The Faital Pro HF140 (8Ω) High-Frequency Driver is a 1.4-inch high-frequency driver for loudspeaker system applications. It has a titanium dome diaphragm, a 70 W AES power rating above 0.9 kHz, and 109 dB sensitivity. The driver uses an 8 Ohm nominal impedance, a neodymium slug crown magnet, and an annular phase plug design. Its frequency range is 0.5÷18 kHz, with a 35.6 mm throat diameter and 7° conical exit angle.