Seismic Audio SA-DR3-8 Ohm Replacement Diaphragm - Compatible with Peavey HD 94 and JBL 2404 and 2405 Model: SA-DR3 Contents: 8 Ohm Replacement Diaphragm compatible with JBL and Peavey loudspeaker enclosures Nominal Impedance: 8 Ohms Compatible with the following JBL horn/drivers: 075, 076, 077, 2402, 2402H, 2404, 2404H, 2404H-1, 2405, 2405H Compatible with the following Peavey horn/drivers Peavey HD 94 and similar