Sennheiser HD 650

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Sennheiser has always taken its time developing its audiophile reference headphone line and ignore apparent audio industry demand to come out with "brand-new" products every single year. We feel their patience and persistence developing headphones has paid off handsomely. With the HD650, the music is so smooth and relaxed when it's supposed to be; so liquid-quick, so punchy on demand, so effortlessly competent you just fall worry-free into its lovely sonic embrace... Such a thing is the Sennheiser HD650. Its warm yet refined and impossibly seamless sound coupled with superb comfort has kept this can in the top echelon for years as one of the very best headphones available on the audiophile market.

Liveried in a slick deep gold-grey and gloss black look, these cans are largely the same headphones as the HD600 with a few quite noteworthy improvements. First and foremost, Sennheiser has improved the baffling damper for tighter acoustic control, and boy did that work nicely! The measurements of these headphones are as close to perfect as we've seen, and the sound is probably as close to perfectly neutral as we've heard from Sennheiser. The traditional Sennheiser sonic 'warmth' has been coupled to a clarity of detail in the HD650 that is hard to beat by most other reference-grade headphones. Design-wise, the earcup grilles on the outside of the earpieces have been made sturdier; those who have suffered a dented housing on their HD600's will likely be appreciative. A new velour headband pad design improves on the already legendary comfort of the HD650 headphones, and a slightly tighter tension on the earcup adjusters makes for a more secure fit. The HD650 cord has also been much-improved with a thicker OFC cable design terminated to a full-sized 1/4" plug. A short cable-style adapter to a 1/8" (3.5mm) mini-plug jack is handily included in the HD650 package. Although it's a decent mini-adapter, we still highly recommend getting the superb Cardas Audio 1/4"-to 1/8" adapter if plugging the HD650 into a source with small sensitive 3.5mm outputs. Overall, we definitely more than recommend these HD650 headphones: We say shell out big & cry once, but forever have world-class blissful audio at your ears! Though the HD650's re-designed Sennheiser cable is certainly better than the original HD600 stock cable, we continue to suggest the Cardas Audio upgrade cable for truly ultimate detail resolution, musical texture, instrument separation and soundstage clarity. The significant audio benefits of the Cardas Audio cable upgrade will be especially evident with 'reference quality' high-end audio sources. Please feel free to buy a Cardas Audio cord and compare versus the Sennheiser cord to determine for yourself the advantages. As always, our standard HeadRoom 30-day return/refund policy with zero re-stocking fees guarantees you'll like what you hear!

Winner of the 2004 Brutus Award!

2004 Brutus Awards: HeadRoom BlockHead Amp & Sennheiser HD650's