It's a bit of a dream to find a reasonably priced product that literally with a switch of a button can sound just as good as some of the best in-ears I've tried out. The plug-in that performs this feat is free and very simple and is called TB-EZQ. The increase in clarity, mid and high detail, soundstaging, imaging and overall tightness, crispness and refinement are extraordinary. I said before it's a bigger change than going from 64 kbps to FLAC, but its more like going from listening to the radio on an old receiver to listening to music from a good DAP. I only have the CKM500 and RE-262 to do a side to side comparisons at the moment and GR06 + TB EZQ is winning every round. Not by small margin, its very clear when you listen to all three at the same time which is superior regardless of music choice. Only problem I have with these are a bit of a mid-bass hump that works better for some music than others. Not exactly a problem that is hard to fix. 

This is not going to be a long review scrutinizing every aspect of how it sounds or other features. I will try to keep it to the point. 
 
 
Sound 
Very balanced out between the lows, mids and highs. The upper midrange and highs are nicely detailed but possess no harshness or sibilance. Very clear sweet sounding midrange. Not sweet sounding as in colored but transparent. Bass have good punch for an earbud and is nicely layered. I have found this earbud to work well with pretty much anything I have thrown at it music wise. Everything from hiphop to classical is sounding great. The above average size soundstage makes it good for "audiophile" type music. Overall I think it sounds a bit like a HD-600 just not as refined. 
 
 
Comfort 
Some how my left ear is loving these a bit more than the right one but on a whole I found them to be great in this aspect. The solid metal housing and large driver makes them a bit heavy so if you are sensitive to earbuds this could be an extra problem.  
 
 
Quality And Looks 
The heavy duty metal housing induces confidence in durability, but at the same time the cable is tangle prone and a bit flimsy. Hisoundaudio call this an audiophile grade earphone of which I can agree. The cable is however anything but audiophile grade quality. They are also pretty funky looking. 
 
 
Conclusion 
For the price I really believe this to be an excellent and all-round earphone. If this was 150 USD I still think it would be a fair deal.