Grado GR10 In-ear Headphones

General Information

proprietary wide bandwidth moving armature design provides the listener with unsurpassed performance.

Small size allows earphone to nestle well within the ear canal, maintaining an excellent air seal for improved bass and reduction of outside noise without causing discomfort.

Latest reviews

Pros: instrument seperation, Imaging, delicious mids to die for
Cons: treble & bass energy and extension
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 other hand, uses single armature, there is a inherit disadvantage of this design, as one single armature cannot cover the whole range as good as the multiple ones. In the light of this, the GR10 lacks treble and bass energy and extension which most of it's rivals possess. I did not mean the treble and bass quality aren't good, both of them are well controlled and of high quality. The less treble and bass energy makes the IEM non- fatiguing.
Above is the "weakness" of these IEMs. But their strength is so strong, that make me overlook it's weakness. In fact, the GR10 is one of my favourite IEMs.
The GR10 has a woderful wonderful mids, the mids is a bit forward than it should be, makes it's sound quite engaging, and the quality of it's mid is superb, even surpass most $1000+ universial IEMs such as IE800, K3003 and SE846. On top of that, it's sound has great instrument seperation. The soundstage is quite big for an IEM also. As a single balance armature design, it's sound has a beautiful coherence. 
The IEMs looks nice and small, the comfort is quite good on par with IE8, there are some customers complain about hard to get the right seal, I do see the ear tips a little bit strggle to get the perfect seal for some, but in my case it is alright.
In conclusion, the GR10 is an adorable IEMs which has maybe one of the best midrange in the market, it's engaging while non-fatiguing, it probable be one the best headphones/IEMs for vocal and pop music. It is also pretty good for many other genres. The GR10, to me, is one strong contender in the mid-price IEM market and well worth your consideration.
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.
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. Presentation is upfront. But the amazing thing here is how they've managed to reproduce the Grado headphone sound with these small earphones (the shells are just as big as pills, probably smaller). This piece of work is a minified Grado RS1i. Of course it's not as airy as the RS1i, because IEM.
On lows, mids, and highs: The bass punch is similar to that of the RS1i. The mids and highs are amazing as well. Compared to my Westone 4R and my friend's AKG K3003, the GR10 is significantly brighter-sounding.
Comfort, build quality: Great for fun listening. Not very fatiguing. The 'phones are small but the build looks sturdy. Maybe other people will find the tips too small and may not seal it for them.
Overall: If you liked the Grado RS1i, you will like these as well. Small, compact, punchy, and bright. Grado-sounding in all aspects.
According to most there is no bass at all, Strange you Claim that the bass is the same as with the RS1??
Well, by all means don't listen to them.
Bass is fine on the GR10s - not 'overcooked' as on some iems.