Expert Service 1-877-289-7664 [Hours]

Diamond Audio D312D2

12" Dual 2 ohms Subwoofer

Discontinued
|

We apologize

This item has been discontinued

  • 12" Dual 2 Ohms D3 Series Subwoofer
  • Power Handling:
    • Peak: 800 watts
    • RMS: 400 watts
  • Impedance: Dual 2 ohms
  • Thick wall proprietary frame
  • Optimized spider with balanced linear suspension
  • Integrated tinsel leads
  • Vented basket
  • Aluminum dust cap
  • Heavy gauge stamped basket
  • Long throw suspension
  • Vented extended pole piece
  • Shallow mount
  • 1-year SonicElectronix.com warranty

Subwoofer Specifications

Subwoofer Size
Refers to the diameter of the subwoofer, measured in inches.
12"
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.
800 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.
400 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
Frequency Response
The range of frequencies the speaker will reproduce (lowest frequency to the highest). Bigger is better, meaning the wider the range, the better. The optimal range is 20 - 20,000 Hz (which is the range of human hearing).
25 - 250 Hz
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".
86 dB
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.
Textured copolymer
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.
Foam

Recommended Enclosure Specifications

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.
6.2"
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.
11.1"

Warranty and Return Policy

Parts Warranty Duration
Not warranted
Labor Warranty Duration
Not warranted
Warranty Provider
Manufacturer

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
100%
4 Star
0%
3 Star
0%
2 Star
0%
1 Star
0%

Average Attribution Rating

Durability
5.0
Value
5.0
Features
5.0
Design
5.0
Usability
5.0

justin j

rosedale, IN

Overall
Durability
Value
Features
Design
Usability

amzing bang

October 26, 2010

This sub I have mounted in a single ported box and it BANGS...hooked up to a 600 watt monoblock amp it was definitely worth the money

0 of 0 found this helpful

Help our customers find the most helpful reviews

Thomas

Crestwood, KY

Overall
Durability
Value
Features
Design
Usability

Great sub

July 13, 2007

I had one these a while ago before selling it to my cousin. I wanted a single sub setup but i couldnt run a 1ohm load with my amp, but at the time i was running 200watts rms@4ohms and this thing still pounded and it had such great crisp tight hitting bass. This sub with the proper power has to be loud. Diamond audio is a great company and gives you great quality products. This sub is prolly your best bang for your buck.

0 of 0 found this helpful

Help our customers find the most helpful reviews

isabel

Hayward, CA

Overall
Durability
Value
Features
Design
Usability

daimond audio is one of the best in quality

February 6, 2006

i have an older model of this sub hooked up in my car, its louder than some of the two 12's ive heard and im not talking about cheap flea market quality, im talking about punch subwoofers and especially louder than the jl audio w1's subwoofers. Its not about the watts or the size of the magnet its about quality and diamond audio is qaulity. now with this newer d3 model i can just imagine the amount of power it puts out.

0 of 0 found this helpful

Help our customers find the most helpful reviews

Steven

Pine Island, NY

Overall
Durability
Value
Features
Design
Usability

Great SQ

January 26, 2006

This sub is not only loud but it is REAL good SQ.... don’t settle for other cheap subs you will be disappointed… although they may say they have more watts then this they really don’t sound like they do. This product was 100% worth the money. This sub gets louder than 2 subs and you can actually decipher the words! Diamond audio all the way!

0 of 0 found this helpful

Help our customers find the most helpful reviews

Regina

McEwen, TN

Overall
Durability
Value
Features
Design
Usability

diamond

January 9, 2006

this subwoofer is amazing i have never heard another 12 sound this good. its a durable sub and im really proud to own 2 of these.

0 of 0 found this helpful

Help our customers find the most helpful reviews

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 $44.95

Belva 23 ft. of 12 Gauge Speaker Wire

Ultra-flexible PVC blended jacket for easy installation.

Your Price $14.99

20 Square Feet of Sound Dampening Material

NVX Sound dampening is thicker than competitors, eliminates rattles and gives you bigger bass!

Your Price $59.99

Dynamat Sound Dampening Trunk Kit

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

Your Price $109.95

Stinger Sound Dampening Trunk Kit

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

Your Price $69.99

12 oz. Can of Adhesive Spray

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

Your Price $6.99

Spring Post Terminal Cup

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

Your Price $3.99

40" x 15 Ft Piece of Premium Un-Backed Automotive Trim Carpet

Durable design for long life-span, available in many colors and shades.

Your Price $39.99

Gold Plated Dual Terminal Banana Plug Connector

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

Your Price $3.99

Car Stereo and Speaker Installation Tool Kit

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

Your Price $12.99

Xscorpion 9-Piece Nylon Plastic Pry and Chisel Tool Set

Easily removes dash/trims, door clips, panels and pins, rubber grommets and vehicle emblems.

Your Price $14.99

Cordless Multi-Functional Heat Tool Soldering Iron Kit

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

Your Price $79.99

4 Ft of 1/4" Thick Black Heat Shrink Tubing

Provides abrasion resistance and added protection for your cables.

Your Price $3.99

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

1mm All Purpose Solder

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

Your Price $8.99

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

AutoSound 2000 CD-101

Low frequency test CD

Your Price $11.99

Impedance Meter / Signal Generator

Easy to locate tuning frequencies of passive radiators and ported enclosures

Your Price $299.99

1 Diamond Audio D312D2 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

2 Diamond Audio D312D2 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

3 Diamond Audio D312D2 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

4 Diamond Audio D312D2 Subwoofers

2 Channel Amp

4 Channel Amp

Product Summary

Manufacturer

Model Number

D312D2

Weight

22.00lbs

Internal SKU

d312d2

Internal Product ID

5351

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: Diamond Audio D312D2