Summary: These IEMs are not jack of all trades, which means they do not perform like their main rivals in the price range (300-500 dollars).
Most IEMs in this price range, such as UEs, shures or Westones use multiple balance armatures to produce a relatively good sound through all range, the GR10, on the...
Pros: instrument seperation, Imaging, delicious mids to die for
Summary: Gear used for testing: iPod Video 80gb (5th gen, Rockbox) + Fiio E17
Test tracks: "Survival" by Muse, "Take the Power Back" by Rage Against the Machine, "Finally Free" by Dream Theater, "Hessian Peel" by Opeth, "Sacred Worlds" by Blind Guardian
Sound quality and signature: Not transparent.
Pros: They've managed to capture the Grado headphone sound with these little babies.
Cons: Isolation. The tips are kind of small "than they should be," at least for some people.
Summary: I am lost for words for 2 reasons, 1st: These in ears behave much more like over ears headphones in all the good ways.
2nd: these deserve to be much more popular than they are, I am simply shocked that there is not much more renowned!
Pros: Lots of space, instrument separation, depth, huge sound stage, highs that are not piercing(does not hit the wall of comfortable listening, so small
Cons: None for me, life is way too short to grumble about the price. It is cheaper than competing brands!