Engineered and designed in the USA by Skar Audio engineers, the PD1-X 200 Watt 1-inch high-efficiency compression horn driver is unmatched in performance and sound reproduction. Sold individually, this driver is designed for medium band reproduction and is recommended for midrange applications in SPL car audio systems or in small PA systems. The PD1-X features a universal 1-⅜" screw-on connection, allowing a horn to easily be added. The smooth response and the accuracy of the high frequencies reproduced by this driver are unparalleled, making it the top choice among audio enthusiasts. Outer Diameter: 4. 40"Cutout Diameter: 1. 37" (Without Horn)Mounting Depth: 2. 37"Total Speaker Depth: 3. 03"Sold Each (Individually)Max Power Rating: 200 WattsRMS Power Rating: 100 Watts2" High Temperature Kapton Voice CoilImpedance: 8 OhmsMagnet Material: High Flux FerriteFrequency Response: 550 Hz - 6, 000 HzSensitivity: 110 dB