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Sennheiser MM 400

Sennheiser MM 400
alaScore 85

284 reviews

Apr, 2014

alaTest has collected and analyzed 284 reviews from magazines and websites. Reviewers really like the bass quality and design. The comfort and usability are also appreciated. Some have doubts about the reliability. There are some mixed opinions about the value for money.

sound, usability, comfort, design, bass quality


We analyzed user and expert ratings, product age and more factors. Compared to other Headsets the Sennheiser MM 400 is awarded an overall alaScore™ of 85/100 = Very good quality.

Review analysis

(Based on 284 reviews)

Expert Reviews  

User Reviews  

Showing 14 review(s)

Expert Reviews User Reviews
Showing 1 - 10 of 14 Show Reviews: in English | in other languages (23)

Staff Recommended

Expert review by:

Sennheiser MM 400 Bluetooth


Get a unique sound and a superior clarity

Higher quality when it comes to the clarity of the sound and that of the bass. It provides wireless freedom and the Bluetooth technology allows telephone connection

The microphone is not properly functioning and there are often delays at the level of the Bluetooth technology. Also, there are some controls that are not compatible with iPhone

While you get the feeling that you are only using headphones from time to time, the Sennheiser MM 400 Bluetooth headset still makes a great investment for those who long searched for the device that delivers great sound quality. The invisible...

Expert review by:

Sennheiser MM400 Bluetooth Stereo Headphones – Review


The other day I was having lunch with a good friend. He enjoys his gadgets as much as the rest of us and was excited to tell me about this latest acquisition. He had purchased a pair of Sennheiser MM400 Bluetooth stereo headphones and couldn't stop...

Consumer review by:

Amazon review summary for Sennheiser MM 400


alaTest has collected and analyzed 12 user reviews of Sennheiser MM 400 from The average user rating for this product is 3.5/5, compared to an average user rating of 3.7/5 for other Headsets on

value for money

92% of the reviews on give this product a positive rating.

This summary is based on the product: Sennheiser MM 400-X Wireless Bluetooth Travel Headphones


Consumer review by:

Overall a good product


Things that are great about it. Like it!!!

Good Sound","Good Volume Control","Lightweight

Disconnects","Spotty Signal

Consumer review by:

Good Quality -


Very happy with the sound quality for Bluetooth and for the price. Purchased a refurbished unit for 1/3 the $300 retail. Not sure I would feel the same if I paid full price. Took a while to pair the first time. I have seen this model referred to...

Consumer review by:



This item is super awesome i had a pair and they sounded awesome perfect bass and everything :):):):)

Consumer review by:

Sennheiser MM 400 Stereo Bluetooth Headset (Black)


this is awesome

Consumer review by:



Sennheiser is world renowned for their sound quality, and these headphones are no exception. Had no problem linking to my iPod Touch. The sound quality is slightly Bass heavy (only slightly), the controls will take alittle getting used to, but overall,...

Consumer review by:

Sennheiser MM 400 Stereo Bluetooth Headset (Black)


I have searched high and low for the right headphones that function properly and sound great, all within my budget. This is it! Sound is great, paired easily, functions well with my Galaxy S3 and is very comfortable. The only slight complaint I have is...

Consumer review by:

Sennheiser MM 400 Stereo Bluetooth Headset (Black)


i use it for my iphone and my laptop (with a bluetooth adapter), the sound quality is legit


Product Specifications


Display: No
Integrated Amplifier: No
LCD Display: No
Mute Control: No
Noise Cancellation: No
Sound System:STEREO
Switchbox from Telephone to Headset: No
Volume Control: No


Bluetooth: Yes

General Features

Compatibility:for 4 and more brands / Unknown
Form factor:Headband Headset
Product Type:Headband Headset
Type:Headband / Headband Headset