The Faital Pro 4FE44 8Ω Low-Frequency Loudspeaker is a 100 mm (4 in) driver for applications requiring a compact low-frequency loudspeaker. It has a nominal impedance of 8 Ohm, 40 W AES power handling, and 97 dB sensitivity at 1W/1m. The frequency range is 200÷8000 Hz, with a 1.7 T flux density, Neodymium Ring magnet, and M-Roll cone surround. The loudspeaker has a 91.5 mm (3.60 in) baffle cutout diameter and 54.1 mm (2.13 in) depth.