Pyle PDS442 1.75-Inch Titanium Horn Driver 8 Ohm 13/8-Inch x 18 TPI 250 Watts RMS / 500 Watts Peak Power Handling - 30 oz. Magnet Structure Midrange / Tweeter Compression Driver - 1.75" (44.4mm) Flat Aluminum Voice Coil - Titanium Diaphragm Sensitivity (1w/1m): 105dB SPL - Frequency Response: 1kHz ~ 20kHz Midrange/Tweeter Compression Horn Driver Titanium Diaphragm 1.75 (44.4mm) Flat Aluminum Voice Coil 30 oz Magnet Structure Frequency Response: 1kHz - 20kHz