Garage
Shop
Account Icon
Account
Box Icon
Track
order
Telephone Icon
Call
Help Icon
Help
Door with Arrow Icon
Sign In
  1. Home
  2. Closeout
  3. Car Audio & Electronics Closeout
  4. Car Subwoofers Closeout
  5. 8" Car Subwoofers Closeout
  6. DC Audio M3-8D2-3

See all parts that fit your 2022 Altima

DC Audio M3 8 D2-Open Box, Good Condition Used

1200W Peak 8" m3 8-Series Dual 2-Ohm Car Subwoofer - 8m3 D2

DC Audio
Shop all DC Audio
highlight-star-icon

• Peak Power: 1200W
• RMS Power: 600W
• Dual 2 ohm Voice Coil
• Rigid Non-Pressed Paper Cone Assembly
• Multilayered Polymer Wide Roll Foam Surround

Learn more about the ls-m3-8d2-obc5

We apologize

This item has been discontinued

Show me more products from this category
Go to Category

Description

DC Audio brand icon

Authorized dealer

Item Condition - Open Box, Great:

This product works like new, is well-cared-for and in great condition. May show limited signs of wear or use and may be missing non-essential parts, accessories or original packaging.

Item Condition - Open Box, Good Condition:
A Good Open Box used product shows wear from consistent use, but it remains in good condition and works perfectly. It may be marked, have identifying markings on it, or show other signs of previous use or installation. Original packaging, paperwork or protective wrapping may be missing or not included in its entirety. Warranty details are included in the item description or comments.

General Features:

  • 8" Dual 2 ohm m3 8 Series Car Subwoofer
  • Power Handling:
    • Peak: 1200 watts
    • RMS: 600 watts
  • Recommended powr range: 400 - 600 watts RMS
  • Extremely rigid non-pressed paper cone assembly
  • Multilayered polymer wide roll foam surround
  • Polypropylene dust cover with embossed DC logo
  • Bolted down and spaced linear roll spiders
  • Sewn flat heavy duty tinsel lead wire
  • DVC 2" copper voice coil
  • Rubber mounting gasket
  • FEA analyzed and optimized motor assembly
    • Fully CNC machined
  • Top-mount depth: 5.75"
  • Sensitivity: 78.7dB
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

m3-8 8" T/S Parameters:

  • Electrical Q Value (Qes): .66
  • Mechanical Q Value (Qms): 6.68
  • Total Speaker Q Value (Qts): .601
  • Free Air Resonance (Fs): 35.3
  • Equivalent Compliance (Vas): 7.3 liters
  • One-Way, Linear Excursion (Xmax): 18mm
  • Efficiency (Ref SPL @ 1W): 78.7dB
  • Effective Piston Area (Sd): 201.93 cm²
  • DC Resistance (Re): 6.28
  • Nominal Impedance (Znom): Dual 2 ohm
  • Force Factor (Bl): 17.9
  • Mechanical Compliance (Cms): .135 mm/N
  • Mechanical Mass (Mms): 150.66g
  • Voice Coil Inductance (Le): 5 mH
  • Suggested Sealed Enclosure: Not Recommended
  • Suggested Ported Enclose: .75 ft³

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

Subwoofer Wiring Guide

Wiring Guide to Wire 1 DC Audio M3 8 D2-Open Box, Good Condition Used Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 DC Audio M3 8 D2-Open Box, Good Condition Used Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 DC Audio M3 8 D2-Open Box, Good Condition Used Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 DC Audio M3 8 D2-Open Box, Good Condition Used Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details

Subwoofer Specifications
Series
M3 8 Series
Subwoofer Size
8"
Peak Power Handling
1200 watts
RMS Power Handling
600 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Voice Coil Diameter
2"
Sensitivity
78.7 dB
Xmax (millimeters)
18 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Non-Pressed Paper
Woofer Surround
Poly-Foam
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Optimum Ported Box Volume
.75 cubic feet
Top-Mount Depth (Mounting Depth)
5.75"
Cutout Diameter
7.25"
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
35.3 Hz
Equivalent Compliance (Vas)
7.3 liters
Total Speaker Q Value (Qts)
.601
Electrical Q Value (Qes)
.66
Electrical Resistance of Voice Coil (Re)
6.28 ohm
Mechanical Q Value (Qms)
6.68
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details

