Drive Audio CD's Headroom Ultra Desktop Amp with Max DAC USB from computer into mini USB on Amp / DAC Music: Cake ( Motorcade of Generosity ) Great vocals and right to left motion within the sound field Cake ( Pressure Chief ) Especially \"Wheels\" Awesome bass lines,...

Jus got the hd650's about 2 weeks ago...I've broken them in, and let me tell you, they are the closest thing to being at the recording studio with the band!! I mean, they sound so real, and authentic, that its unbelievable!! i mean, what can I say?

These headphones have a pretty good reputation among audiophiles so I figured that I would give it a try. The first thing I noticed is these are some huge headphones . I mean, I guess it’s expected since the audio drivers are high-end, but damn.

These headphones are great for mixing. They have a comfortable fit and feel.

Sounds quite good straight from 3.5 mm audio outputs (surprisingly good from an iPhone 6S, more than acceptable sound levels at 70% max output), and thought that was it. But amidst all the noise on the web about these cans, the need to drive them with enough wattage is true.

The HD 650's are the bang for the buck headphones running through a Schitt Bifrost multibit dac and Asgard 2 preamp. The 650's are detailed and clear. I also own Audeze's and B&O's. The 650's are my choice for clarity, comfort. and price. At $315 these headphones are a steal.