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Koss KSC9

Koss KSC9
alaScore 69

46 reviews

Feb, 2025

alaTest has collected and analyzed 46 reviews of Koss KSC9. The average rating for this product is 3.1/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. Comments about the bass quality and reliability are generally positive. The comfort and price also get good feedback, whereas many are negative about the size and design.

sound, price, comfort, reliability, bass quality

portability, design, size

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the Koss KSC9 is awarded an overall alaScore™ of 69/100 = Good quality.

Review analysis

(Based on 46 reviews)

1 expert reviews

User Reviews  

Showing 35 review(s)

Expert Reviews User Reviews

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Showing 1 - 35 of 35 Show Reviews: in English | in other languages (11)

Consumer review (amazon.co.uk)

Amazon.co.uk review summary for Koss KSC9

 

alaTest has collected and analyzed 7 user reviews of Koss KSC9 from Amazon.co.uk. The average user rating for this product is 2.9/5, compared to an average user rating of 4.0/5 for other Headphones on Amazon.co.uk. People really like the bass quality. The sound is also appreciated, whereas comments are divided on the portability. The size and price get negative comments.

sound, bass quality

design, price, size

57% of the reviews on Amazon.co.uk give this product a positive rating.

Feb, 2025

Consumer review (amazon.com)

Amazon.com review summary for Koss KSC9

 

alaTest has collected and analyzed 21 user reviews of Koss KSC9 from Amazon.com. The average user rating for this product is 2.9/5, compared to an average user rating of 3.9/5 for other Headphones on Amazon.com. Reviewers really like the bass quality and durability. The price and comfort also get good reviews. Many are critical about the design and size, while there are some mixed views about the reliability.

sound, comfort, price, durability, bass quality

portability, usability, size, design

67% of the reviews on Amazon.com give this product a positive rating.

Feb, 2025

Consumer review (radioshack.com)

koss= bad quality

 

the left earphone speaker fell out and then the other side stop working.

Rich Sound

Uncomfortable

Mar, 2008

Consumer review (radioshack.com)

Go with another product

 

I have used these in my Zune for only about a month and one of the earphone pieces fell out. I am going to try to glue it back in, but it should not be falling apart in a month. Also, don't be fooled by the "Lifetime Warranty" (which is the only reason...

Lightweight

Not Compatible

Feb, 2008

Consumer review (radioshack.com)

These headphones are a ...

 

These headphones are a bit confusing at first and they do slip some but once you get the hang of it they are great.

Jun, 2007

Consumer review (radioshack.com)

the headphones are only ...

 

the headphones are only alright. they are huge, confusing to put on at first, and the pair i bought broke around a month after i bought them

May, 2007

Consumer review (radioshack.com)

Im a big man with even ...

 

Im a big man with even bigger ears and i still couldnt get these to stay in place. There's better out there im sure.

Mar, 2007

Consumer review (radioshack.com)

Great set of headphones

 

Great set of headphones

Easy to use, Good performance, Good sound quality, Good Value

Mar, 2007

Consumer review (radioshack.com)

These headphones are ...

 

These headphones are superb. They provide good sound and excellent bass. I would recommend this to anyone looking for a reasonably priced headphones.

Easy to use, Good performance, Good sound quality, Good Value

Apr, 2006

Price comparison for Koss KSC9

No prices for this product