SPECIFICATION : 

Type Exponential
Throat Size 1" , 25.4mm
Attachment Method Screw-on
Dispersion 60 x 60
Low Rec. Crossover 1200
WxHxD ( in) 5.59" x 5.59" x 4.38" 
WxHxD ( mm) 142mm x 142mm x 111.3mm
Cut Out 3.56 x 3.5" , 90.4 x 90.4mm
Weight 0.35lbs, 0.16g
Material ABS