Replacement Diaphragm For BMS 4522 -16 OEM  16 ohms 

Specs:

Overall Diaphragm Diameter: 3.71” (94.4mm)

Voice Coil Diameter:  1.75″ (44.4mm)

DCR: 6 Ohms

Nominal Impedance:  16 ohms

PACKING :2PCS/LOT