Koss Porta Pro

Basic Specs

Design On-ear
Physical attachment Vertical
Connection type Wired (3.5mm)

Recent News

No recent news about Koss Porta Pro.

Recent Discussions

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Tech Specs

Hardware

Color Black / Silver / Blue
Design On-ear
Physical attachment Vertical
Connection type Wired (3.5mm)
Wire length 4 ft

Audio

Impedance 60 Ω
Frequency response (low) 15 Hz
Frequency response (high) 25000 Hz

Recent News

No recent news about Koss Porta Pro.

Recent Discussions

No recent discussions about Koss Porta Pro.

8.0

Average User Review

of 6 total reviews
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  • Design 7
  • Sound quality 9
  • Comfort 8

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  • 7.0
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    Reviewed by kalikot (Currently owns)

    The Koss Porta Pros are such classic and timeless headphones. From the design to its classic dark and bassy sound signature, it's a hallmark of the audio industry and is still quite the popular seller.

    At this day and age though the Porta Pros are faced with stiff competition from alternatives such as the Sennheiser PX100-ii or the AIAIAI Tracks and V-Jays.

    They still hold up to the test of time but honestly, its modern competitors have already bettered it in terms of sound quality for the portable and foldable alternatives. Though they are still not far off when compared, engineering and modern technology has led the way to better sounding headphones for its price range.

    Yes I still own one but I cant help but prefer my Tracks nowadays. I handed it down to my brother knowing that he will appreciate the Porta Pros and its timeless design.

    Truly a marvelous headphone, but its not the end all be all if you widen your horizons

    The Breakdown

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    • Design 8
    • Sound quality 6
    • Comfort 7
    Show the rest of this review and the breakdown
  • 9.0
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    Reviewed by lecti (Currently owns)

    I've had PortaPro for over 10 years.

    Design-wise, it's far from the most beautiful headphone out there - the plastic looks cheap and the blue color is straight out of walkman age (regret not getting the_anniversary_edition). I never had to use the "comfort_zone" switch that controls the tension of the earpad (and transfers it to the temple instead), but I think just the temple pad helps a lot to make it very comfortable to use. Metal band is a very simple solution to making a reliable adjustable headband, but I should warn that adjusting it too much on your head is asking for trouble, as it tends to catch hair. I think I've replaced the ear and temple on the fifth year (the price of the replacement is very reasonable). While it looks cheaply made at first, it is surprisingly sturdy - as I've mentioned before, it gave me a decade of trouble-free operation through heavy use.

    If there is one thing that bothers me, it is the vestigial feature of metal screw where the mic boom is supposed to bolt on. I have never seen a mic boom that will fit on this headphone, so it's very useless to have one (other than providing tactile indication of Left/Right orientation). Of course, there was an announcement at CES that a phone-compatible version of PortaPro is coming out, which includes mic and audio control, so that could potentially satisfy my wish to use this as a headset at home.

    Good competitor for PortaPro is Sennheiser PX-100. I bought one around the same as PortaPro, and I also use it to this day. While PX-100 has excellent folding design and just as durable, I found that the sound to be less vibrant than PortaPro. Also, while PX-100 is better looking than PortaPro, it lacks the retro charm that PortaPro provides. On a more practical side, PX-100 lacks the temple support and is less comfortable to have on for a long time. Also, the replacement earpad for PX-100 is more expensive than PortaPro, as well as the fact that the cloth/foam cushions on the headband is not replaceable and will be almost useless and really dirty after a while, whereas all foams on PortaPro are replaceable and cheap.

    Koss made the right decision not changing the original design of PortaPro: not only does it save them R&D costs, looking at their other offerings gives me the impression that this was a design miracle for them (e.g., the hideous Sports edition). Because it is so easy and cheap to repair and replace, this headphone get daily use. The ugliness makes the headphone stand out and people who knows a thing or two about headphones recognizes it instantly. I highly recommend this to pretty much anyone as the basic headphone to have - I hope Koss keeps producing this classic headphone for many decades to come.

    The Breakdown

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    • Design 9
    • Sound quality 9
    • Comfort 9
    Show the rest of this review and the breakdown
  • 7.0
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    Reviewed by StevieRayAwesome (Previously owned)

    You might be thinking, how on earth could these headphones sound as good as everybody says they are, but still be so cheap? Easy answer: build quality.

    The headphones are basically two pieces of ear shaped plastic, attached to a flexible metal band that runs over your head. This design means that the headphones can be slid up and folded into a small ball, but you will quickly realise that they will catch your hair in them and tear hairs out every time you lift them off your head. Another flaw of this design is that they cannot be placed around your neck when not in use, as the metal band starts to retract, and will start to tighten around your neck, becoming increasingly uncomfortable.

    Finally, the Koss PortoPros came with a cable that wasnt the usual headphone jack that bent at at a right angle, instead it was the Apple headphone style where the cable joins the jack directly above where it inserts. As a result, it was also prone to the same issue that has plagued apple headphone users: it started to fray, and eventually the sound cut out. All of this, is in less than 2 months.

