…….the bass is not muffled. The vocals are not overwhelmed by the bass and neither is Vice Versa. The high frequencies are clear. I hear a few notes which I never heard in……I used them continuously for 4 hours. The battery on the buds dropped from 100% to 34%. That was while watching TV series, with slightly above mid volume. The buds can now be charged from the case 3-4 times…..