Manufacturer:

DC Audio

Model Number:

M3-8D2-3

Weight:

20.00lbs

Internal SKU:

ls-m3-8d2-obc5

Internal Product ID:

175605

Customer Ratings & Reviews

DC Audio M3 8 D2-Open Box, Good Condition Used thumbnail image
5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%
Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:
Loading...
Sorry, no reviews found
8SQV main

Single 8" Vented Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

(24)

$77.95

List price $99.99

Add to cart
Single 8” main

Single 8" Ported Subwoofer Enclosure

Durable 3/4" Medium Density Fiberboard (MDF) Construction

$129.99

List price $219.99

Add to cart
XWS1225 main

NVX 25 ft. of True Spec 12 Gauge Speaker Wire

100% OFC wire with EnvyFlex metallic jacket insulates and protects against damage from extreme conditions.

(56)

$29.99

List price $49.99

Add to cart
BBSW127 main

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

(43)

$6.99

List price $14.99

Add to cart
SDTK20 main

NVX SDTK20

20 Square Feet of Sound Damping Material

(123)

$49.99

List price $71.99

Add to cart
SDBP40 main

NVX SDBP40

40 Square Feet of Sound Dampening Material

(131)

$104.99

List price $119.99

Add to cart
RKXTK main

Stinger RKXTK

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

(9)

$155.99

List price $339.00

Add to cart
RKX36B main

Stinger RKX36B

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

(54)

$210.99

List price $519.00

Add to cart
19405 main

Dynamat Trunk Kit

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

(47)

$156.95

List price $187.44

Add to cart
SDRLR1 main

NVX SDRLR1 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

(125)

$10.99

List price $13.99

Add to cart
SDRLR2 main

NVX SDRLR2 Sound Damping Rubber Roller

Universal Professional Heavy Duty Roller for Sound Damping

(19)

$11.99

List price $14.99

Add to cart
BAMMD3 main

Belva BAMMD3

Nine Function Digital Multimeter

(7)

$9.99

List price $29.99

Add to cart
XP750 main

XS Power XP750

12-Volt Deep Cycle AGM Battery Power Cell with 750-Max Amps

(8)

$119.99

List price $199.99

Add to cart
D3400 main

XS Power D3400

12-Volt Deep Cycle Sealed Non-Spillable Lead Acid AGM Battery Power Cell with 3300 Max Amps (BCI Group 34)

(87)

$419.99

List price $429.99

Add to cart
DCX1303_2 small

Hertz DCX130.3 (2-Pairs, 4-Total)

160W Peak (80W RMS) 5.25" Dieci Series 2-Way Coaxial Car Speakers (2-Pairs)

$259.98

List price $300.00

No picture

Kicker 02KX400.1 KX-Series 02KX400.1

$222.99

List price $429.99

05KI47 small

Kicker KI47

7 Meters (23.1 ft.) 4-Channel RCA Interconnect Cables 05KI47

(1)

$44.99

List price $49.99

Related Searches

› DC Audio › DC Audio 8" Car Subwoofers › 8" Car Subwoofers under $200
Save up to 10 different vehicles in your garage
Vehicle
Store Delete

2022 Nissan Altima

2003 Ford Ranger

2010 Ford Transit Connect

1986 Jeep Comanche

2015 MINI Cooper

2000 Lexus SC400

2019 Honda CR-V

2011 Honda Element

2018 GMC Canyon

1989 Ford Escort

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm

Cancel

This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue

Cancel

Shop your 2022 Altima
Why Use a Vehicle Fit Guide?
Change vehicle | Shop without vehicle
Whoa! Slow down. Add your details below!
additional information required
Add vehicle details to confirm fitment
Ignore fitment details
Find stereos and more that work -- fast.

Additional information:

Remove

Can't find your vehicle? Click here and we'll help.

Where to find vehicle info

Go to Fitment

Didn't find your car?

Submit your details and we'll help!
Please enter the letters as they are shown in the image above. Letters are not case-sensitive.
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon
Back

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.

Back
Track your order
Call our experts
Support Center
Return & Exchanges
Follow on Instagram Instagram logo
Subscribe on YouTube YouTube logo