Koss PortaPro Classic Stereophone Headphone with 15-25,000 Hz Frequency Response

Koss

List Price: $49.99

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$39.36
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About Koss

Koss PortaPro is a Stereophone. 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 Porta Pro enthusiasts, original design and performance is preserved that made the Porta Pro a portable music icon.

Today the Porta Pro remains the headphone of choice for the discriminating listener. Designed for those with refined musical acuity, the Porta Pro continues to be the most requested headphone at koss.com. The Porta Pro 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 Porta Pro 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.

Koss Specifications

Frequency Response
15-25,000 Hz
Impedance
60 ohms
Sensitivity
101 dB SPL/1mW
Distortion
<0.2%
Cord
Straight, Dual Entry, 4ft
Warranty
Koss lifetime warranty

Reviews about this item

Reviewed by 2 customers

 
4.0

Unquestionable Value

By

from Los Angeles, CA.  -  Audiophile

Ordering my 5th pair of PortaPros. Previous either stolen or lost someplace. People want these. I have used my PPs anywhere. One day a seatmate on a flight asked to try them. Didn't get them back until just before landing. When you tell people what you paid for them, they strike incredulous poses. Drawbacks are ambient sound leakage, outdated style. But they are comfortable. And they deliver what you want. Great sound, especially for the price. Wearing a pair of cheap earbuds bought as a stop-gap, which are driving me crazy. Looking forward to receiving the PortaPros.

(1 of 1 customers found this review helpful)

 
4.0

Most BOOM for your buck

By

from Boston, MA  -  College Student

For the price range, these are arguably the best headphones out there. Koss has been making these bad boys since 1984 and for the most part, they're the same today as they were back then. One change is the plug is now straight up and down as opposed to a 90-degree angle, to adjust to the jack location on most modern devices. One drawback, however; the design hasn't changed since 1984. You might get some positive comments from people who dig the retro styling, but these headphones definitely have an '80s aesthetic. I personally don't mind it; I'm a function-over-fashion kind of guy, and boy do these things function. Not only are they super comfortable and easy to adjust, I haven't heard anything that sounds better in the 30-50 dollar price range; just know what you're getting into. If you're looking to listen to your collection of lossless ogg vorbis files, then these headphones will not deliver what you're looking for and you should probably step up to a higher price range. If you're listening to average quality mp3s or streaming audio on your smartphone, then the PortaPros will perform admirably; delivering clear sound at all registers, especially on the low-end. Excellent everyday headphones. Plus, lifetime warranty!

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