Roundup: 16 Headphones : Sennheiser MX 660

By Digital Versus, published on June 27, 2009
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17. Sennheiser MX 660

Cable Storage

The MX 660s come with a rubbery frame in black plastic. It took us a while to work out what it was for, but you pop each headphone into a special hole and then wrap the cable around the outside.

It's a reasonable enough idea, but a hard case, like the ones Sennheiser used to supply, would have been preferable.

The MX 660s from Sennheiser are the descendants of a long line of headphones that have proven to be enormously popular.  This latest version includes several new features, some of which are more welcomed than others.

No More Solid Case

The MX660s are fairly comfortable to wear, like most traditional headphones.  Once you've added the foam pads, each headphone stays firmly in place in your ear and shouldn't fall out during sudden movements.  In black and silver, the MX 660s are discreet, which is something of a blessing, as, close-up, they look a little cheap.

The least welcome change on Sennheiser's part is the decision to swap the hard plastic case for an imitation leather that looks like a small purse.  Your headphones will almost certainly do better inside the pouch than thrown into the bottom of a backpack or shoved in a pocket, but for high-end headphones, you could do a lot better.

Loud and Clear

The MX series has always been known for excellent sound quality, and these MX 660s don't disappoint.  The treble is very clear, as is the mid-range, but neither dominates.  It's true that the bass is a little weaker than it could be, but overall the audio experience is impressive, and easily trumps a lot of entry-level in-ear headphones.

The MX 660s aren't bad headphones; in fact, they're very good.  But when you know Sennheiser's capabilities, it's reasonable to expect a little more.

Sennheiser MX 660
PlusesMinuses
  • Sound quality even overall
  • Treble clear without being agressive
  • Good fit in your ears
  • Bass less strong
  • Soft pouch instead of hard case
These are great headphones--it's just a shame that Sennheiser has decided to no longer supply a case that matches.


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Comments

kyosho 06/27/2009 8:58 PM
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Finally, as a general rule of thumb, you'll probably spend around half as much to get a pair of in-ear headphones that's as good as the equivalent regular on-ear headphones.
They must have meant half again as much?

Anonymous 06/27/2009 10:11 PM
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Where are the regular head phones reviews. All we get are buds and in ear headphoes, where are the regular ones that you lead into your article with a picture of?

Wasted my time as i dont like buds....bleh.

twisted politiks 06/27/2009 11:57 PM
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what about shure? probably the best in ear headphones on the market

Silluete 06/28/2009 4:26 AM
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twisted politiks :
what about shure? probably the best in ear headphones on the market


agree , but also one of most expensive one

omnimodis78 06/28/2009 6:06 AM
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I didn't read the article, and after looking at the list of products "reviewed" I guess there's not much room for variety. Like so many stuff out there, it's so relative! What might sound amazing to me might sound like crap to you. Besides, you can use the $20 headphones, and with decent equalization and moderate playback volume, after a few hours of listening it will sound great. Try it...

acherimoya 06/28/2009 6:09 AM
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I can make two additional recommendations for headphones with which I've been completely satisfied:

- Yuin PK3. Earbuds, hard to find in the US, sound quality equal to many full size cans. Good bass, fantastic mids and highs, great definition in the highs. About average comfort. $39, and best most earbuds you'll find for less than $150.

- Koss KSC75. Open over ear with earclip. Incredible sound, great bass, good highs (highs could be better). Overall great sound profile. $12-18 with sound better than just about any in-ear or earbud you'll find for a reasonable price, and give more expensive over ear phones a run for the money. Everyone should own at least one pair of these classics.

As you can tell, I'm a bargain shopper.

gmoney69 06/28/2009 6:22 AM
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This review seems slanted.. no Shure, no Ultimate Ears? Two of the best brands out there. Also, no Skull Candy, not the best but very popular (and affordable)... Then they throw in M-Audio and Cardo 'over the ear' cans? Headphone and earbud reviews should be separate, totally incomparable experience (not to mention there are many other over the ear cans not mentioned). Also, the only buds that get 5/5 have links directly to amazon in the body of the review. Its like an article to pit 16 random products together to put one on top. It's a paid advertisement. This is an incompetent article. WTF Tom's?

Spanky Deluxe 06/28/2009 12:00 PM
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What about Shure? The SE210 is probably the best value high quality consumer head phone set out there. Absolutely superb headphones and from a brand that I'd trust more than a lot of the ones already included in the review.

