It fits For several MODELS.

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

Diaphragm Specification: 

Overall Diameter 2.25" - 57mm

Voice Coil Diameter 1.0" - 24.4mm

Impedance 8 Ohm