Thousands of reviews already posted, so I'm sure it's all been stated. I've owned them for about a year now. I listen to all kinds of music with them on my smartphone and laptop. My pros, cons, and conclusion below:
Pros +
+ great overall sound quality, probably unbeatable at this or even double this price
+ potent but not overbearing bass; fairly neutral mids and highs; no listening fatigue
+ comfortable and secure fit (I have a big head); they stay put moving around, jogging, working out
+ continuously adjustable headband (no notches) helps achieve ideal fit
+ on-the-ear design with soft pads so ears don't get warm/hot
+ foldable for portability
+ open back design makes it sound more like listening to speakers in a room instead of music just focused inside your head
+ open back design lets outside sounds in so you're aware of surroundings (great for jogging)
+ lifetime warranty (haven't used yet; if you're careful, these shouldn't break)
Cons -
- bass doesn't extend super low; not much bass output below about 50 Hz
- for electronic and rap/hip-hop music, lack of very low bass is an issue with SOME songs. MOST songs sound fine.
- open back design will leak what you're listening to into the nearby environment
- headband may occasionally pull a hair; adjust the band BEFORE placing on head and do not adjust while on head to prevent this
- occasionally a small hair may get stuck inside the driver causing a slight rattling noise; gently remove earpad and blow out the hair to fix
- earcups pivot slightly for comfort, but mine developed a creeky noise when pivoting in the left earcup; sometimes audible during listening
Conclusion:
These are by far the best sounding headphones I've heard anywhere near their price range. I honestly think you'd have to spend at least 2-3 times as much to get better sound. They are also the most comfortable headphones I've ever worn: very adjustable, ears don't get hot, stay firmly put with just the right amount of pressure. It's easy to see why they've been around for about 30 years and their design hasn't been significantly changed. "If it ain't broke, don't fix it" applies here. Very highly recommended. Please let me know if you found this review helpful by voting on it. Thanks!
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Koss Porta Pro On Ear Headphones with Case, Black / Silver
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From the manufacturer
Overview
The acclaimed Koss Porta Pro has set performance and comfort standards for personal listening worldwide.
- Cord: Straight Dual entry 4ft
- Distortion: < 0.2%
- Impedance: 60 Ohms (at 1kHz)
- Plug: 3.5mm/6.4mm
- Sensitivity: 101 dB SPL/1mW
- Weight: 60g
Porta Pro on Ear Headphones
The acclaimed Koss Porta Pro has set performance and comfort standards for personal listening worldwide. Designed for those with refined musical taste, the Porta Pro continues to be one of the most popular headphones around the world.
Known for its high-level of comfort, the Porta Pro has adjustable temporal pads to relieve pressure on the ears. Its lightweight, open-air cushions for hear-through sound keep listeners aware of their surroundings while delivering exceptional sound. The oxygen free copper voice coils and dynamic elements allow the Porta Pro to deliver rich bass and a remarkably wide frequency response.
Whether you’re listening at home or on the go, the Koss Porta Pro delivers all the excitement of a live performance.
The Ultimate Portable Headphone
Key features
- The ultra portable on-ear headphones
- Comfort Zone setting on temporal pad for comfortable secure fit
- The ultimate active headphones with a collapsible headband design for protective storage
- Dynamic element for extended frequency response
- Oxygen-free copper voice coils deliver deep bass and signal clarity
- Includes a convenient carrying case for protective storage
- Covered under the Koss Stereophones Limited Lifetime Warranty
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| Customer Rating | (5618) | (1850) | (6090) | (99) | (56471) | (2704) |
| Price | $34.99 | $29.99 | $18.50 | $59.99 | $9.99 | $19.29 |
| Shipping | FREE Shipping. Details | FREE Shipping. Details | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping. Details | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime | FREE Shipping on orders over $25.00 shipped by Amazon or get Fast, Free Shipping with Amazon Prime |
| Sold By | Koss Stereophones | Koss Stereophones | Amazon.com | Koss Stereophones | Amazon.com | Koss Stereophones |
| Color | Black/Silver | Clear | White/Gray | Black | Black | Black, Silver |
| Fit Type | On-Ear | on-ear | On-Ear | On-Ear | On-Ear | On-Ear |
| Item Dimensions | 6.81 x 2 x 8.94 inches | — | 6.5 x 2.5 x 6.5 inches | 2.01 x 8.94 x 6.81 inches | 5.87 x 1.81 x 7.87 inches | 10.2 x 7.2 x 2 inches |
| Item Weight | 2.79 ounces | — | 1.52 ounces | 0.64 ounces | 4.76 ounces | 4.00 ounces |
| Special Features | foldable, lightweight | Microphone, Adjustable headband, Lightweight | Sports-Style | In line microphone | foldable, lightweight, tangle-free-cord | volume-control |
Product description
Color:Black/Silver
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Style:On-Ear Headphone
Product Description
Dynamic element design for deep bass performance; Comfort zone setting on temporal pad for comfortable, secure fit; Multi-pivoting earplates and adjustable headband for added comfort; Collapsible for maximum portability when listening on the go; Includes convenient carrying case; Straight, dual entry 4 foot cord; Frequency response: 15-25,000 Hz. It is not meant for noise isolation. If volume too low, the listener should turn the volume up. This is handled through the device that the headphones are plugged into. The headphones do not have volume control
Amazon.com
Koss introduced the PortaPro headphone back in 1984, and they've been a hit ever since. To this day, they still deliver excellent sound quality, particularly for phones in this price range.
Phones are collapsible, for maximum portability.
Get just the right amount of pressure.
