PYLE PLWT4 1.5-Inch 200 Watt Surface Mount Piezo Tweeter Extended high-frequency 1 1/2" Piezo driver Frequency response: 3Khz-30Khz Surface mounting system Sensitivity: 87db @ 1w/1m Includes custom mounts, wires and installation hardware Extended High Frequency 1.5" Piezo Driver - Includes Custom Mount, Wires and Installation Hardware Surface Mounting System Frequency Response: 3Khz-30Khz Sensitivity: 87db @ 1w/1m Power Handling:100 Watts RMS/200 Watts Max