DC Audio XL15 m4.1 D1

4400W Peak 15" XL Series m4.1 Version Dual 1-Ohm High SPL Car Subwoofer with 3.0" Voice Coils - M2XL15D1


• Peak Power: 4400W
• RMS Power: 2200W
• Dual 1 ohm Voice Coil
• Extremely Rigid Non-Pressed Paper Cone Assembly
• Multilayered Polymer Wide Roll Foam Surround

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General Features:

  • 15" Dual 1 ohm XL Series m2.1 Version Car Subwoofer
  • Power Handling:
    • Peak: 4400 watts
    • RMS: 2200 watts
  • Recommended power range: 1600 - 2200 watts RMS
  • Extremely rigid non-pressed paper cone assembly
  • Multilayered polymer wide roll foam surround
  • Polypropylene dust cover with embossed DC logo
  • Quad 8" OD semi cup progressive roll spiders
  • Dual extra heavy duty interweaved tinsel lead wire
  • Rubber mounting gasket
  • Chrome spring loaded push terminals
  • FEA analyzed and optimized motor assembly
    • Fully CNC machined
  • Top-mount depth: 10.25"
  • Cutout diameter: 14"
  • Sensitivity: 89dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

m4 XL 15" T/S Parameters:

  • Electrical Q Value (Qes): .516
  • Mechanical Q Value (Qms): 16.55
  • Total Speaker Q Value (Qts): .5
  • Free Air Resonance (Fs): 34.3
  • Equivalent Compliance (Vas): 66.02 liters
  • One-Way, Linear Excursion (Xmax): 26mm
  • Efficiency (Ref SPL @ 1W): 89dB
  • Effective Piston Area (Sd): 791 cm²
  • DC Resistance (Re): 3.98
  • Nominal Impedance (Znom): Dual 1 ohm
  • Force Factor (Bl): 22.73
  • Mechanical Compliance (Cms): .07 mm/N
  • Mechanical Mass (Mms): 306.7g
  • Voice Coil Inductance (Le): 5.2 mH
  • Suggested Sealed Enclosure: Not Recommended
  • Suggested Ported Enclose: 3.0 ft³

For more information on the Thiele and Small Parameters, visit our T/S Parameters Article

Product history:

DC Audio (Soundlab) M4XL15D1 thumbnail
(newest, current model)
DC Audio (Soundlab) M2XL15D1 thumbnail
(previous model, replaced by DC Audio XL15 m4.1 D1)

Specifications & Details

Subwoofer Specifications
XL Series
Subwoofer Size
Peak Power Handling
4400 watts
RMS Power Handling
2200 watts
Voice Coil(s)
Impedance (Per Voice Coil)
1 ohms
89 dB
Xmax (millimeters)
26 mm
Subwoofer Design
Round / Circle
Main Cone Color
Woofer Composition
Non-Pressed Paper
Woofer Surround
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Optimum Ported Box Volume
3.00 cubic feet
Top-Mount Depth (Mounting Depth)
Cutout Diameter
Electromechanical Parameters
Free-Air Resonance (Fs)
34.3 Hz
Equivalent Compliance (Vas)
66.02 liters
Total Speaker Q Value (Qts)
Electrical Q Value (Qes)
Electrical Resistance of Voice Coil (Re)
3.98 ohms
Mechanical Q Value (Qms)
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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What a monster

This subwoofer is hands down one of the most powerfulest subs I have ever bought and the price on it was perfect. It literally rattles every inch of my car. Well done DC for producing an amazing sub.

By Anonymous on March 26, 2019 Checkmark Icon Verified purchase


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