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Koss Porta Pro

alaTest has collected and analyzed 10665 reviews of Koss Porta Pro. The average rating for this product is 4.4/5, compared to an average rating of 4.0/5 for other Headphones for all reviews. Reviewers are impressed by the bass quality and portability. The comfort and price are also mentioned favorably. Many are critical about the noise isolation and reliability.

sound, price, comfort, portability, bass quality

reliability, noise isolation

We analyzed user and expert ratings, product age and more factors. Compared to other Headphones the Koss Porta Pro is awarded an overall alaScore™ of 85/100 = Very good quality.

Review analysis

(Based on 10665 reviews)

Expert Reviews  

User Reviews  

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Consumer review by: ( review summary for Koss Porta Pro


alaTest has collected and analyzed 1529 user reviews of Koss Porta Pro from The average user rating for this product is 4.3/5, compared to an average user rating of 4.0/5 for other Headphones on People are impressed by the durability and portability. The comfort and price are also mentioned favorably. Many are less positive about the soundstage and noise isolation.

sound, price, comfort, portability, durability

reliability, noise isolation, soundstage

89% of the reviews on give this product a positive rating.

This summary is based on the products: Koss Porta Pro On-Ear Headphones Classic, for iPod, iPhone, MP3 and Smartphone - Black/SilverKoss Porta Pro Stereo HeadphonesKoss Porta Pro On-Ear Stereo Headphones - Black

Nov, 2015

Consumer review by: ( review summary for Koss Porta Pro


alaTest has collected and analyzed 3401 user reviews of Koss Porta Pro from The average user rating for this product is 4.4/5, compared to an average user rating of 3.9/5 for other Headphones on People are impressed by the bass quality and portability. The comfort and price are also appreciated. Views are divided on the noise isolation. Many are negative about the reliability.

sound, price, comfort, portability, bass quality


94% of the reviews on give this product a positive rating.

This summary is based on the products: Koss PortaPro Headphones with CaseKoss PortaPro Headphones with CaseKoss SportaPro Stereo Headphones

Nov, 2015

Expert review by: J Keirn-Swanson (

The 10 Hottest Apple News Stories, The Week of May 25th


2012 Future US, Inc. All rights reserved.

My Book Thunderbolt Duo & G-RAID with Thunderbolt Review Flo puts these Thunderbolt RAIDs through their paces to see what the what they're all about. There's a clear winner here, but both pieces give you hella storage.

May, 2012

CNET Editors' Choice

Expert review by: Justin Yu (

Koss PortaPro (with Case) review: Koss PortaPro (with Case)


With so many funky headphone designs flooding the market right now, it's getting harder and harder to choose which one to buy. Instead of showing you the latest snazzy set of cans, we're taking you back in time to showcase the Koss PortaPros. These...

The Koss PortaPro Headphones combine a functional design with excellent 3D sound and a low price tag.

Hair gets caught in the collapsible band; some people will dislike the '80s aesthetic.

Koss hit a home run with the PortaPros. Love or hate the design, there's no denying the sound quality here: they're the ideal companion for mobile audiophiles and home theater enthusiasts.

Apr, 2008

Expert review by: Jasmine France (

Koss KEB24 review: Koss KEB24


In the realm of ultracheap earphones, Koss is a contender, offering an extensive selection of earbuds for 20 bucks or less. Falling just above that--but still in the affordable range--is the $24.99 KEB24 line. This Portable Isolation Earbud comes in a...

The Koss KEB24 Stereo Earbuds are inexpensive, offer plenty of bass, and are accented in a variety of colors for style points.

The cable of the Koss KEB24 is tangle-prone, and the earbuds may be uncomfortable for some users during extended wear. Some music sounds distorted or muffled.

For 25 bucks, the Koss KEB24 earbuds offer reasonable style, comfort, and sound quality. But these aren't the best headphones for every genre of music.

Dec, 2007

Expert review by: Chris Thomas (

Koss Porta Pro


Get to know the Koss Porta Pros, a set of bargain headphones that provide good audio in a portable package.

Great audio for the price.

