Audio Quality   For people who like bass, it has a good but not overpowering quantity, but can lack in clarity and quality. However, it has a relatively good sub-bass for headphones within the price range. The upper mids / lower treble is very quiet. The treble is very veiled, which makes it difficult to cut through the bass. The audio is overall very muddy, and so these headphones would not be ideal for classical music, or music where the tone and timbre of the treble is highly important. Burn-in improved the sound quality and bass, but not enough...