Features Constant Directivity 10″ Conical Waveguide Horn Roll over wide dispersion flare design High output extended high-frequency range Heavy-duty ABS plastic construction 4-point mounting Specifications Throat Exit Diameter: 2"/ 51 mm Mounting Depth: 9.45"/ 240 mm Mounting Width: 6.97"/ 177 mm Cutout Diameter: 7.96"/ 202.26 mm Description DB DRIVE engineered the PHT10 waveguide horn to unlock the full potential of their compression drivers. The PHT10 horn provides precise loading for 2" exit