Anonymous 06/28/2009 5:21 PM
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The whole Sennheiser in ear series requires a long burn (playing music/test tones at a moderately loud volume continuously) in period. I have the IE8 and the review does not do the final product justice. The IE8 benefits from at least 250+ hours, but they keep improving even after 400+ hours. The overpowering bass is greatly reduced leaving a warm, fun headphone with excellent detail, treble extension, controlled yet powerful bass that doesn't intrude on the other frequencies, and the widest soundstage (headstage) of an in ear headphone.

One of the best bang for the buck headphones though is the NuForce NE-7m for $50.

Tomsguiderachel 06/28/2009 6:44 PM
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gmoney69 :
This review seems slanted.. no Shure, no Ultimate Ears? Two of the best brands out there. Also, no Skull Candy, not the best but very popular (and affordable)... Then they throw in M-Audio and Cardo 'over the ear' cans? Headphone and earbud reviews should be separate, totally incomparable experience (not to mention there are many other over the ear cans not mentioned). Also, the only buds that get 5/5 have links directly to amazon in the body of the review. Its like an article to pit 16 random products together to put one on top. It's a paid advertisement. This is an incompetent article. WTF Tom's?


This is not a paid advertisement.

Tomsguiderachel 06/28/2009 6:45 PM
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For all of you asking why certain products were not included in this roundup, I ask that you please read the introductory paragraph at the top. We only included products where we had a review unit to test. We cannot test a product we do not have on hand.

lapalm 06/28/2009 7:54 PM
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Thanks for you article. And it's a good thing to keep it in a state of "work in progress". Definitely looking for updates.

The_Blood_Raven 06/29/2009 6:00 AM
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TERRIBLE selection.

No Ultimate Ears, no Etymotic, no Shure, no Westone, just overpriced junk with the slight exception of SOME the sennheisers.

I usually don't bash articles but this is a comparison of all the crappy overpriced earphones and IEMs on the market, I'm surprised there is no BOSE!

The_Blood_Raven 06/29/2009 6:04 AM
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Tomsguiderachel :
For all of you asking why certain products were not included in this roundup, I ask that you please read the introductory paragraph at the top. We only included products where we had a review unit to test. We cannot test a product we do not have on hand.



I understand this well enough, but you can not exclude the GOOD products in a product survey. You might as well do a CPU roundup with only VIA CPUs.

Anonymous 06/29/2009 10:28 AM
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Sennheiser earphones has to be listened for some hours to get the optimum sound quality and a warmer sound out of them, did you take this into account?

smallcaps 06/29/2009 7:05 PM
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unfortunately out of the packaging the Sennheiser IEx series will sound terrible because they are dynamic driver type headphones. after about 100 hours or so of burn-in time, they will beat everything on this list by SQ alone. this review is generally ill-informed and amateurishly approached. i would check out more dedicated communities for headphone reviews such as head-fi.org

Tomsguiderachel 06/29/2009 7:32 PM
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The_Blood_Raven :
I understand this well enough, but you can not exclude the GOOD products in a product survey. You might as well do a CPU roundup with only VIA CPUs.


Yes, we can. When we get more products in, we will review them too.

Tomsguiderachel 06/29/2009 7:34 PM
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smallcaps :
unfortunately out of the packaging the Sennheiser IEx series will sound terrible because they are dynamic driver type headphones. after about 100 hours or so of burn-in time, they will beat everything on this list by SQ alone. this review is generally ill-informed and amateurishly approached. i would check out more dedicated communities for headphone reviews such as head-fi.org


It sounds like you're in the market for very high-end, expensive headphones (audiophile quality). This review doesn't include any of those, so far, so you'd be better off for now doing research at another site.

Greg_77 06/30/2009 5:54 AM
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I agree with smallcaps,you need to burn in dynamic driver earphones for them to show their full potential. Many dynamic earphones won't start sounding good until over 50 hours of burn in. Balanced armature earphones don't require burn in, giving earphones such as the Q-Jays an advantage in this group comparison. If you are going to review earphones you need to learn their differences. If you are not willing to take the time and learn the basics behind comparing earphones, you should not do it at all. And,fyi, head-fi.org may feature some very pricey earphones, but they also review earphones within the price group represented by your sample.

The_Blood_Raven 06/30/2009 7:24 PM
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Tomsguiderachel :
It sounds like you're in the market for very high-end, expensive headphones (audiophile quality). This review doesn't include any of those, so far, so you'd be better off for now doing research at another site.



The Senns IE 7/8s are audiophile quality as well as the klipsch custom 3.

You should contact more companies for more earphones, like these:
Ultimate Ears, Shure, Etymotic, Westone, exct.

This article is a good first step, Tom's really should get into audio more.


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