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Koss Porta Pro On Ear Headphones with Case, Black / Silver
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- Designed for deep bass performance
- Comfortable, secure fit with adjustable headband and multi-pivoting earplates
- Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear
- Collapsible for maximum portability, includes carrying case
- Connector Type: 1 x Headphones (mini-phone stereo 3.5 mm)
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From the manufacturer
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
- 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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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||Amazon.com||Amazon.com||Direct Distributor|
|Item Dimensions||2 x 6.81 x 8.94 in||2.5 x 6.5 x 6.5 in||2.38 x 7.25 x 5.69 in||7.2 x 10.2 x 2 in||6.69 x 3.15 x 7.48 in||—|
|Item Weight||6.4 ounces||3.2 ounces||6.4 ounces||4 ounces||7.76 ounces||—|
|Additional Features||foldable, lightweight||Sports-Style||ios-phone-control, lightweight, volume-control||volume-control||foldable||Noise-Cancelling-Feature|
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.
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.
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.
- Frequency Response: 15-25,000 Hz
- Impedance: 60 ohms
- Sensitivity: 101 dB SPL
- Cord: Straight, Dual Entry, 4 feet
What's in the BoxKoss Porta Pro Headphones
Top customer reviews
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+ 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)
- 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
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!
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.
I use these for serious music enjoyment (rock, classical, EDM, jazz) and for when I'm working out on the treadmill or elliptical (and for listening to television when I don't want others to hear me). They sound full and rich when powered only by an iPhone or my Macbook Air, but really come alive when played through my FiiO E10K USB DAC and Headphone Amplifier (Black). They rival my Sennheiser HD 598 Cs headphones, which cost three times as much.
Just before Christmas, 2016, after I'd owned these for nearly three years, they broke at the left hinge. I shipped them off to Koss with a check for $9.00 (plus about $6.00 postage) and received a brand-new pair in less than three weeks. Koss is definitely a reputable company. I like them so much (and I respect the company so much) that I'm buying a second pair to keep around as a spare.
The replacement pair that Koss sent me seemed to lack highs and mids, so I wrote to them and they sent me another pair, no questions asked. The new pair sound the same...not bad (PortaPros never sound bad), just lacking in mids. I think these cans have been re-designed to try to match the more popular bass-heavy Beats and other bestsellers.
The bottom line is that Koss stands behind their products and makes good on their lifetime guarantee.
These are without a doubt the best cans you can buy under $50, and compete well with $100 cans.
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