BRAND NEWSUNDOWN AUDIO X-10 V.3 D1X V.3 Series | 2000W RMS Power 10-Inch Dual 1-Ohm Voice Coil Car Audio SubwooferKey Features:2000 Watts RMSDual 1 Ohm Voice CoilsSolid Pole Piece With Chamfered Edges Machined Air Channels For Increased Voice Coil CoolingHigh-Velocity Under-Spider Frame VentsBlack Aluminum 3�� Voice Coil Former For Superior Heat DissipationHigh-Temperature Copper Voice Coil WireLarge Aluminum Faraday Ring (Magnet Id)Spring Loaded TerminalsStitched-On Double High-Power Tinsel Lead WiresHigh Strength Patented Cast Aluminum FrameOptimized For Small Ported EnclosuresMount Depth: 9.6″T/S Specifications:RE (Ohms): 1.4FS (Hz): 39.104VAS (L): 11.623Qes: 0.441Qms: 2.567Qts: 0.376Le (mH): nbsp;BL (NA): 14.155Mms (Grams): 256.970Cms (uM/N): 64.465Sens (dB @ 1w/1m): 83.8dBSundown Audio 2000W RMS Dual 1-Ohm Voice Coil 10″ Car Subwoofers, Black 10″ Car Subwoofer with Dual 1Ohm Voice Coils 2000 Watts RMS power handling for powerful bass output Solid pole piece with chamfered edges and machined air channels for enhanced voice coil cooling Highvelocity underspider frame vents for improved airflow Black aluminum 3�� voice coil former for superior heat dissipation Hightemperature copper voice coil wire for durability Large aluminum Faraday ring for magnetic stability Springloaded terminals for secure connections Stitchedon double highpower tinsel lead wires for reliability Highstrength patented cast aluminum frame for structural integrity Optimized for small ported enclosures for versatile installation Mount depth of 9.6″ for easy fitment in various applications T/S Specifications: RE (Ohms): 1.4 FS (Hz): 39.104 VAS (L): 11.623 Qes: 0.441 Qms: 2.567 Qts: 0.376 BL (NA): 14.155 Mms (Grams): 256.970 Cms (uM/N): 64.465 Sensitivity (dB @ 1w/1m): 83.8 dB