12.4mm
Mega Titanizing Driver
Larger than life sound.
 
Fuller bass,grander soundstage,clearer vocals.With a larger
driver and vibration area, you get more immersive sound with
bass that always hits just right. Compared to ordinary 9mm
drivers, the 12.4mm Mega Titanizing driver boasts an
impressive 89% increase in vibration area, delivering a more
grandiose sound field with breathtaking bass.