I am not well versed to tell if it's a good sound spectrum with respect and all that ... I think he does the job for which I bought (not too expensive 34 promo) and it's just fine.
of caveats:
- In summer the coating pads causes sweat
- Helmet "squeaky joints" which can be annoying if you want to be discreet when one someone sleeping next to you (it happens in nightly use tablet ...)
- At the beginning headphones compressait my head during prolonged plays but it softens with time ...