Overall Diaphragm Diameter: 2.75″
Voice Coil Diameter: 1.75″ with titanium dome.
Impedance: 8 ohms.

 

 For :

 

Berhinger: 44P60A-8
Mackie: DC10/1701-8, SRM-450 version 1, C300Z, 0008093, 0025666, SA-1521, SR-1522, S-215, S-225, S408
P-Audio: BMD-440, BMD-450