This is a Brand NEW Original Factory Replacement JBL/Selenium RPD360 PRO Replacement Diaphragm For JBL/Selenium D360 Driver - 8 ohm. You can get your JBL D360 PRO Driver back to full power with 125W RMS power and frequency response without distortion.To do this, just use the Original Repair JBL/ Selenium RPD360 PRO Replacement Diaphragm kit for the phenolic driver that are showing low efficiency. An ideal replacement part,with the repair kit you do not need to dispose of your 8 ohm driver with single coil .We recommend that the installation be done by a specialize professional,we are not responsible for the misuse of the product.