The Faital Pro 4FE32 (4Ω) Low-Frequency Loudspeaker is a 100 mm (4 in) driver for low-frequency loudspeaker applications. It provides 30 W AES power handling, 91 dB sensitivity, and a 90÷20000 Hz frequency range. The driver has a 4 Ohm nominal impedance, 3.7 Ohm minimum impedance, and a Neodymium Ring magnet. Its 49.8 mm depth and 91.5 mm baffle cutout diameter support compact installation requirements.