2412H-1  ...Brand New Genuine JBL 2412H-1 Driver used in JRX112M, JRX112MI, JRX115, JRX115I, JRX125, MP225, MP212, CONTROL 321, MS28 and more. There is no JBL diaphragm to repair this driver, but we do have a plastic aftermarket and cast aluminum aftermarket Diaphragm option. Another option is to upgrade to a higher powered driver, we suggest the Selenium D220TI Driver.