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Koss SB 40

alaTest has collected and analyzed 79 reviews of Koss SB 40. The average rating for this product is 3.5/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. Reviewers really like the durability and microphone. The price and comfort also get good feedback. There are some negative reviews about the size and portability, and comments are divided on the reliability.

sound, comfort, price, microphone, durability

usability, portability, size

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the Koss SB 40 is awarded an overall alaScore™ of 74/100 = Good quality.

Review analysis

(Based on 79 reviews)

Expert Reviews  

User Reviews  

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Consumer review by: ( review summary for Koss SB 40


alaTest has collected and analyzed 63 user reviews of Koss SB 40 from The average user rating for this product is 3.3/5, compared to an average user rating of 3.9/5 for other Headphones on Opinions about the durability and microphone are on the whole positive. The price and comfort are also mentioned favorably. Some have doubts about the size and portability, and reviews are divided on the reliability.

sound, comfort, price, microphone, durability

usability, portability, size

70% of the reviews on give this product a positive rating.

This summary is based on the product: Koss SB40 Computer Headset with Microphone

Nov, 2015

Expert review by: Siddharth Bhatia (

Koss SB 40 Headset


Koss is a regular on our site and this time they have sent us something for gamers and frequent online communicators. It's a stout little headset called the SB 40, and is aimed at online gaming,

Dec, 2008

Consumer review by: Drew (

Great Headphones


Great sound! Awesome bass, and very comfortable!

The mic isn't that great, but for the price..great sound

Mar, 2004

Consumer review by: AKnicksFan (

head strap broke


The padded headband broke after only a couple of uses.

Aug, 2013

Consumer review by: CardinalBB (

good headphones/mic


I have better but more expensive headphones but for the price these are good. They are also very much noise canceling. I'm satisfied. I do wish the mic was of a higher impedance, it is a mismatch with one of my programs.

Jan, 2013

Consumer review by: bob7k (

Awesome and comfy for multiple hours of wear


Got these as a gift 2 1/2 years ago, and here i sit, wearing them on, these things were built to last.

Bass response, comfy, it has a mic, KOSS provides a lifetime warranty

You might be able to trip over the cord, as its very long

Apr, 2007

Product Specifications

Koss Corporation is known worldwide for its high-fidelity stereophones and headphones with boom microphones and audio accessories. The SB 40 stereophone features a dynamic microphone for hands-free communication from your personal computer. The dynamic microphone offers optimized pick up pattern and the closed leatherette ear cushions - maximum isolation and deep bass.

Audio Input

Microphone Form Factor:Built-in
Microphone Technology:Dynamic

Audio Output

Connectivity Technology:Wired
Headphones Form Factor:Ear-cup
Headphones Type:Binaural
Product Type:Headphones
Response Bandwidth:20 - 20000Hz
Sound Output Mode:Stereo

Audio System

Recommended Use:PC multimedia

Dimensions & Weight



Packaged Quantity:1
Product Line:Koss SB

Remote Control

Type: None

Service & Support

Type:Limited lifetime warranty