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by Sennheiser
3.8 out of 5 stars  See all reviews (45 customer reviews)
RRP: £349.99
Price: £290.00 & FREE Delivery in the UK. Details
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  • Invisible microphone for crystal-clear conversations
  • Direct cable option for use on airplanes, with an airline adapter included
  • Superb stereo sound neodymium magnets and patented duofol diaphragms for excellent sound reproduction
  • Sirs wow HD technology for wider, taller sound, with greater clarity and with a stronger bass
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Frequently Bought Together

Sennheiser MM 550-X BLUETOOTH HEADPHONES + Sennheiser BTD500 USB Bluetooth Transmitter
Price For Both: £334.99

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Product details

  • Product Dimensions: 22.6 x 9.9 x 17.5 cm ; 680 g
  • Boxed-product Weight: 739 g
  • Delivery Destinations: Visit the Delivery Destinations Help page to see where this item can be delivered.
    Find out more about our Delivery Rates and Returns Policy
  • Item model number: 504515
  • ASIN: B0076Z78AM
  • Date first available at Amazon.co.uk: 1 Jan 2012
  • Average Customer Review: 3.8 out of 5 stars  See all reviews (45 customer reviews)
  • Amazon Bestsellers Rank:
  • Click here for information about recycling electrical and electronic products

Product Description

Product Description

Sennheiser MM 550-X TRAVEL Bluetooth Wireless Headset with Noise Cancelling

MM 550-X TRAVEL Bluetooth Wireless Headset with Noise Cancelling

The state-of-the-art MM 550-X offers both a superior sound quality in an ultra-comfortable ‘around-the-ear’ design. Say ‘goodbye’ to the frustrations of cable tangle when you are travelling and already have too much to carry! Now you can relax, listen to music or take a phone call at the touch of a button even when in noisy environments such as airplanes or trains. The closed ear-piece design combined with Sennheiser NoiseGard active noise-cancellation ensures that outside noise is effectively reduced by up to 90%. There is also a handy ‘TalkThrough’ button for clear conversations without removing the headset. What’s more while delivering fantastic sound with any Bluetooth audio device, it also features the CD quality apt-X codec to deliver CD quality audio with any apt-X audio devices.

  • Superb noise-cancelling to reduce the drone of background noise
  • Unique surround sound function for more immersive listening, great for films
  • Padded, ‘around-the-ear’ cushions for excellent soft fit – perfect for long flights
  • Easy management of tracks and calls with on-ear controls and microphone
Learn more about the MM 550-X TRAVEL

The MM 550-X was designed as a larger full-size headset for supreme comfort and for those with larger ear shapes. You can now experience excellent audio without having the inconvenience of becoming tangled up with your rucksack or when you need to answer your phone. The ear cups are sealed to block out distracting noise and prevent noise leaking out to interrupt others. And there’s even more - you don’t have to take off the headset to talk to the flight attendant or fellow passengers, the MM 550-X TRAVEL also features a new one-touch ‘Talk Through’ button so you can order your drink without struggling to remove the headset!

Sennheiser MM 550-X TRAVEL Bluetooth Wireless Headset with Noise Cancelling
Folds easily into carry case for storage and transport
  • Sennheiser sound quality – hi-fi headphone drivers ensure superior dynamic range, detail and excellent bass
  • CD quality audio – featuring the apt-X codec, the headsets can connect wirelessly to any Bluetooth apt- enabled devices
  • Noise-cancelling clarity – NoiseGard reduces outside noise actively and lets users enjoy music in peace
  • TalkThrough – one press of a button turns on the external microphone so you can hold a conversation without removing the headset
  • Wireless freedom – Bluetooth 2.1 guarantees hands-free convenience without wires and the advanced A2DP profile delivers optimized hi-fi stereo sound
  • Blocks outside noise – due to closed on-ear headphone design, no sound leakage
  • Invisible high-performance microphone – for clear voice transmission
  • Option of connecting a cable – for going wired when you are on a plane or when the 10-hour battery runs out; an airline adapter is included
  • Easy headset controls – in one intuitive cluster. Simple call and music control – an in-line remote makes it easy to manage phone calls, to easily play/pause music* and change track* and to change the volume level
  • Wearing comfort – padded ear-cushions provide an excellent soft fit, even on long trips
  • Folds into a compact bundle for travel and storage - while the headband is metal-reinforced for durability
  • Flexible – replace the battery with a spare on long trips – or recharge it via the USB port on your laptop or the supplied lightweight wall charger with different plug fittings for Europe, the USA, the UK and Australia
  • Connect everywhere – to mobiles, laptops, MP3 players, or in-flight entertainment systems with an all-in-one headset solution

