All Eminence horns are constructed of a high-density, heavy-duty, injection molded ABS.

Specifications: • Horn type: Constant Directivity • Minimum frequency: 1 kHz • Nominal dispersion: 90° H x 40° V • Throat diameter: 1″ • Mounting type: 2-bolt • Dimensions: 9.8″ W x 7.7″ H x 5.2″ D • Mounting type notes: 2-bolt: For 2 x 1/4″-20, 3″ o.c. mount drivers • Eminence model SST1.