== Komunitas Pengguna Superlux Headphones, IEMS, Amplifiers ==
HD662B = Bass, bass, bass gede bgt :hammer: tapi masih bright , agak laid back HD681B= Balance, gak maju gak mundur HD381B = Bass (tight), treble nusuk, vocal recess HD662F = Forward , bass ada mirip hd660 kalah PRaT nya HD681F = Forward, bass kalo dibandingin hd330 less punch, more boom HD381F=