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  5. 8" Car Subwoofers Closeout
  6. DC Audio M3-8D2-3

See all parts that fit your 2018 A4 allroad

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
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• 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

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This item has been discontinued

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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

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