Rating: 
Summary: Execlent, samll, and sound great
Review: These are some of the best headphones i have ever heard. I have some gigantic 'full size' sony headphones, and they are like, i don't know, uhhh Fiddy bucks, and they have good sound quaility. I truley believe these are better. And i listen to lots of metallica, so i headbang to it, and these stay in place. Another thing, the Sony Neakphones, cost more money, and they hurt! After a while, they really cause pain. These don't. they are awesome.Recomended without Reservation (really really good)
Rating: 
Summary: Why I didn't like this headset.
Review: at first i thought it was spectacular. great sound, great idea. then after about the end of one audiobook it shorted out. i had to spend money on a new headset. i was very disappointed. i thought everything i would need for my mp3 would be sent and usable. i feel that even though i got a great deal on my mp3 and audiobook membership that i was cheated.
Rating:
Summary: Giant Killers
Review: The Koss KSC-50s, along with the other Koss headphones that use the PortaPro drivers are truly giant killers. These include the KSC-50, KSC-55, KSC-35, Porta Pro, Sporta Pro, KTX Pro, and also some Radio Shack models. Most cheap headphones sound terrible, but I find these quite enjoyable. I use them when I don't want to take my Sennheiser HD600s out, and while they don't compare to the Senns, they are very plesant to listen to. First comes the bass. Bass is very good for an inexpensive headphone. While they won't play as deep as a good subwoofer, they play much deeper then most cheap headphones I have tried, and the upper bass is not very boomy (Most cheap headphones have exaggerated upper bass to make them sound like they play deeper, many more expensive headphones do too, such as the Sony MDR-V600). The midrange is probably the KSC-50s biggest weakness, in particular the lower mids - they just don't have the presence my HD600s have. They also seem to sound slightly colored, which is bad, but it isn't as bad as I make it out to be, I am comparing them to my HD600s. This isn't a fair comparison at all, comparing some (dollar amount) headphones to some (dollar amount) headphones, it is like comparing a Hyundai to a Ferrari. Highs aren't very airy, but treble is played up fairly high (Most cheap headphones barely play upper treble), and it isn't overpowering at all. Comfort: These are relatively comfortable headphones, sometimes the earclips can be annoying, but they are extremely light and you usually barely feel them on you. In short, everything sounds pretty good on these headphones. You really can't compare to them at anywhere this price range. They literally sound better then every Sony headphone from the MDR-Vxxx line which goes from the (dollar amount) V-150 through the V-900s, yes, they sound better then all of them, also they sound better then the Sennheiser HD490 and 500. If you are looking for something under (dollar amount), one of this series of headphones is your best bet. The next real step up from them would be the Grado SR-60 around (dollar amount) and the Sennheiser HD495 around (dollar amount), or the Sony MDR-V7506 around (dollar amount). The one potential drawback is that these are an open design, which leaks sound out, and lets sound in. The problem is that most cheap closed headphones like the Sony MDR-Vxxx and CD-xxx series sound terrible in comparison. If you are willing to let some sound leak out, and have no isolation from outside noise, these are the headphones for you at this price. The only closed headphone of the above three I reccomend are the Sonys, both the Grados and Sennheisers are open. Most high end headphones other then monitors like the MDR-v7506, or Beyerdynamic DT831 are open. These include the Sennheiser HD600, the AKG K1000, Beyerdynamic DT931, Sony CD3000, and the rather expensive (At (dollar amount)) Sennheiser Orpheus. As always, be careful with volume levels when listening on headphones, you can damage your hearing very easily. If you can't hear someone at all when they are talking to you, or screaming at you, I would highly reccomend you turn the volume down some, unless you want to wear a hearing aid later.
Rating: 
Summary: Headphones are good but not very personal...
