The FAITAL PRO 15FX560-8 is a high-performance low-frequency loudspeaker 700-Watt Rms 1400-Watt Max. This speaker is designed for applications requiring high power handling, efficiency, and a wide frequency range, suitable for professional audio systems || NOMINAL SPECIFICATIONS || Nominal Diameter : 380 mm (15 in) || Overall Diameter : 418.4/388 mm (16.46/15.28 in) || Bolt Circle Diameter : 374 mm (14.72 in) || Baffle Cutout Diameter : 354 mm (13.98 in) || Depth : 185 mm (7.28 in) || Flange and Gasket Thickness : 11.5 mm (0.45 in) || Net Weight : 7.5 kg (16.5 lb) || Shipping Box (Single Carton Box) : 430 x 427 x 236 mm (16.9 x 16.8 x 9.3 in) || Shipping Weight : 8.6 kg (19.0 lb) || || TECHNICAL PARAMETERS || Nominal Impedance : 8 Ohm || Minimum Impedance : 6.5 Ohm || AES Power Handling (1) : 700 W || Maximum Power Handling (2) : 1400 W || Sensitivity (1W/1m) : 99 dB || Frequency Range : 40÷4000 Hz || Voice Coil Diameter : 77 mm (3 in) || Winding Material : Al || Former Material : Glass Fiber || || TECHNICAL PARAMETERS || Winding Depth : 23.5 mm (0.93 in) || Magnetic Gap Depth : 14 mm (0.55 in) || Flux Density : 1.1 T || Magnet : Neodymium Slug Crown || Basket Material : Aluminum || Demodulation : Aluminum Ring || Cone Surround (3) : Triple Roll || NET Air Volume filled by Loudspeaker : 4.1 dm^3 (0.145 ft^3) || Spider Profile : 1x variable height waves || || THIELE AND SMALL PARAMETERS Fs : 38 Hz || Re : 5.2 Ohm || Qes : 0.31 || Qms : 6.8 || Qts : 0.3 || Vas : 159.0 dm^3 (5.62 ft^3) || Sd : 864 cm^2 (133.92 in^2) || Xmax (4) : 9.42 mm || Xdamage (5) : 21.8 mm || Mms : 115.0 g || Bl : 21.5 N/A || Le : 0.64 mH || Mmd : 86.3 g || Cms : 0.15 mm/N || Rms : 4.0 kg/s || Eta Zero : 2.74 % || EBP : 123 Hz || || Brand : FAITAL PRO || Model Number : 15FX560-8 | 15FX560 || UPC : 810130951215 || PART NUMBER (P/N) Push Terminals - 8 Ohm Version : 3803997 || NOTES || (1) 2 Hours Test According to AES 2-1984 Rev. 2003 || (2) Maximum power is defined as 3dB greater than nominal power || (3) Treated Polycotton || (4) Xmax= [(winding depth - magnetic gap depth)/2] + (magnetic gap depth/3) || (5) Maximum excursion before permanent damage