Genuine Factory Sealed box. JBL 2412H-1 high frequency driver, 25.4 mm (1.0 in) Transducer: compression driver used in JRX125, JRX112M, JRX112Mi, JRX115, JRX115i, SF15i, SF15, SF12Mi, SF12M and more.
Compression Driver 1.0"
DC Resistance 4.3 Ohms +- 10%
JBL part # 339013-001X
JBL does not recommend replacing diaphragm only on this driver.