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DC Audio XL15 m2.1 D2

4400W Peak 15" XL Series m2.1 Version Dual 2-Ohm High SPL Car Subwoofer with 3.0" Voice Coils - M2XL15D2

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DC Audio XL15 m2.1 D2

4400W Peak 15" XL Series m2.1 Version Dual 2-Ohm High SPL Car Subwoofer with 3.0" Voice Coils - M2XL15D2

$495.00

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25 ft. of Streetwires 12 Gauge Speaker Cable

You'll need speaker wire to hook up that new subwoofer!

$37.85

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40 Square Feet of Sound Dampening Material

Thicker than the competition, complete sound damping kit for entire vehicle! Use for trunk, doors, roof and floor.

$97.99

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2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

$7.99

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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: 8.25"
  • Sensitivity: 89dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

m2 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 2 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

Subwoofer Specifications

Subwoofer Series
Each subwoofer manufactured is part of a series. This is the name of the subwoofer's series.
XL Series (DC Audio)
Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
15"
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
4400 watts
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
2200 watts
Voice Coil(s)
Dual voice coil subs have more wiring flexibility than single voice coils subs; however, single voice coil subwoofers provide easier hookup options for wiring multiple subwoofers in parallel or series. You may also run a dual voice coil (DVC) sub in parallel, series, or combination. A quad voice coil has four voice coils and is equal to two dual voice coil subwoofers as far as wiring goes.
Dual
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
2 ohms
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
 
Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
89 dB
Xmax (millimeters)
Typically measured in millimeters, the Xmax value is the measure of a speaker cone's maximum excursion in one direction while maintaining a linear behavior.
26 mm
Subwoofer Design
This is the design of the subwoofer or the opening of the subwoofer enclosure. Each design has it's own benefits, whether it is a square, circle, or oval.

Round/Circle: This is the typical and common subwoofer design. They have a round cone and are a circle in design.

Square: These woofers are able to achieve a greater cone area in a smaller space. Because of the greater surface area, some square subwoofers will be louder than a round subwoofer of the same size.

Round / Circle
Main Cone Color
This is the color of the speaker's or subwoofer's cone.
Black
Woofer Composition
Lightweight woofer cone materials are essential for efficient operation. Poly cones produce exceptional sound and are sturdy against various changes in temperature. Paper cones are very efficient, and when treated for moisture resistance, will perform at a high level. Poly refers to polypropylene, which is thermoplastic or fibers that are polymers of propylene. IMPP refers to injection molded polypropylene, a commonly used process and material in speakers.
Non-Pressed Paper
Woofer Surround
A speakers surround is part of the suspension system. The surround protects the cone and prevents it from being displaced as it flexes out from the basket. It is usually made of a durable material like treated foam or rubber in order to withstand the strenuous job of producing bass frequencies.
Poly-Foam

Recommended Enclosure Specifications

Recommended Enclosure Type
This is the recommended type of enclosure that the subwoofer should be installed into. Some subwoofers are specially designed for particular enclosures.

Sealed: These enclosures completely enclose the air inside the box. These boxes produce a tight bass.

Ported/Vented: These enclosures have a slot of air to escape from the box. The result is a sound that has more "boom".

Bandpass: These are a combination of both sealed and ported enclosures. They can be very efficient, but require tuning for the best response.

Ported / Vented
Optimum Ported Box Volume
This value indicates the ideal ported box volume that the manufacturer recommends for the subwoofer. The volume is typically displayed in cubic feet.
3.00 cubic feet
Top-Mount Depth
The depth when installed on top of the mounting surface. Measured from the bottom of the speaker's magnet to the bottom of the mounting holes on the rim of the speaker.
8.25"
Cutout Diameter
The actual diameter of the hole you will need to cut out if you are creating a new mounting location for this speaker, or if you are mounting a subwoofer in a box.
14.00"

Electromechanical Parameters

Free-Air Resonance (Fs)
The free-air resonance frequency of the subwoofer, measured in Hz. At this frequency the weight of the moving parts is perfectly balanced with the subwoofers suspension system.
34.3 Hz
Equivalent Compliance (Vas)
This is the amount of air that has the same stiffness as the subwoofers suspension. The greater the rating, the lower the stiffness and larger recommended enclosure. It is measured in Liters.
66.02 liters
Total Speaker Q Value (Qts)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including all dimensionless losses. Essentially, a high Qts value (closer to 1.0) means the subwoofer is great for sealed enclosures and a low Qts value (closer to 0) means the woofer is great in vented enclosures. A Qts of around 0.45 means the woofer will work decently in either enclosure type.
.5
Electrical Q Value (Qes)
The subwoofers relative damping (Q) at the resonance frequency (Fs), including electrical losses. Also called the mechanical damping of the subwoofer. The unitless measurement usually varies from 0.5 – 10.
.516
Electrical Resistance of Voice Coil (Re)
Amount of DC resistance of the subwoofer when measured with an ohm meter. Typically, this will read less than the impedance rating of the subwoofer.
3.98 ohms
Mechanical Q Value (Qms)
This is the subwoofers relative damping (Q) at the resonance frequency (Fs), including mechanical losses. Also called the mechanical damping of the subwoofer. This unitless measurement usually varies from 0.5 – 10.
16.55

