Description

The Koss SportaPro portable headphones offer portability, flexibility, and a headband designed to be worn either atop or behind the head. Equally well suited for use at work or on a jogging trail, the SportaPro’s open, foam-covered ear cups allow for ambient environmental sounds to be heard, which can be helpful in a recreational environment.
The SportaPro’s weight is a mere 2.2 ounces, and the headphones boast a frequency response of 15 to 25,000 Hz, delivering (on paper, at least) quite a bit more bass than most home speakers can. Impedance is 60 ohms, with less than a 0.2 percent distortion and sensitivity of 103 dB SPL (with a 1 mW signal).
The SportaPro stereophones are collapsible and come with a carrying case, as well as both 0.125-inch and 0.25-inch jacks. Koss covers the headphones with a lifetime warranty.
Technical Details
- 15 to 25,000 Hz frequency response
- Flexible headband design, fully collapsible
- Foam ear cushions for open sound
- Includes 0.125-inch and 0.25-inch stereo plugs

Users reviews:
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Amazon reviews:
-Very Disappointed in Koss
There is good tension on the metal headband but the way this is designed with foam rests make for a very comfortable fit. I have worn these for a number of hours straight with glasses without any discomfort.
This has a straight plug which I like as it does not interfere with the case for my iphone 3G. When a call comes in I just unplug the headphone and move the speaker off of my ear. I do not have to worry about breaking these as they are of a solid construction. Even if they did break, Koss provides a LIFETIME warranty though the cost of shipping is about 25% of what I paid. If these ever do break I may just buy a different pair but who knows.
To sum up, these are probably the best bang for your buck for over the head phones. They are not pretty though so if you are more concerned with looks than with good sound go buy something else.
As of this moment (hey, I've only had them for a few hours), they actually sound both slightly better and slightly worse.
THE GOOD:
1. Although Koss cans have a rep for being bassy (albeit in a very controlled fashion), I find the sportapros to have a flatter response from low to hi than the portapros, which clearly emphasize the bass.
THE BAD:
1. The portapros have a clear edge in the mids and highs. No contest. The portapros create a larger, more realistic soundstage. They are also undeniably LOUDER than the sportapros. You'll have to crank up the sports a bit to get optimal sound quality and volume.
THE UGLY:
1. These are hands down the UGLIEST, [...] ugly, fugly 'phones you will ever see or wear. I took a look at the phones on my head, in the cooler more hip strap behind the head position, and my heart sank. You WILL look like Lando Calrissian's assistant from The Empire Strikes Back (that's not a good thing, btw), whether you want to or not.
CONCLUSION:
1. outstanding sound for very little money. These are not true audiophile headphones, and neither are the portapros. The ports exaggerate bass albeit in controlled fashion, and the sports while having a flatter bass response, produces mids and highs which are not nearly as impressive.
I'll keep looking for the perfect price/performance/esthetics equation. Grados and Senns are up next...
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