Hello. I'm not an expert in sound, but after a few listens to different music styles, I have noticed that this helmet very well spanked her level job. The middles are neither exaggerated nor absent, treble are not annoying, and bass response as it should, without exaggeration. So its a rather well balanced. If I removed a star is that I find that the insulation is not very good, the helmet is perhaps a little too much, I liked a third shorter cable, for mobile use, and cover protects against dust, but no jolts or shocks when traveling, so we must invest in a hard case. (Unless it does not leave you). Overall, I'm happy, quality article, which a priori does not look fragile, I recommend.