The Faital Pro HF107 is a 1-inch high-frequency compression driver for professional audio applications. It has a nominal impedance of 16 Ohm, 70 W AES power handling, and 140 W maximum power handling. Sensitivity is 109 dB, with a frequency range of 1.3÷20 kHz and a minimum crossover frequency of 1.3 kHz. The driver uses a Ketone Polymer annular diaphragm, an annular phase plug design, and a ferrite ring magnet.