Sep, 2012

Expert review by: (

Evil Dead 2: 25th Anniversary Edition


Just as with the first film, it's not long before the evil of the woods takes and possesses Linda, turning her into a horrifying, yet somewhat hilarious deadite. Ash then has to survive the night, which this time he succeeds (well, at least most of him...

One of the absolute best Horror/Comedies of all time ; Bruce Campbell as Ash. Hail to the King, Baby ; Sam Raim's creative and out of this world way of shooting a film is just mind blowing ; This is the best the film has ever looked and sounded ; An...

This movie deserved a digibook release! A digiNecromicon at that

Although some of the other features are from previous releases, they contribute nicely and help to round out a more complete package.

Dec, 2011

Expert review by: Bill Henderson (

Koss PortaPro 25th Anniversary Edition Headphones Review


In a perfect world, things come full-circle. From the redesigned, retro-styled Mustang and Camaro to vinyl albums, products can go out of style only to come roaring back. Such is the case with the Koss Porta Pro headphones. Well, sorta the case,...

Amazing sound for the price ; Retro Style

Too expensive compared to the regular Porta Pros ; Retro Style

Dec, 2010

Expert review by: Nathan S. (

B.o.B. - May 25th Mixtape


Who is Bobby Ray Simmons? I'm sorry, I mean who is B.o.B.? No, wait, I think it's; who is Bobby Ray? Like his music, B.o.B. has the potential to be many things: a chronically high Atlanta rapper, a singer who likes to perform onstage with an acoustic...

Apr, 2010

Expert review by: GoodSound! (

Koss PortaPro Headphones


There was a time when many people serious about their music disdained headphones. Those cans of yore were uncomfortable, didn't reproduce music as well as loudspeakers, and couldn't be worn unless they were clamped on your head while you sat staring at...

Sep, 2002

Expert review by: (

Koss Porta Pro Headphones


Consumer testers noted that Koss' Porta Pro pair was just mediocre in terms of comfort, and sound quality also earned middling scores in GHRI tests. But the headphones were the most portable of the bunch we tested, thanks to their fold-up design. Plus...

Expert review by: Roydon Cerejo (

Koss KEB40 Earphones Review


Koss, an American company famous for their Porta Pro headphones have officially made their entire line-up available in India. We've in fact reviewed the KSC75 clip-on earphones, which offered a

With a hefty price tag of Rs. 2,400, these are too expensive for the kind of performance they deliver. Earphones such as the SoundMAgic PL11s offer much better audio performance and are cheap at just Rs.550. What Koss have managed to create are some...

Oct, 2011

Product Specifications

First introduced in 1984, this high quality portable stereophone set performance and comfort standards for personal listening worldwide. Over the years, much to the delight of devout PortaPro enthusiasts, the company has preserved the original design and performance that made the PortaPro a portable music icon. Today the PortaPro remains the headphone of choice for the discriminating listener. Designed for those with refined musical acuity, the PortaPro continues to be the most requested headphone. The PortaPro features dynamic elements that deliver exceptionally rich, deep bass and a remarkably wide frequency response from 15-25, 000 Hz to capture every nuance in your favorite movie or musical performance. Constructed from Mylar, the elements are extremely rigid, minimizing mechanical distortion and ensuring exceedingly accurate sound reproduction. Neodymium iron boron rare earth magnet structures enable the PortaPro to deliver greater volume so you can hear every note, even when competing against the sounds of a commuter train with a low-voltage MP3 or disc player. Oxygen free copper voice coils improve signal transmission and conduction for cleaner, clearer sound. Foam earcushions provide an open, hear-through sound that lets you keep in touch with your surroundings perfect to wear while running, at work, or while traveling. Whether you're listening at home or on the go, the Porta Pro will bring the excitement of a live performance to any recording.

Audio Output

Connectivity Technology:Wired
Headphones Form Factor:In-ear ear-bud/Semi-open
Headphones Type:Binaural
Product Type:Headphones
Response Bandwidth:15 - 20000Hz/15 - 25000Hz
Sound Output Mode:Stereo

Audio System

Recommended Use:Home audio system / Portable audio system/Portable audio system

Dimensions & Weight



Packaged Quantity:1
Product Line:Koss/Koss PortaPro

Remote Control

Type: None

Service & Support

Type:Limited lifetime warranty