* Functions are phone and computer dependent

Did you know?

If you hold down the Bluetooth button when connected to an iPhone it activates the Voice Control so you can even select your tracks by name!

This is Sennheiser’s third generation of Bluetooth headsets and takes advantage of all the latest developments available in wireless technology.

The rechargeable battery is removable and should last for two years on average, depending on usage. It is called the BA 370 PX and is easily available. To fully charge the battery via USB or mains will take about 3 hours. You can then listen to music for a full 10 hours (8 hours if the noise-cancelling is switched on) or talk for 20 before having to re-charge!

To hear the full audio potential from your computer or audio device with a USB socket, Sennheiser recommends using the BTD 500 USB (a USB dongle accessory), to ensure the source is apt-X enabled

Sennheiser recommends this headset for...

... owners of the latest Bluetooth apt-X-enabled phones and laptops, such as more recent MacBooks, selected HTC or Samsung Galaxy music products, who would like to take advantage of their full audio capability. Also perfect for those wanting a high sound and build quality in a more convenient format.


The MM 550-X offers excellent compatibility with all Bluetooth apt-X-enabled mobile smartphone brands and computers.

Meet the Range

Product Details
MM 400-X
Product Details
MM 500-X
Product Details
Product Details
Wearing Style Closed-Back (Sealed) ‘On-Ear’ Closed-Back (Sealed) ‘Around-The-Ear’ Closed-Back (Sealed) ‘On-Ear‘ Closed Back (Sealed) ‘Around-The-Ear’
Supported Profiles A2DP + AVRCP + HSP + HFP, Codec: SBC, apt-X A2DP + AVRCP + HSP + HFP, Codec: SBC, apt-X A2DP + AVRCP + HSP + HFP, Codec: SBC, apt-X A2DP + AVRCP + HSP + HFP, Codec: SBC, apt-X
Noise-Cancelling No No Yes Yes + Surround Sound Function
Weight 105 g 179 g 105 g 179 g
Charging/Listening/Talk Time 3 Hours /10 Hours/20 Hours 3 Hours /10 Hours/20 Hours As MM400-X + Listening Time With Noise-Cancelling Reduces to 8 Hours As MM 500-X + Listening Time With Noise-Cancelling Reduces to 8 Hours
Frequency Response (Headphones) 15–22,000 Hz 15–22,000 Hz 15–22,000 Hz 15–22,000 Hz
SPL 107 dB 107 dB 107 dB 107 dB
Range Up to 10 m Up to 10 m Up to 10 m Up to 10 m

Product Description

The 5s in the name say it all. The MM 550-X TRAVEL is a 5-star flagship headset for Sennheiser‚€TMs award-winning Mobile Music series. In addition to the wrap-around luxury of big ear-cup design; it has the next-generation audio technology to deliver music and phone calls in superb Sennheiser sound quality ‚€" no matter how noisy your environment. NoiseGard‚"Ę 2.0 active noise canceling technology cuts out the background noise that can otherwise make it impossible to chat at normal volume in a busy airport terminal or relax with your music in a moving train. As an added benefit the MM 550-X TRAVEL enhances the latest apt-X¬ģ enabled mobile phones and computers with supreme CD quality sound.

