The Faital Pro HF201 (8 Ohm) High-Frequency Driver is designed for high-performance audio applications. It has a nominal impedance of 8 Ohm, 108 dB sensitivity and a frequency range of 0.5 to 18 kHz. The driver uses a 74 mm (2.91 in) voice coil and titanium dome diaphragm. It has a 0.9 kHz minimum crossover frequency and is optimized for use with a 2” 90° x 40° horn.