The Koss PortaPro collapsible stereophone combines high-quality sound reproduction with a unique design for the ultimate in convenience and comfort. These over-the-head headphones have a dynamic element design for deep bass performance and a frequency response of 15 to 25,000 Hz to ensure the music comes through clear and bright.
Also designed for comfort, these headphones have two adjustable temporal-comfort zone pads to shift the pressure and perfectly balance the ear plates on your ear. The open-earphone ear plates are multipivoting and, together with the adjustable headband, allow for maximum comfort.
The PortaPros are collapsible and come with a carrying case, so it's still easy to take them with you even when you're not wearing them.
Koss offers a lifetime warranty on its PortaPro stereophones.
Specs
- Frequency Response: 15-25,000 Hz
- Impedance: 60 ohms
- Sensitivity: 101 dB SPL
- Cord: Straight, Dual Entry, 4 feet
What's in the Box
Koss Porta Pro Headphones
Customer Questions & Answers
Customer reviews
Top reviews from the United States
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Reviewed in the United States on October 26, 2015
Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
Reviewed in the United States on January 8, 2017
The latest pairs appear to be manufactured differently; they have issues with sliding the plastic tabs over the metal strap, popping and muddled sound, and a plastic cover where the screw was on the left can. I had assumed initially that this was a change in the manufacturing process, that is until I received a pair of the special edition Koss PortaPros that were recently release, which were identical to my previous pairs in every way except the color-way. So either the generic colors are being manufactured differently or the headphones I have received are not authentic.
I will say these headphones are usable, though having owned multiple pairs the pairs I have received do not live up to my expectations. My review for the previous pairs of headphones would be 5 stars, unfortunately the latest pairs I have received do not deserve the same rating.
I have attached photos comparing the build quality of a previous pair I own to that of what I received from Amazon. You'll notices differences in the molds used to cast parts of the headphones. These capture some of the issues but its hard to explain the feeling of what appear to be tight manufacturing tolerances and warped plastic.
Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
New Manufacturing or Fake PortaPros
By Amazon Customer on January 8, 2017
I love PortaPros but the past 2 pairs I have ordered from Amazon do not match the quality of previous pairs I have owned.By Amazon Customer on January 8, 2017
The latest pairs appear to be manufactured differently; they have issues with sliding the plastic tabs over the metal strap, popping and muddled sound, and a plastic cover where the screw was on the left can. I had assumed initially that this was a change in the manufacturing process, that is until I received a pair of the special edition Koss PortaPros that were recently release, which were identical to my previous pairs in every way except the color-way. So either the generic colors are being manufactured differently or the headphones I have received are not authentic.
I will say these headphones are usable, though having owned multiple pairs the pairs I have received do not live up to my expectations. My review for the previous pairs of headphones would be 5 stars, unfortunately the latest pairs I have received do not deserve the same rating.
I have attached photos comparing the build quality of a previous pair I own to that of what I received from Amazon. You'll notices differences in the molds used to cast parts of the headphones. These capture some of the issues but its hard to explain the feeling of what appear to be tight manufacturing tolerances and warped plastic.
Images in this review
Reviewed in the United States on November 19, 2016
Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
Top reviews from other countries
Technikfan
Der Klassiker - einfach unschlagbar!
Reviewed in Germany on April 6, 2019Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
Der Klassiker - einfach unschlagbar!
Reviewed in Germany on April 6, 2019
Ich kann zu diesem Kopfhörer eigentlich nur folgendes sagen:Reviewed in Germany on April 6, 2019
Positiv:
- Toller, definierter Klang.
- Klassisches Design.
- Guter Tragekomfort.
- Sehr leicht.
- Gutes Preis-/Leistungsverhältnis
Negativ:
- Haare können konstruktionsbedingt ab und an "eingeklemmt" werden.
Für mich einer der besten Kopfhörer auf dem Markt und auch aus preislicher Sicht sehr attraktiv.
Ich vergebe fünf Sterne, da der Kopfhörer aus ganzer Linie überzeugt hat!
Über ein nützlich würde ich mich sehr freuen, wenn euch meine Rezension gefallen hat.
Images in this review
abdel106
10 ans et toujours fonctionnel !
Reviewed in France on June 4, 2017Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
10 ans et toujours fonctionnel !
Reviewed in France on June 4, 2017
Casque achete sur amazon il y a une dizaine d'annees et encore fonctionnel si ce n'est les moussez des oreillettes qui ont commence a se desagrege.. incroyable qualite / durabilite et un son toujours aussi riche...Reviewed in France on June 4, 2017
Update 2017 : marche toujours. Je l'ai comparé pendant une heure a un Beats a 250 Euro, un SONY a 150Euro , un AKG a 170 Euro et un Marshall Major 2. Sur divers morceaux (pour les curieurs Quincy Jones / Chris Rea / Stevie Wonder et Phil Collins "it dont matter to me", ce dernier étant mon maître étalon testeur depuis quelques temps). Le tout sur un Note 8.
CROYEZ LE OU NON : le KOSS l'emporte sur toute la ligne, que ce soit en rendement (le plus de dB a volume egal), en richesse des basses, en amplitude et en musicalité. C'est si a peine croyable que je suis revenu poster pour encourager la marque.
Update 2021 : fonctionne toujours ! Ça fait 14 ans ... La photo est celle d'aujourd'hui.
Images in this review
Daniel Martin
Good sound quality at this price point
Reviewed in the United Kingdom on June 4, 2021Color: BlackStyle: On-Ear HeadphoneVerified Purchase
BC65
Le dernier sera le bon ?
Reviewed in France on May 18, 2013Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
Tobias B.
Vorsicht: Support unterirdisch
Reviewed in Germany on October 11, 2019Color: Black/SilverStyle: On-Ear HeadphoneVerified Purchase
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