Audiophilepure

http://goo.gl/ci5l8j

“in short, turning on the bass boost feature can boost up the bass by some degree (Good) and will not really affecting the rest of frequency range (Treble and Mid). This is a good to have features and seriously speaking, I personally think every amp should have this features as this will allowed wider range of headphone that can cope with amp an also enhanced the flexibility of the amp.”