Koss KSC75 Portable Headphones

Written by The Buzzer Thursday, November 23, 2006


- Titanium-coated high-polymer drivers
- Neodymium iron boron magnets
- Cord measures 4 feet long; 3.5 mm plug
- Frequency response: 15 to 25000 Hz
- Impedance: 60 ohms
- Sensitivity: 101 dB/mW
- Weight: 1.5 ounces or 43 grams
- Lifetime Warranty

Built Quality and Comfort (7/10)

The KSC75 are built to hang around your ears and they are extremely comfortable. Although you might want to first adjust the white thigh by bending it with careful force. The headphones do not have pressure what so ever on your ears. Some people, including myself, find the 75s a bit fragile. So you might want to do a better job taking care of them. Also, it would not be a good idea to run or exercise with these, as they do not cramp onto your ears or fit inside. Expect them to fall off from their hanging if you are to violently shake your head. ( :D ) Overall, they offer an elegant silver look with thin wires and a gold-plated mini plug.

Sound Quality - always in sound-price ratio (9/10)

Oh my oh my, these babies come with an incredible sound to price ratio. Driven directly by an MP3 player or laptop, the 75s deliver an incredible deep bass with relatively grainy high and mediocre mids. Soundstage, however, is very wide comparing to other competitive clip-on headphones. This is due to the fact that they are open-ended. As a result, they leak. If you don't mind the person sitting next to you getting a small replica of what you're listening to, then the wide soundstage will definitely please you. In short, driven directly, the KSC75 carries an overall warm signature, although at the same time, I find the sound a bit "thin."

The result of driving the KSC75 with an amplifier, on the other hand, dazzled me! These babies sound like a pair of $50 headphones! The soundstage got even wider. The bass got deeper and the highs got more clear. The mids, having improved the most, became much more existent. The overall sound became MUCH fuller and smooth. Yes, i dare to say it: they are 2 times better than being driven directly out of the source.

Conclusion ( 8.5 /10)

Simply put, the Koss KSC75 are the best portable headphones you can get within the $30 price range. Here's a little insider-secret for you: the reason why the 75s are so good is because they use the same drivers, but coated with titanium, as the Koss Portapro. Koss simply switched the housing. Believe it or not, the Portapros were priced at around $100 a few years ago. Now, they're priced at $50 while the KSC75 can be found on many retail sites for less than $20. So, rush to the store and try on a pair! I promise, they're good, and REALLY good for the 20 bucks you paid.

This product was first reviewed by Cecil Lau on August 5, 2006.

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