Garage
Shop

Diamond Audio D912D4

12" Dual 4 Ohms Subwoofer

Diamond Audio
Shop all Diamond Audio
Product videos
highlight-star-icon

D9 Series 12" TDX Bass Driver • 1800W MAX • 800W RMS • Dual 4 Ohm • TDX Technology • Proprietary Composite Hex Cone • NBR Rubber Surrounds • Die-Cast Aluminum Frame • Integrated Radial Venting • Ultra-High Energy Neodymium Magnet

Learn more about the d912d4

We apologize

This item has been discontinued

Product Highlights


D9 Series 12" TDX Bass Driver • 1800W MAX • 800W RMS • Dual 4 Ohm • TDX Technology • Proprietary Composite Hex Cone • NBR Rubber Surrounds • Die-Cast Aluminum Frame • Integrated Radial Venting • Ultra-High Energy Neodymium Magnet

Description


  • D9 Series 12" TDX Bass Driver
  • Peak Power Handling: 1600 Watts
  • RMS Power Handling: 800 Watts
  • Dual 4 Ohm Impedance
  • TDX Technology (Thermal Dyne eXtreme)
  • Proprietary Composite Hex Cone Technology
  • Nitrile Butadine Rubber (NBR) Surrounds
  • Die-Cast Aluminum Frame
  • Dual Progressive Poly-Aramid Composite Fiber Spiders
  • Integrated Radial Venting
  • Aluminum Dust Cap
  • Ultra-High Energy Neodymium Magnet Structure
  • Vented Pole Piece
  • Huge 3" Voice Coil
  • 1-year SonicElectronix.com warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Diamond Audio D912D4 Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Diamond Audio D912D4 Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Diamond Audio D912D4 Subwoofers

Mono Amp

4 Channel Amp

Wiring Guide to Wire 4 Diamond Audio D912D4 Subwoofers

Mono Amp

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp


Best selling similar products

Marine Club 12 small

JBL CB122 Club Marine 12

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Polypropylene Cone
• Rubber Surround
• Impedance: Single 4 ohm
• Mount depth: 7-13/16"
• Sensitivity: 89 dB

(1)

$119.95

List price $379.95

VCW124v3 small

NVX VCW124 Version 3 (VCW124v3)

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

(132)

$239.99

List price $287.99

SQW124 small

NVX SQW124

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 3.51"
• Sensitivity: 84 dB

$299.99

List price $359.99

12W6v3-D4 small

JL Audio 12W6v3-D4

• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Mineral-Filled Polypropylene Cone
• Butyl Rubber Surround
• Mount depth: 7.52"
• Sensitivity: 85.4 dB

(25)

$949.99

List price $949.99

VCW122v3 small

NVX VCW122 Version 3 (VCW122v3)

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Dual 2 ohm
• Carbon Fiber Enhanced Non-Pressed Paper Cone
• Custom High Roll Foam Surround with black nylon stitching
• Mount depth: 7.02"
• Sensitivity: 85 dB (1W/1m)

(95)

$239.99

List price $287.99

CWRT124 small

Kicker CWRT124 (48CWRT124)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• UV-Treated Polypropylene Cone
• UV-resistant Santoprene Surround
• Mount depth: 3-3/4"
• Sensitivity: 85.5 dB

(3)

$199.96

List price $279.99

SRX1240 small

Memphis SRX1240

• Peak Power: 500 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 4.92"
• Sensitivity: 85 dB

$79.99

List price $139.95

SW-M12D2 small

Sundown Audio M-12 D2 12" (M12D2)

• Peak Power: 4000 watts
• RMS Power: 2000 watts
• Impedance: Dual 2 ohm
• Polypropylene Cone
• High Roll Foam Surround
• Mount depth: 10.88"
• Sensitivity: 80.6 dB

(2)

$599.99

List price $719.99

Stage 122 small

JBL Stage 122 (JBLSUBST122AM)

• Peak Power: 1000 watts
• RMS Power: 250 watts
• Impedance: Single 4 ohm
• Polypropylene Cone
• Rubber Surround
• Mount depth: 6"
• Sensitivity: 91 dB

$109.95

List price $129.95

52L7XS121 small

Kicker L7XS121 (52L7XS121)

• RMS Power: 1500 - 3000 watts
• Impedance: Dual 1 ohm
• Double-pressed pulp Cone
• Nitrile Butadiene Rubber NBR Surround
• Mount depth: 10-1/8"

$1399.99

List price $1499.99

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
Peak Power Handling
1600 watts
RMS Power Handling
800 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
4 ohm
Frequency Response
20 - 250 Hz
Sensitivity
86 dB
Woofer Surround
NBR Rubber
Recommended Enclosure Specifications
Top-Mount Depth (Mounting Depth)
8"
Cutout Diameter
11.1"

Item Details


Manufacturer:

Model Number:

D912D4

Weight:

28.00lbs

Internal SKU:

d912d4

Internal Product ID:

5357

Product and How-to Videos


Customer Ratings & Reviews


Diamond Audio D912D4 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


BX10D4 small

Hifonics BX10D4

Brutus Series Dual 4 ohms 10" Subwoofer

(1)

$69.99

List price $169.99

Related Searches


Save up to 10 different vehicles in your garage

Add vehicle
Loading...
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

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.