This Is A Brand New Aftermarket BMS 4550 Replacement Diaphragm 8 ohms

Please Look And Make Sure The Diaphragm You Are Ordering Matches The Pictures Above & The Specs Below

Specs:

Overall Diaphragm Diameter: 3.71” (94.4mm)

Voice Coil Diameter:  1.75″ (44.4mm)

DCR: 6 Ohms

Nominal Impedance:  8 ohms