DC Audio XL15 m4.1 D2

4400W Peak 15" XL Series m4.1 Version Dual 2-Ohm High SPL Car Subwoofer with 3.0" Voice Coils - M2XL15D2


• Peak Power: 4400W
• RMS Power: 2200W
• Dual 2 ohm Voice Coil
• Extremely Rigid Non-Pressed Paper Cone Assembly
• Multilayered Polymer Wide Roll Foam Surround

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DC Audio XL15 m4.1 D2

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General Features:

  • 15" Dual 2 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) M4XL15D2 thumbnail
(newest, current model)
DC Audio (Soundlab) M2XL15D2 thumbnail
(previous model, replaced by DC Audio XL15 m4.1 D2)

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)
What is in the box?
User manual
WITB: Subwoofers
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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Customer Reviews

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Awesome sub!!!

This is by far the best 10 I've ever heard its every note and hits like a 12. Powered off of DC audio 1200 amp giving it it's full 600rms.

By Adam on April 19, 2020 Checkmark Icon Verified purchase


found this helpful.


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