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
83%
4 Star
17%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
4.8
Value
4.8
Features
4.8
Design
4.8
Usability
4.8
Justin

Las Vegas

Overall
Durability
Value
Features
Design
Usability
DC Audio XL 15D2

December 9, 2014

Just recently got this sub and build quality is very good. I had an RE MX15 that for some reason one of the coils blew and I wasn't even putting max power from the Hifonics BRX 1100.1D. I replaced it with this and the box is 4.0 Cu Ft and it hit the lows really well. Will be turning it up soon. I plan on getting another one of these but finding a box that fits in a 13 civic is hard, so may have to go the custom route. Currently have 0 guage stinger wire and an XS Power battery in the back.. Only thing that made me mad was originally it said I would get it Friday, but it ended up coming on a Monday so I didn't get the weekend to play with it and really tune it. Overall I love the pounding this sub is taking

11 of 13 found this helpful

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Rickey

Toledo Oregon

Overall
Durability
Value
Features
Design
Usability
great deal and product

March 29, 2015

Communication was great and the product is awesome. would definitely do business here again

5 of 7 found this helpful

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ron

South Bend, IN

Verified Purchase
Overall
Durability
Value
Features
Design
Usability
POWERFUL!!!

November 5, 2015

I definitely recommend dc audios xlm2d2 15inch subwoofer it sounds great it's great for spl systems and at a great price.it's worth it!Buy it!I love it!

1 of 1 found this helpful

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Cadillac

Virginia

Overall
Durability
Value
Features
Design
Usability
Great subwoofer

September 15, 2015

I would recommend this woofer. Worth the money. I have it wired to 1 ohm on a Rockford t2500. This thing gets low n loud.

1 of 1 found this helpful

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Jmack805

Oxnard Ca

Overall
Durability
Value
Features
Design
Usability
DC audio xl15 d2

May 13, 2016

Some of the best sounding subs I've owned and I've tried them all from Alpine to FI audio and these are up there with the best and at a great price at Sonic Electronics and not to mention they got here a day early thanks DC audio and Sonic keep up the good work

0 of 0 found this helpful

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ron

South Bend, IN

Overall
Durability
Value
Features
Design
Usability
Powerful

November 1, 2015

I absolutely love this subwoofer.I have it hooked up to a dc amplifier .It sounds great and it's powerful.what else can i say it's perfect.Thank you SONIC ELECTRONICS and DC AUDIO.

0 of 1 found this helpful

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Accessory Tools and Products

Accessories added

25 ft. of Streetwires 12 Gauge Speaker Cable

You'll need speaker wire to hook up that new subwoofer!

Your Price $37.85

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

Your Price $14.99

40 Square Feet of Sound Dampening Material

Thicker than the competition, complete sound damping kit for entire vehicle! Use for trunk, doors, roof and floor.

Your Price $97.99

Stinger Sound Dampening Bulk Kit

Stinger's Roadkill sound dampening series is sure to kill unwanted road noise and rattles! Enough sound dampening for the whole car!

Your Price $94.97

Dynamat Sound Dampening Bulk Kit

Did you know sound dampening will reduce those annoying rattles and even increase your SPL?

Your Price $159.99

2" Universal, Professional Heavy Duty Roller for Sound Damping/Dampening

Universal rubber roller to make it easy to install sound dampening.

Your Price $7.99

Car Stereo and Speaker Installation Tool Kit

Includes Test Light, Crimp/Splice Tool, Multi-bit Screwdriver and more.

Your Price $18.99

Cordless Multi-Functional Heat Tool Soldering Iron Kit

Continuous working lock allows you to work without holding down trigger.

Your Price $74.99

1mm All Purpose Solder

Solder is all purpose for use on most projects where solder is needed.

Your Price $7.99

12 oz. Can of Adhesive Spray

Spray adhesive used for adhering carpet to subwoofer boxes without bubbles.

Your Price $8.99

Spring Post Terminal Cup

Makes adding a spring post terminal to an enclosure simple! Banana clip ready!

Your Price $3.99

Gold Plated Dual Terminal Banana Plug Connector

Enables an expandable, secure connection accepting up to 8 gauge wire.

Your Price $1.99

Scosche SPL Meter

Monitor the noise level of your new car audio system with this SPL meter measuring from 60-135 dB.

Your Price $21.99

1 DC Audio XL15 m2.1 D2 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

2 DC Audio XL15 m2.1 D2 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

3 DC Audio XL15 m2.1 D2 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

4 DC Audio XL15 m2.1 D2 Subwoofers

2 Channel Amp

4 Channel Amp

Browse 2 questions and 1 answer
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Why did you choose this?
Sonic Electronix Store
It's the best of the best and can't ever beat y'all prices!
Hunter H on Jul 23, 2015
wieght of magnet?
A shopper on Feb 23, 2015
· Add Answer · I Have This Question Too (0)

Product Summary

Manufacturer

Model Number

M2XL15D2

Weight

56.60lbs

Internal SKU

m2xl15d2

Internal Product ID

88174

Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: DC Audio XL15 m2.1 D2