“PROS - great sounding headphone - great in-ear fit - good quality cable - unobtrusive design CONS - slightly heavy bass for me NOTES Equal length cable for each ear (not for wearing behind the neck) ” --gingerbeardman
“I don't have any headphones to compare them to, as these are some of my first good quality headphones. They sound great, they're pretty comfortable, if you wear them around the house, or just walking around, they stay nicely in your ear, however if you do something that makes you sweat, they don't stay in your ear well. I'm guessing this can be fixed with custom tips, but I never bought any....” --RyanDN
“ CKS line improves the main problem of traditional audio technica products which was bass. CKS50 did not focus on the quantity but the quality of bass, it does not have the quantity for hard rock music but it was tight and powerful enough for pop-rock also it still have the sweet mids like audio technica do which makes my perfect choice for j-pop female vocal.” --Kiln
“The build quality of these earphones are perfect: from the very first time you hold a pair of these in your hands you know that they won't fall apart any time soon. But this build quality leads to some issues: the housing is pretty heavy and this can make the use of these clip-on styled headphones pretty uncomfortable for some people. Noise canceling isn't really good but keep in mind that this...” --Maniello
Portable on ear headphones with powerful bass
The Sennheiser MX 660 earbuds are high quality earphones with Sennheiser's innovative "Basswind" system for superior, bass-driven stereo sound experience. They are ideal for use with all MP3, CD, DVD players and portable gaming systems as well as feature a volume control integrated in the cable and a cable winder for convenient cable length adjustment.
“This IEM is vocal oriented and so they are especially for vocal lovers. It is clean, detailed and upfront. This is not a basshead IEM instead it is punchy, detailed maybe a little slow on some really fast tracks but generally it is quite involving and fast. There is no midbass bloat I could hear so there is no veil in the mids. The guitars especially sound amazing on these...” --ozkan
Newly developed 12.5mm drivers ensure high-quality sound . Built-in stabilizer reduces unwanted vibrations and delivers pure tones . Comfortable, ideal-fit earpieces provide noise isolation and prevent sound leakage. Gold-plated mini-plug for exceptional corrosion resistance, superb conductivity and low noise. Frequency response: 5Hz - 24kHz . Includes pouch, interchangeable ear tips (S/M/L),...