Summary: I lost my Shure SE425's recently. Devastated, I knew I wasn't going to spend another $300 on earbuds, so I did my research and found these. In many ways, these are better than the ones I had. First off, these things are tons more comfortable. I am convinced that I have weirdly shaped ear canals, and I can wear these for hours. Also, I think the construction is pretty solid, though the cord is thinner than what I'm used to. Time will reveal. Overall, the sound is good.
Pros: Comfortable, Compact, Good Bass, Good Value, Great Sound, Lightweight
Excerpt: I've purchased 5-6 sets of ear buds from different manufacturers and I always go back to Klipsch. The S4(II) provides impressive sound for a inexpensive product. The angle of the post is extremely comfortable and the silicone ear-tips are the best out there. Oh, and kudos for the tangle resistant flat cord.
Pros: Comfortable, Good Bass, Good Value, Great Sound, Stylish
Excerpt: I use these every morning on the public bus on my way to school. These are a great set of headphones if you're looking to block out nearly all noises around you. The cord might be a little too long for some (I am 6 feet tall and I have about 4 inches of extra cord when my phone is in my pants pocket), but it's far better than being too short.
Pros: Compact, Durable, Good Value, Great Sound, Lightweight, Stylish
Excerpt: These headphones overall are great! They have awesome bass response without sounding muddy. They are very light you barely notice you're wearing them. They have different size ear gels for a perfect fit. They won't tangle up on you. The micophone is very crisp and detailed. The people you call will hear you clearly. I have compared these to Beats headphones and I feel they have TOO much bass that it overpowers the music itself. They sound very muddy.
Pros: Awesome Bass Response, Comfortable, Compact Design, Easy To Use, Great Sound Quality, Quality Microphone
Excerpt: As to be expected with Klipsch, high end is clear and crisp. The mid-range response is also clean. Low end is there, but a little soft. Overall, I am very satisified with these ear buds given the price point.
Summary: At first I was quite disappointed with these. I felt that they were properly isolating the noise and thought I had the right size isolators on but decided to try the large size and wow, what a difference. The bass finally showed up and I was quite impressed. At lower volumes these earbuds are very nice and clear and I love my highs so they sound fantastic. However, at high volumes they get incredibly bright almost to the point of being painful.
Pros: Great response, incredible volume, crystal clear highs, strong lows
Cons: Rubber isolators feel kind of cheap and thin compared to many of my other earbuds and after wearing them for long periods of time at work get uncomfortable. Very bright and almost need an EQ to pull them into a more comfortable frequency response.