The Faital Pro 10FE400 4Ω 10-Inch Ferrite Speaker is a 250 mm (10 in) speaker driver with a nominal impedance of 4 Ohm. It provides 200 W AES power handling, 400 W maximum power handling and 95 dB sensitivity (1W/1m), with a frequency range of 60÷4500 Hz. The driver uses a 44 mm (1.73 in) voice coil, ferrite ring magnet, steel basket and triple roll cone surround. Its baffle cutout diameter is 233 mm (9.17 in) and its depth is 111 mm (4.37 in).