Specifications BXW-124The cone’s extra-long excursion capability lets it hit truly deep notes without distorting, while the hefty 2-inch voice coil drives the woofer accurately for top-notch performance under tremendous conditions.Note: If you are wiring this DVC sub for lower impedance, make sure that your amp is compatible.Features:Spruce Paper Cone and Foam Surround800W RMS Power with 2,4000 Max Power HandlingEmbossed Dust Cap with 2” 4-Layer Voice CoilDouble Stack 114oz MagnetHeavy Duty Steel Stamped Frame with Push Pin TerminalsFs Hz 31.5Qms 4.22Vas ft3. 2.68Cms (mm/N) 21Mms (g) 121.1Xmax (mm) 8Xmech 18Qes 677BL (Tm) 16.1MAX Power 2.400wRMS Power 800wQts .56NO (%) .35Efficiency (1w/1m) 87.5dBImpedance DVC 4 ohm