Check the listing for details. Faital Pro 12FH520 12" 4 ohm Loudspeaker- NEW!!!! AUTHORIZED DISTRIBUTOR. Condition: New. Listed at 376.00 USD. Faital Pro 12FH520 12" 4 ohm Loudspeaker- NEW!!!! AUTHORIZED DISTRIBUTOR ASK any questions before you buy NOMINAL SPECIFICATIONSNominal Diameter300 mm (12 in)Overall Diameter316 mm (12.44 in)Bolt Circle Diameter298.5 mm (11.75 in)Baffle Cutout Diameter284 mm (11.18 in)Depth155.75 mm (6.13 in)Flange and Gasket Thickness12.5 mm (0.49 in)Net Weight4.2 kg (9.3 lb)Shipping Box (Single Carton Box)350 x 346 x 216 mm (13.8 x 13.6 x 8.5 in)Shipping Weight5 kg (11.0 lb) TECHNICAL PARAMETERSNominal Impedance8 OhmMinimum Impedance6.3 OhmAES Power Handling (1)600 WMaximum Power Handling (2)1200 WSensitivity (1W/1m)98 dBFrequency Range50÷4000 HzVoice Coil Diameter77 mm (3 in)Winding MaterialAlFormer MaterialGlass FiberWinding Depth18.5 mm (0.71 in)Magnetic Gap Depth12 mm (0.47 in)Flux Density1.1 TMagnetNeodymium SlugBasket MaterialAluminumDemodulationAluminum RingCone Surround (3)Triple RollNET Air Volume filled by Loudspeaker2.4 dm^3 (0.085 ft^3)Spider Profile1x variable height wavesTHIELE AND SMALL PARAMETERSFs50 HzRe3.9 OhmQes0.30Qms11.1Qts0.29Vas73.7 dm^3 (2.60 ft^3)Sd540 cm^2 (83.70 in^2)Xmax (4)7.25 mmXdamage (5)19.5 mmMms56.0 gBl17.3 N/ALe0.74 mHMmd41.8 gCms0.18 mm/NRms1.6 kg/sEta Zero2.98 %EBP167 Hz PART NUMBER (P/N)Push Terminals - 8 Ohm Version03003973We have MANY of these - just get in touch - we are 10+ years FAITAL PRO DISTRIBUTOR!!!We also sell to Dealers!!!QUANTITY PRICING!!!ALLLLLL OTHER MODELS AVAILABLE!!!