    Having said all of this, the sound quality is excellent for the price. They do leak alot of sound, and they are prone to breakage, but if they are able to fix this, they have an excellent budget headphone.

    The Breakdown

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    • Design 6
    • Sound quality 9
    • Comfort 8
    Show the rest of this review and the breakdown
  • 9.0
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    Reviewed by djodjo (Currently owns)

    I own my first Koss Porta Pro that I bought over 10 years ago, still, and listen daily to it.
    Meanwhile I did compare it thoroughly to all available major companies' competitors and even with their higher models up to 250 USD.

    I have not found any other headphone that:
    - gives a natural sound, not too groovy, not to thinny
    - is as comfortable as this light pressure-adjustable headphone
    - reliably works for years without cable or connector break or noise issues
    - can easily be maintained by exchanging all foram pieces with new parts, separately orderable at every Koss Dealer for low budget.

    Are there alternatives? Yes, of course, as there are different tastes:
    - B&W P5 for the really wealthy who give more buck for the style, than the sound
    - Sennheiser HD25, much more expensive for pro- musicians, mixers and DJs, beware there are different models with differing sound and built for the different purposes
    - AKG K-540, much more expensive or higher model, if you like a soft, fluffy sound and a nicer plastic style
    - Creative aurvana Live! at slightly higher price than the Koss, but with a good lively sound. Those are made as I heard under Fostex license (the pro's know Fostex well for excellent drivers). But that's a heaftier box on your ear, too much for many taking it outside. I use them at home switching back and forth between the two (Koss and Creative) for different use.

    So, if you're blindly buying one, you're not making a mistake if you choose the classic Koss Porta Pro. It's the classic for a reason.
    If you've got time and patience, look for shops with an exhausting choice and take your Player/Phone with you, with the best recordings you have and know. Do choose yourself.

    The Breakdown

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    • Sound quality 10
    • Comfort 10
    Show the rest of this review and the breakdown
  • 8.0
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    Reviewed by fEast91 (Currently owns)

    I recently did a review of this on Head-fi, and since I really put thought into that one, I will just copy it here. But here is a TL;DR version of it:

    If you're looking for a very affordable on-ear headphone and care more about the sound quality than looks, this is the one for you. Best bang-for-buck headphone I found so far, and wholeheartedly agreed in the largest audiophile forum ever, Head-Fi.

    Sound quality:
    Tight, clean and deep bass, relatively for its price, (coming from a non basshaed) that doesn't intrude on the vocals and the mids, and sufficient highs. The mids are a little bit recessed, but nothing too severe and vocals can still be heard even if its a bassy song. The highs can be a little bit piercing when in a loud environment as the bass is drowned by noise.

    Reasons for the score: Sound quality is relative to its price bracket. For around the $20-$50, it's quite a struggle to find this kind of quality, unless of course compared to discounted headphones from higher price brackets.

    Design and Comfort:
    I write this together as they go hand in hand.

    Knocked down on the design a bit because as a portable, it kind of fail, as they are of open-back design. Cannot give it a 8 because of that. Sound leaks in and out of the headphones. While still decent in semi loud environment (walking around, in a bus, on a newer designed electric train) it still is drowned out by loud noises and highly unsuitable for quite places (such as libraries, airplanes, etc.).

    But I can't give it a 6 though as the ComfortZone mechanism is brilliantly designed to relief the pressure from your ear to your temples. Defaulting on "Firm", there is also a middle ground setting and a "light" setting where the pressure goes fully to your temple. Mind you the pressure is not too clampy to begin with, but this is a great way to transfer pressure from the ears for prolong use. In my opinion, this really deserves the 8 score for comfort, even if it's an on-ear headphone.

    And apparently my attempt to copy my impression from Head-Fi exceeds the text limit.

    If anyone is interested in following my impression of it, here is the link.
    http://www.head-fi.org/products/koss-portapro-headphones-semi-open/reviews/6271

    Conclusion:
    Great affordable portable headphone. I recommend doing the "quarter mod" (it's in the link) if you are interested in getting a more balanced, yet still fun, headphone.

    The Breakdown

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    • Sound quality 9
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    Show the rest of this review and the breakdown
  • 8.0
    Show all User reviews

    Reviewed by theidel (Currently owns)

    I have owned my KOSS Porta Pro's for about 6 months and I love them. They have the smoothest, wide-range sound I've heard from any portable headset. They are sturdy, compact and have great bass. I have not found headset that is not an over-the-ear that reproduces bass so well. They accomplish it without losing anything else.
    What has to seal the deal and which not many people realize is the KOSS lifetime warranty. You have to check this out. There are all kinds of examples of where someone owned a headset for 5-10 years and they quit working for whatever reason and KOSS replaces them. You just need to pay shipping.

    If you are looking for an affordable over-the-ear experience, try out the DJ PRO100's. I have had them for a week and they are moving into first-place in my book.

    The Breakdown

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    • Design 8
    • Sound quality 8
    • Comfort 8
    Show the rest of this review and the breakdown
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