Faital Pro HF111 (8Ω) is a 1-inch high-frequency driver for loudspeaker applications. It has a nominal impedance of 8 Ohm, 40 W AES power handling and 107 dB sensitivity (1W/1m). The driver covers 2÷20 kHz and has a 2 kHz minimum crossover frequency. It uses a 37 mm (1.46 in) voice coil, Ketone Polymer dome diaphragm and Ferrite Ring magnet.