Summary: These are great with comply tips. They look a bit flimsy build quality wise, and a couple of people on amazon have broken off the stems, while replacing the tips - which is a bit of a worry if you buy them used as I did.
The bass is nice and deep but not boomy, but the mids are relatively emphasized and the highs are somewhat recessed (again relatively). This makes them sound somewhat thick and congested compared to say SM3v1/2 or UM mage or aero.
Pros: inexpensive and great mids and deep bass without the usual bass hump. work ok with higher impedance amps
Cons: strange build quality, comfort and sound sig is not as refined as higher end iems.
Summary: I was looking at some high-end in-ear monitors when I stumbled upon these, I directly pre-ordered them for 235 euro, only going by what I heard about the SE420s and having no idea what to expect.
The design is great and very intuitive. When selecting the right tips, the IEMs fit very snugly in your ears. However, they start to get uncomfortable to me after an hour or so.
Pros: Very honest sound signature, great design and isolation, very comfortable,
Cons: No artificial enhancements that make for 'exiting' sound
Summary: Excellent IEMs for detail, clarity, and flat response across the whole sound spectrum. Love them, especially with the stock yellow foams. For a factual reprsentation of your music, really,really good. Not recommended for low bit files. For "fun" listening, it lacks a bit of bass.
I use an AK100. AK100 comes with a very slight v-shaped EQ. When making the V-shape more pronounced I could get more bass from these things, at the expense of some detail.
Pros: Detailed sound. Lovely mids. Wide assortment of tips that isolate well.
Summary: Coming from headphones such as the sennheiser HD25-1 ii and HD650 I was expecting much better SQ from these in ears.
They sound cold, really cold. It sounds as if you're listening to music through a tin can.
They are detailed however, but it makes everything sound cheap.
I haven't listened to these for long, just a day. But I'm pretty sure I will never get used to the sound signature, nor do I want to.
Summary: I have not compared these earphones to other comparable earphones. This review is basically my experience so far with these earphones. These earphones provide very clear sound and are functionally outstanding for use as in ear, on stage monitors. The only area that I feel could be better is the bass response. The bass does track true to the recording and by no means sounds "bad". The bass is deep but "tight".
Summary: These headphones are great. They fit snuggly and block out a good amount of ambient noise and the sound they produce is amazingly good for headphones. The design of the buds is the best I've ever seen in that they don't protrude from your ears so they don't get knocked out like most do. Also, these are componentized. Each bud is separate from the cable and all can be replaced without having to buy a whole new set if something should break.
Summary: I bought these for use as in ear monitors- I'm a drummer in a 8 piece church band and they are excellent! The noise cancellation is perfect keeping my hearing free from damage. We use an Aviom foldback system which allows me to control individual instrument volumes- the sound separation with these earphones is great. I can clearly hear each instrument and frequency even at low volumes.
Pros: Strong cable design and comfy earpiece. Great sound separation.