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AKG K551

alaTest has collected and analyzed 114 reviews of AKG K551. The average rating for this product is 3.6/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. People really like the bass quality and comfort. The design and price also get good feedback. Comments are divided on the durability. There are some critical views about the reliability and size.

sound, price, design, comfort, bass quality

size, reliability

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the AKG K551 is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 114 reviews)

Expert Reviews  

User Reviews  

Showing 34 review(s)

Expert Reviews User Reviews
Showing 1 - 34 of 34 Show Reviews: in English | in other languages (142)

Consumer review by: ( review summary for AKG K551


alaTest has collected and analyzed 30 user reviews of AKG K551 from The average user rating for this product is 3.9/5, compared to an average user rating of 3.9/5 for other Headphones on Reviewers are impressed by the comfort and usability. The portability and price also get good reviews. Some have doubts about the size, and there are some mixed opinions about the durability.

sound, price, portability, usability, comfort


80% of the reviews on give this product a positive rating.

This summary is based on the products: AKG Reference-Class Over-Ear Headphones with In-Line Microphone - Black/SilverAKG K551 Reference-Class Over-Ear Headphones with In-Line Remote and Mic - WhiteAKG Reference-Class Over-Ear Headphones with In-Line Microphone - Black/Silver

Jul, 2015

Expert review by: (

AKG K551 Review


For closed back headphones the AKG K551 is surprisingly open and airy. The precision and clarity on the K551 is through the roof. The AKG K551 sticks to its reference monitoring legacy to the tee. However, if you want your 20 to 150 KHz space bumped...

Surprisingly open and airy for closed back cans, Great clarity, Eye catching design

Big and chunky - not really portable, Folds flat, but not further

Jan, 2014

Expert review by: Chip Chick (

Harman’s AKG Reference K551 Over-Ear Review


I'm proud to announce I now have a new go-to pair of headphones (for this week anyway…). For someone who doesn't mind big headphones, I feel these AKG K551s are just about as good as headphones get. With their lightweight and thin profile, they don't...

Great design, Good seal, Comfortable, Light, ControlTalk + Mic, Phenomenal sound stage and audio quality, Durable, Clear right and left ear cup indicators

Cable is not removable, break in period, and headphone plug will be incompatible with most iOS cases. Expensive. No travel case. Low on bass and size of ear cups may not be suitable for all

Apr, 2013

Expert review by: Jeremy Horwitz (

Reviews: AKG K551 Reference-Class Over-Ear Headphones With In-Line Microphone


Normally, the arrival of a pair of high-end headphones would be cause for some excitement around our offices—it’s always interesting to see what an audio company can do when it’s less constrained by price considerations and able to...

If there’s any modestly bright spot in K551, it’s the three-button remote, which is the only part that works as expected. It’s basically identical to the latest Apple remotes in functionality, button, and microphone performance, with the mic hole...

Mar, 2013

Expert review by: (

AKG K551


Smashing all-rounders that really sing

Spacious sound ; Well balanced ; Very detailed

Big and not foldable ; Not exactly portable

Product Specifications


Active Noise Cancellation: No
Display: No
Dolby PL / AC3: No
Earclip: No
Integrated Amplifier: No
LCD Display: No
Mute Control: No
Neckband: No
Sound System:STEREO
Volume Control: Yes


Bluetooth: No
Connection:3.5 mm Plug

General Features

Compatibility:Not Applicable
Ear Canal Headphone:Not Applicable
Form factor:Headband Headset
Product Type:Headband Headset / Headphones
Signal Connection:Wired