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Memphis 15-C312D4 Open Box

(Open Box) 12" Dual 4 ohms C3 Series Cast Subwoofer

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12" Dual 4 Ohm C3 Series Subwoofer • 1200 Watts Max • 600 Watts RMS • Parabolic Reflex Cone Design • Durable Butyl Rubber Surround • Black Wrinkle-Finish Aluminum Basket • Proprietary Branded Chrome Speaker Terminals

Learn more about the LS-15c312d4-OB

We apologize

This item has been discontinued

Product Highlights


12" Dual 4 Ohm C3 Series Subwoofer • 1200 Watts Max • 600 Watts RMS • Parabolic Reflex Cone Design • Durable Butyl Rubber Surround • Black Wrinkle-Finish Aluminum Basket • Proprietary Branded Chrome Speaker Terminals

Description


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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.

  • 12" Dual 4 Ohm C3 Series Subwoofer
  • Power Handling:
    • Peak: 1200 watts
    • RMS: 600 watts
  • Impedance: 2 Ohm
  • Parabolic reflex cone design
  • Durable butyl rubber surround
  • Chrome back plate
  • Chrome mesh accent
  • Laser etched Logos
  • Black wrinkle-finish aluminum basket
  • 82oz magnet with copper voice coil
  • Proprietary branded chrome terminals
  • Sensitivity: 86 dB
  • 1-year SonicElectronix.com warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Memphis 15-C312D4 Open Box Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Memphis 15-C312D4 Open Box Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Memphis 15-C312D4 Open Box Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Memphis 15-C312D4 Open Box Subwoofers

2 Channel Amp

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
1200 watts
RMS Power Handling
600 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Sensitivity
86.5 dB
Xmax (millimeters)
9.14 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Surround
Butyl Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
0.81 cubic feet
Maximum Sealed Box Volume
0.81 cubic feet
Minimum Ported Box Volume
2.19 cubic feet
Maximum Ported Box Volume
2.19 cubic feet
Top-Mount Depth (Mounting Depth)
6.5"
Cutout Diameter
10-3/4"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Sonic Electronix

Item Details


Manufacturer:

Model Number:

15-C312D4-OB

Weight:

23.00lbs

Internal SKU:

LS-15c312d4-OB

Internal Product ID:

20303

Product and How-to Videos


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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.