XL The XLm4 is the next generation of our most award winning driver. The XLm4 has aN added pole vent : redesigned top plate and T yoke: larger magnets wrapped in a stylish motor boot an 8 layer flat wound voice coil: upgraded cone and surround. We are always looking to make great even better and the XLm4 is again a step in that direction. Anyone looking for a subwoofer that not only sounds great but is a beast in the SPL lanes: look no further: you have found what you have been searching for.
Sub Size       18"
Mounting Depth       11.25"
Mounting Hole Diameter       16.75"
Outside Driver Diameter       18.5"
Motor Width       8.75"
Weight       60lbs VC
Diameter       3"
Displacement       .26³ ft
Magnet Weight       50lbs
Power Handling RMS/Peak       2200 / 4400
Impedance (Ohm)       D.7/D1/ D1.4/D2
Sd       1159.00 cm²
Vas       144.36 liters
Cms       0.07 mm/N
Mms       346.7 g Fs       32.3
BL       22.73 N/A Re       3.98
Ohm Le       5.2mH
Qms       17.6
Qes       0.548
Qts       0.532
Xmax       26 mm
Ref SPL @ 1 watt       91.3 dB
Suggested Sealed      
N/A Suggested Ported        5.5³ ft  
XL SUB       Key Features • Extremely rigid non-pressed paper cone assembly • Multilayered polymer foam surround • Polypropylene dust cover with DC logo • Quad 8"OD semi cup progressive roll spiders • Dual Extra heavy duty interweaved tinsel lead wire • Cast aluminum black frame • FEA analyzed and optimized motor assembly – Fully CNC machined • Rubber mounting gasket • Chrome spring loaded push terminals • Dual 0.7: 1.0: 1.4 or 2 ohm 3" 8 Layer Hi-temp Aluminum Stealth Coil