- CD quality audio ‚€"Featuring the apt-X¬ģ codec; the headsets can connect wirelessly to any Bluetooth¬ģ apt-X¬ģ enabled devices; such as the new Apple computers; selected Creative and Samsung music products.
- Noise canceling clarity ‚€" NoiseGard‚"Ę 2.0 reduces outside noise actively and lets users enjoy music in peace.
- TalkThrough ‚€" one press of a button turns on the external microphone so you can talk to fellow passengers or the flight attendant without removing the headset.
- Wireless freedom ‚€" Bluetooth¬ģ 2.1 guarantees hands-free convenience without wires and the advanced A2DP profile for Stereo Bluetooth¬ģ delivers optimized hi-fi stereo sound.
- Invisible microphone ‚€" for crystal-clear conversations.
- Direct cable option ‚€" for use on airplanes; with an airline adapter included.
- Superb Sennheiser stereo sound ‚€" neodymium magnets and patented Duofol diaphragms for excellent sound reproduction.
- SRS WOW HD‚"Ę technology ‚€" for wider; taller sound; with greater clarity and with a stronger bass.
- Large comfortable ear cups ‚€" for complete relaxation and luxury in noisy surroundings.
- Easy headset controls ‚€" integrated track and volume cont

Customer Questions & Answers

Customer Reviews

Most Helpful Customer Reviews
16 of 17 people found the following review helpful
Verified Purchase
For the first time in 30 years of buying Sennheiser headphones, I find myself having to return a pair of Sennheisers for a refund. I'm a big Sennheiser fan; I currently have the HD 595 for the Hi Fi, the HD 380 Pro for work, the MM 450-X when mobile, and the PX 100-IIi as a spare. I've owned many others over the years.

I um'd and ah'd for several weeks before deciding to take the plunge and buy the MM 550-X, having mainly been influenced by the excellence of the MM 450-X - I wanted a larger version of the 450 with the same functionality.

First impressions
When they arrived, I paired them with the BTD 300i APT-X adapter plugged into the iPad and fired them up. Setting up Bluetooth devices is simple, as long as you look at the instructions first. I thought the sound was a little hollow immediately, but I just thought they'd need to be run in a bit. I thought the build quality was excellent, and they are very comfortable. I imagine they could be worn all day without discomfort.

NoiseGard: noise cancellation
I carried on experimenting with with the settings on different music types, and with different settings on and off, and the results were always the same: with NoiseGard turned on, the sound quality is more like AM radio; it was as if the life had been sucked out of the music. The only near-acceptable configuration for noise cancellation is when using a wired connection. This completely misses the point for travel headphones: many users will want to use them without wires, and having a wired connection prevents the use of the headphones for calls. In each case, NoiseGard seems to hollow out the sound, a bit like boosting mid-range frequencies while leaving bass and treble slightly down.
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4 of 4 people found the following review helpful
5.0 out of 5 stars Great headphones 6 Feb 2013
By Jamie
Verified Purchase
Best place to start with these headphones is the price point, its a little high but you do get exactly what you pay for.

The sound quality is excellent and the issue with volume actually is not a problem, at least not for anything I have used the headphones on, through bluetooth I simply max the volume on my phone / bluetooth dongle and then use the volume control on the headset, and the headphones actually hurt my ears on full volume I am forced to lower it down slightly. (I have sensitive ears but these are no means quiet.)

Wired the headphones run in two modes, wired passive (Battery on charge / turned off.) In this mode the audio is passive and though great quality the volume is limited by the power of your device attached and thus i found for phones and similar the volume though fine could not get loud enough and none of the extra features such as noise guard functioned. (However it does tell you this in the manual and was expected.)

Wired + power, turning the headphones on so they are active rather than passive allows the volume to reach ear hurting levels once again, and the sound is beautiful, you can now use the noiseguard feature and the SRS feature and the sound quality even with eveything enabled is amazing. (Sound quality is best without noise guard and srs, but in a noisey environment they are very useful and work brilliantly.)

