Pyle 1.5″ Aluminum Horn Driver 8 Ohm 1-3/8″ x 18 TPI
Fits Horns with 1 3/8" x 18 TPI Threads. 8 Ohm Impedance. Magnet Structure. Pyle 3.75" Aluminum Bullet Titanium Horn Tweeter. Pyle 8.1" Indoor Outdoor 50 Watt PA Horn Speaker PHSP8K. 1.5"(35mm) Flat Aluminum Voice Coil.