I had headphones from cheap to expensive. Many ways. This is the best sound for sub-bass drops; (even better than my 40mm headset) but is somewhat lacking in the 75-200Hz range. or (low to mid range). The equalizer on my phone really helped with that. They sound best for rap and dubstep compared to other headphones in this price range. Just to keep perspective; I have a pair of Skull Candi for half that price and they sound pretty good in comparison. But if you're a music lover, you'll only spend money on this small improvement. CONS: You can't work with them. have to constantly push them back into the ear canal. (Yes, I tried the different sizes of ear tips that come with the kit.) Cable noise is minimal, but it's there. They're not very comfortable. That way I can wear them for 1-1.5 hours max and because I can't even be a little bit active they don't fall out of the ear canal. they get 3 stars. There's an improvement to the SL99 that fixes these issues, but they're new to the shelf so double the price.
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