4 PCS Brand New Replacement Diaphragm 

Fits:

For 2414H, 2414H-1, EON 315, EON-305, 210P, 315, 510, 515XT, VRX 928, PRX 415 and More

Diaphragm Specification:  

Overall Diameter: 2.25" - 57mm 

Voice Coil Diameter: 1.0" - 24.4mm

Nominal Impedance: 8 Ohm