The Lv6m4 is DC Audio’s 4” Coil Beast. It has evolved into what most big builds are after. A sub that can take lots of power and Crush Out the Lows!! With a world that has access to amplifiers of today's size we knew we needed a subwoofer that could keep up: A Large flat wound 4” Coil and 10” Spaced Spiders with Plenty of Xmax clearance is what we have to offer in the Level 6!! The new Lv6m4 will find itself at home in the SPL lanes or slappin down your hometowns cruise strip. To really step it up with this driver take a look at the Carbon Fiber cone and dustcap options available for it. Sub Size   18" Mounting Depth   13.00" Mounting Hole Diameter   16.90" Outside Driver Diameter   18.50" Motor Width   10.62" Weight   108lbs VC Diameter   4" Displacement   .27³ ft Magnet Weight   90lbs Power Handling RMS/Peak   4500 / 9000 Impedance (Ohm)   D.7 / D1 / D1.4 / D2 Sd   1217cm² Vas   Coming Soon Cms   Coming Soon Mms   Coming Soon Fs   Coming Soon BL   Coming Soon Re   Coming Soon Le   Coming Soon Qms   Coming Soon Qes   Coming Soon Qts   Coming Soon Xmax   Coming Soon Ref SPL @ 1 watt   Coming Soon Suggested Sealed   N/A Suggested Ported   5.5³ ft   LEVEL 6 SUB       Key Features • Extremely strong kraft pulp fiber reinforced cone • Wide Long Throw foam surround • Dome propylene dust cover with White DC logo • 10” OD Spaced Spiders • Extra heavy duty sewn tinsel lead wire • Cast DC Series aluminum black frame 15”/18” • FEA analyzed and optimized motor assembly – Fully CNC machined • Rubber mounting gasket • 8 AWG Direct leads • DVC 4.0” 8 Layer Hi-temp Aluminum voice coil wound on a Black Anodized Aluminum voice coil former with high current input strips.