it shines in its overall usability and just all around good design. Of course the eq itself is also very well implemented, and effective.
eq is one of those things that has a very wide range of uses depending on who you ask. for example: Some people like presets, some people like eq'ing to make their headphones sound more to their personal taste, while others like to eq to as close to true neutral as possible. Its more of a persona opinion. Some eq's are implemented better than others and are therefore more effective than others, or less likely to produce distortion.
This eq has a pre-amp volume which makes it easy to lower the Pre-eq volume so that i you introduce large peaks it wont cause clipping or distortion.