Review: I had recently bought these headphones because of the great bass people had been talking about. Yes, the bass is incredible, so I had turned up the music to feel the bass. The only problem was that everyone within 3 feet of me could hear the music I was listening to. Maybe it was because I am not used to these clip-on style of headphones because I had the plug in kind earlier. Also, the style of these headphones is not the best. My friend had ridiculed me of how ridiculous I had looked. Other then the loud stereo like music and the style of these headphones, these headphones are great for the price. You might want to consider the ear-plug style of this company.
Rating:
Summary: Light and cheap!
Review: Koss makes high-quality, high-bass, and light headphones. These headphones don't have as much bass as the Porta Pro, but they certainly have good sound quality. In addition, they are light and they clip on to your ears very nicely. I am planning to use them while running. Lastly, they are very cheap. Great deal!
Rating:
Summary: Great Quality for $20
Review: My last pair of headband headphones snapped and I needed a replacement pair so I could continue listening to mp3's at work. I managed to snatch a pair of KSC 50's at a nondescript local personal electronics store near my office building- and I've since held no regrets. The soundcard on my laptop is mediocre at best, and I have electrical grounding problems when it's locked in its docking station. Once I received my new Archos Jukebox Studio 20 mp3 player, everything changed. The range is excellent without balance problems or a soggy bass range. The drivers on the KSC-35 speakers are the same as their more expensive counterparts, the KSC 50's though these probably aren't as sharp or dynamic. Nonetheless, you can do much worse for $20. The only drawbacks I can imagine could be a prolonged pinching at the top of your ears if your wear them to tight. I've also heard a few remarks out a 'star trek' appearance when I wear them. If you don't mind the Lieutenant Ohura aethetic as a compromise for sonic perfection, then click "Add To Shopping Cart"
Rating:
Summary: KOSS is Greatness
Review: Koss is truly setting itself in the headphone world. I already owned one prior to buying these, and I'm just as satisfied with these as I was with the previous. The bass is just incredible with these. You should just compare them to a pair of regular "earbud" headphones, and you'll notice the difference right away. The best part of these is that they are very inexpensive for the quality. Many other companies, like Sony, charge about 10 bucks more for their "clip-style" headphones. Note: Some of you may experience discomfort the first couple times you wear the headphones, but, after a while, you get so used to them that you won't feel anything but the bass.
Rating:
Summary: superb sound!
Review: OK I can believe that maybe if you have big ears these things might not be comfortable. But bad sound? No way! If you think these things don't sound good, ya got something wrong with your ears or your equipment, or both. I plugged them into a portable MP3 player and the have very smooth natural sound with better bass extension than many large over the ears phones. I'm an audiophile used to high-quality tube amplifiers - so I'm a hard one to please when it comes so sound. I'm particulary sensitive to overly bright and harsh sound. Not here - these guys are ssssmooooooth! Oh, and they're so light you hardly notice they're on and you can't get them to fall off even if you shake your head - provided they fit your ears of course :) Highly recommended.
Rating:
Summary: Surprisingly good!!!
Review: I bought these (and I paid more than here) and am surprised at the excellent sound quality. Even bass is half way decent. The fit on me is very secure and I can move all around and they will never come off (almost...). Three minor gripes: cord is a bit thin (could get snipped easy), and is just a bit too short. (However, the 4'/1.2m length is fine when listening to a portable music device.) Ear cushions would be nice, but they don't stick into your ear too far so this isn't really an issue. If you need just a cheap, basic headset and want something better than the standard earbud, this is for you.
Rating:
Summary: Uncomfortable and over-rated
Review: I bought these headphones largely on the strength of the reviews offered here. Unfortunately, the clips that hold these phones to your ears are not adjustable. One size does not fit all. I wore these for less than half an hour, and my ears are still sore 20 minutes after removing them. On the other hand, my wife wore them and found them quite comfortable. The sound quality is over-rated here, even when you consider the relatively low cost. The sound is thin and scratchy. They would be adequate for audio books and similar material, but I wouldn't enjoy listening to music with them.
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