Seismic Audio SA-DR5-8 Ohm Replacement Diaphragm - Compatible with JBL 2418, 2418H, 2418H-1 EON G2 10-918 Model: SA-DR5 Contents: Replacement Diaphragm for JBL 2418 diaphragms Nominal Impedance: 8 Ohms Compatible with the following JBL Series Drivers: JBL 2418, 2418H, 2418H-1 EON G2 10-918 and more. Additional Features: Quick disconnect spade connectors; Titanium Dome