Talking on the headset works wonderfully well and the headset itself is very light and covers your ears fully. The sound is the best I have heard over bluetooth reguardless of using APT-X or not, though when using the better codec the sound quality is just as good wired or wireless and these are an amazing peice of kit, so long as they are used properly.
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21 of 24 people found the following review helpful
Verified Purchase
I can't really add much that hasn't already been said, so for a more detailed review look at the others. This isnt ment to be a professional review, it's just my experience and opinions based on it.

First what i have connnected to using bluetooth;
Samsung Galaxy S2
HP touchpad
HP Pre 3
Sony PS Vita 3G
Acer Revo 3700 Nettop PC with a cheap dongle

I assume i would have no issue with my PS3 either i just havn't tried yet.

Some said about volume being too quiet, for me it is plenty loud enough, though i do find it does make a difference what your connected to in the first place, as some on that list were definately louder, Vita being one of the quieter ones or was when i was play MGS2 in the HD collection i have no music on my Vita to test. It was better however than my Vita constantly shouting out "Freeze" as i held up guards for their dog tags.

Had the headphones about 2-3 weeks now and not been able too use them too much due been busy at work, working 50+ a week over 6 days. I definately havn't been able to use a full charge yet, though i have been to town with them on one weekend and they were great.

Before i got these i was using my Vita earphones, and although they were often loud enough, i could always hear way too much of what was going on around me, and when your on the bus that can be annoying to put it mildly. Kids crying, parents yelling at them, all the things that turn a bus journey into a nightmare, all came through clear as day.

That first journey on the bus to town was when i knew even if paid £350 these were staying with me. Music playing at a comfortable level(probably no hearing damage caused :)) and i couldn't hear a thing, no kids crying, parents yelling, traffic or anything else.
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Most Recent Customer Reviews
5.0 out of 5 stars Five Stars
Published 3 days ago by CHAOYUE SHI
4.0 out of 5 stars they work rather well and certainly one of the best bluetooth wireless...
they work rather well and certainly one of the best bluetooth wireless headsets on the market. however volume is an issue as have mentioned prior, about the only thing letting this... Read more
Published 28 days ago by Maisam Lamsehchi
2.0 out of 5 stars Not good for travellers
Very expensive for what you get. I wish I hadn't bought them. If you fall asleep on an overnight flight and the headphones touch the seat headrest the headphones switch off and you... Read more
Published 1 month ago by bookfan
2.0 out of 5 stars Not Great
So you pay close to £300 for a set of wireless headphones.

Good points:
- The sound quality is good.
- The wireless feature is great. Read more
Published 1 month ago by Aaron Richard Reeve
4.0 out of 5 stars Very good sound quality
Very good sound quality, very comfortable for travelling and great Bluetooth features. Dropping 1 star as I find the headband is a little short and digs into head.
Published 1 month ago by Geoff
4.0 out of 5 stars A mixed bag of a head set.
It has taken me some time to come to a conclusion on the Sennheiser MM550X. They are a bit of a Curates egg, good in parts, as they can be Bluetooth, hard-wired, have Noise... Read more
Published 1 month ago by W. Birchall
1.0 out of 5 stars Oops they got it wrong.
The side buttons are hard to find when the phones are on your head. They are not in any intuitive place. The quality from the phones themselves is disappointingly dire. Read more
Published 3 months ago by Amazon customer
3.0 out of 5 stars Poor durability: does't travel well: headphone band snapped after <...
These were a gift for my wife who loved them but when they died before even a year was up, we were very disappointed. I myself found the sound pretty basic. Read more
Published 4 months ago by Amazon Customer
4.0 out of 5 stars Nice Headphone
Very convenient to use it during the the travel.

If you are looking for a travel headphone, this is perfect for you. Read more
Published 5 months ago by YUGUANG LI
5.0 out of 5 stars Fantastic bit of kit
I have looked at lots of headphones that I could control my ipod with, but nothing comes anywhere close to the Sennheiser MM550-X. Read more
Published 6 months ago by Stoker
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