ED4

Medium frequency Bang Bo, shook; deep bass, powerful mounted 9 6mm pronunciation unit ED4 , performance ease!ED4 cavity using the "research-grade aluminum " forging, filling the simple, the atmosphere! Quality is superior! The ED4, only to make a more profound, full of emotional sound ED4 core 56 shares by LC-OFC oxygen-free copper composition, conducting rate of 99 99999%