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Sennheiser MM 550 Travel Bluetooth Wireless Headset (Black/Blue) (Discontinued by Manufacturer)

4.0 out of 5 stars 113 customer reviews

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!Only Bluetooth 2.0
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  • NoiseGard 20 noise-canceling technology actively reduces up to 90% of outside noise
  • Stereo Bluetooth wireless technology delivers hands-free convenience and hi-fi sound
  • TalkThrough technology: one press of a button activates external microphone
  • Invisible microphone for taking calls in between play lists and songs
  • Neodymium magnets and patented Duofol diaphragms deliver excellent sound reproduction
1 new from $573.67 1 used from $469.73 1 refurbished from $227.50

Technical Details

Size: !Only Bluetooth 2.0 | Color: Black/Blue
  • noise-cancellation
  • microphone-feature

Product Description

Size: !Only Bluetooth 2.0 | Color: Black/Blue

With the MM 550 you can switch between calls and music -- delivered in superb stereo sound as only Sennheiser knows how-- without wires! Luxurious, around-the-ear cups powered by NoiseGard 2.0 eliminates up to 90% of background noise for an incredibly relaxing flight. A convenient TalkThrough function lets you carry a conversation with a seatmate (or teammate) at the push of a button. Selectable SRS surround simulation adds excitement and depth to your audio on-demand.

The invisible microphone ensures that you have the added convenience of taking a call without wires, or hassles-- without changing headsets. Using a closed, around-the-ear design to block ambient noise, the MM 550 is an ideal companion for the frequent flier or baller. Advanced DuoFol transducers provide the kind of detail and frequency response you would expect from Sennheiser. The easy-to-use control panel is intuitive and simple enough to operate with your eyes closed-- a common way of enjoying Sennheiser's world-famous sound quality.

The MM 550 folds up to fit in any carry-on. The replaceable battery charges via USB or a wall adapter. For situations where Bluetooth is not permitted, you can use the included audio cable for a direct connection- making the MM 550 at home in any situation where a super quality headphone is required.

Product Information

Size:!Only Bluetooth 2.0  |  Color:Black/Blue

Technical Details

Part Number MM 550 Travel
Item Weight 1.7 pounds
Product Dimensions 6.9 x 3.9 x 8.9 inches
Item model number MM 550 Travel
Size !Only Bluetooth 2.0
Color Black/Blue
Item Package Quantity 1
Special Features noise-cancellation, microphone-feature
Batteries Included? No
Batteries Required? No
Warranty Description 2 year parts and labor

Additional Information

Customer Reviews
4.0 out of 5 stars 113 customer reviews

4.0 out of 5 stars
Best Sellers Rank #7,487 in Electronics > Accessories & Supplies > Cell Phone Accessories > Bluetooth Headsets
#337,156 in Electronics > Cell Phones & Accessories
Shipping Weight 1.7 pounds
Domestic Shipping Item can be shipped within U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available October 20, 2010

Warranty & Support

Product Warranty: For warranty information about this product, please click here


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Customer Questions & Answers

Customer Reviews

Top Customer Reviews

By G. Hutcheson on May 1, 2011
Size: !Only Bluetooth 2.0Color: Black/Blue Verified Purchase
I've been using the MM550 for about 6 months now, including several international trips and it's performed superbly.

If you want a headphone that truly does everything, this is really it. Bluetooth works for video on the iPad/notebook/ then switch to the iPhone for seamless switching between music and phone calls. The detachable cable automatically switches off the Bluetooth, so it's easy on airlines. It comes with a world-battery chargers and also charges through USB. The TalkThrough function allows you to switch between the headphones an hearing whats going on around you (though I still find myself instinctively taking them off when someone wants to talk to me). The comfort is the best I've had, even better than the Bose QC3, which is very comfortable.

-- Noise Cancellation: As good as, if not better than my Bose QC3's, which was better than any headphones I ever had. What's nice about the Sennheiser's is that you can switch of the NC, which gives even better sound quality (if you're not in a noisy environment).

-- Sound Quality: Excellent! It reproduces everything very accurately. Crisp Treble with great Bass. I listen to everything from, rock, rap, blues, to classical, so I want a headphone that correctly interprets the output from the player, as this is how it was intended by the musician. I didn't want a headphone, as some do, that interpret the sound to one genre, such as excessive bass. These definitely fit the bill.

As with all NC headphones, the sound is best without NC. What's nice about these is that you have the option of switching off the NC.

-- Problems with not enough volume: Some user reviews complained that the volume was too low. This is obviously a big worry, so I was ready to quickly return them.
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Size: !Only Bluetooth 2.0Color: Black/Blue Verified Purchase
As background, I bought these headphones to replace a six-year-old pair of Bose QuietComfort 2 Acoustic Noise Canceling Headphones whose faux leather bits have literally disintegrated and also own a pair of Sennheiser HD-280 PRO Headphones.

I always loved the sound of the QC2s, particularly their great bass and fantastic noise-canceling ability. I've seen many reviews putting down their sound quality, but, as I'm an audio layman, they're the standard to which I compare other headphones. They're also the most comfortable cans I've worn, an area where the HD-280s fall far short. While the 280s sound good, I get a headache from wearing them for extended periods because the padding around the cans is not very soft and the headphones press very firmly against my head.

When I went looking for new headphones, I wanted something that sounded and felt as good as the QC2s. One thing I found annoying when travelling with them, though, is dealing with the cable. I found only a few headphones similar to the QC2s in terms of features that also supported bluetooth audio, and decided to give the Sennheisers a shot based on the company's reputation and my experience with the sound quality of the HD-280s. Choosing between this particular model and the older MX-450 was simple: I wanted to see what the latest tech would offer.

These are hands-down the best-sounding headphones I can remember -- if you leave noise-cancellation and SRS off.
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Size: !Only Bluetooth 2.0Color: Black/Blue Verified Purchase
Sound quality? I am not an audiophile, but I can hear a definite wider range with this headset than my other bluetooth headsets.

Sound Volume? I was worried when I read the others saying it was not loud enough. I'm not certain there is a problem. If it was louder it would be painful. I wonder if they knew you have volume controls on your app, on your pc and on the headphones themself. All of them maxed and its more than loud enough for me.

Comfort? Hmm. Its kind of tight. I've been playing with the strap. I think it might just need breaking in some. At least I am hoping I will feel a little less pressure once its been stretched out on my head a few times.

Bluetooth? It worked like a champ. I did not have to use the pairing code. My initial tests were on a pc.

Construction quality? Seems like tight well built materials.

Surround sound EQ? It has it. I could hear difference but I think I would need a surround sound input to tell if it really works. I'll assume it does.

Noise Cancellation? The button which controls this capability is shared with another capability. If you hold the button down for a long press it toggles noise cancellation. If you press it quickly, it toggles mute. For some reason the translation for this button is termed talk-back. I used this headset in a lab with a loud fan, and it was my true reason to buy these headsets. I am not impressed. Wearing the headset with no sound enabled muffles the fan noise because of the physical ear muffs. Enabling the noise cancellation feature does nothing to reduce the noise level. In fact, it introduces a new noise.
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