Garage
Shop

Diamond Audio DMD122

400W Peak (200W RMS) 12" DMD Series Dual 2-ohm Car Subwoofer

Diamond Audio
Shop all Diamond Audio
Only 2 Left!
highlight-star-icon

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: Dual 2 ohm
• Polypropylene cone
• Mount depth: 5.93"
• Sensitivity: 86 dB

Learn more about the dmd122
Light bulb Icon

Discover more. Set your vehicle.

Thanks , You Pay:

$189.99

 with warranty
Starting at $18/mo or 4 payments of $48 Buy now, pay later and installment payment plans are offered by Afterpay and Affirm. Learn more

Heads up

We confirm fitment and offer accessories for speakers. Please set your vehicle first if you would like to purchase more than one dmd122.

Set your vehicle or Return to product page
shipping truck icon Free shipping in USA. Provide zip for delivery date.
Dollar Icon
VIP Product Get $19.00 in rewards to spend later
Quantity
In Stock. Only 2 Left!
Brand new

Buy it now

NSW122v3 main
NVX NVX NSW122 Version 3 (NSW122v3) 1000W Peak (500W RMS) N-Series v3 12" Dual 2-Ohm Car Subwoofer

(65)

$99.99 $119.99
Sponsored

Acima Logo

No Credit Option

Flexible Lease Payments

Early Purchase Options

Quick Approval Decision

Extend logo

Keep your product protected longer! Extend the warranty after the manufacturer warranty expires. 

  • Hassle-free immediate replacement within minutes!
  • Easy online claims 24/7
  • Covers product breakdowns and failures
Swoosh Icon Icon of Swoosh

For over 25 years, we've been your X-Factor – the team dedicated to having the biggest impact on your shopping experience!

Award winning icon
Award-Winning Service
Shipping icon
FREE Shipping Orders $49+
60 days return policy icon
60-Day Easy Returns
lowest price guarantee icon
Guaranteed Lowest Price
inHouseExpert
In-House Experts
NVX - Worth the Envy - Direct to Consumer Car Audio

Choose from any of our many bundles that include this product for even more savings!

DMD5001D_DMD122_2 small

Diamond Audio DMD500.1D with DMD122 Sub

500W RMS DMD Series Monoblock Class-D Amplifier + Pair (2) DMD Series 12 inch 2Ω DVC Subwoofer

$539.99

List price $639.97

Bundle Savings of $99.98

Current Promotions (1 offer)


Get a Free roll of Belva 16 Gauge Speaker Wire. Simply click the "Add Both to Cart" button and you will see your savings at checkout. This offer cannot be combined with any other coupons or offers.

Diamond Audio DMD122

100% off


Priced separately $202 98

Promo Savings of $12 99

Total price:

$189 99

Description



Diamond Audio DMD122

Introducing the DMD Series Subwoofers from Diamond Audio – the perfect entry-level choice for those seeking economical value and reliable performance. Achieving significant performance improvements through continuous R&D, the DMD Series incorporates chemically treated voice coils and cross-flow design basket frames for superior thermal heat dissipation.

Engineered for optimal value, the DMD Series features a higher-density NBR half-roll surround to ensure greater linear performance. The Klippel DA optimized motor and suspension symmetry guarantee that DMD Series subwoofers deliver tight and balanced bass notes, enhancing any car audio system. Experience the exceptional quality and reliability of the DMD Series Subwoofers. Upgrade your audio system today and enjoy the perfect blend of performance and value with Diamond Audio's DMD Series.


Product Details:

  • 12" Dual 2 ohm DMD Series Subwoofer
  • Power Handling:
    • Peak: 400 watts
    • RMS: 200 watts
  • Polypropylene cone
  • 8.1 mm Xmax
  • Double Stacked magnet motor structure
  • Klippel optimized motor and suspension symmetry
  • High-graded rolled edged 4 leg black powder coat stamped frame
  • Oversized black chrome push terminals
  • Black spider with woven tinsel leads
  • Black PVC wrap around mounting gasket
  • Vented pole piece for cooler operation
  • Resonance Frequency (Fs): 33.5 Hz
  • Sensitivity: 86 dB
  • Recommended sealed box volume: 1.00 cubic feet
  • Recommended ported box volume: 1.75 cubic feet
  • Top-mount depth: 5.93"
  • Cutout diameter: 11.1"
  • Subwoofer mesh grille: Diamond Audio DES12G (sold separately)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

PDF IconDiamond Audio DMD122 owner’s manual

Product history:

Diamond Audio DMD122 thumbnail
(newest, current model)
Diamond Audio D122 thumbnail
(previous model, replaced by Diamond Audio DMD122)

Subwoofer Wiring Guide


Wiring Guide to Wire 1 Diamond Audio DMD122 Subwoofer

Mono Amp

Mono Amp - Option 1

2 Channel Amp - Bridged

Wiring Guide to Wire 2 Diamond Audio DMD122 Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 Diamond Audio DMD122 Subwoofers

Mono Amp

Mono Amp - Option 1

4 Channel Amp

Wiring Guide to Wire 4 Diamond Audio DMD122 Subwoofers

2 Channel Amp

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

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

(18)

$199.96

List price $279.99

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

(82)

$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

SW-LCSV212D4 small

Sundown Audio LCS 12 v.2 D4 12" (LCS12V2D4)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 4 ohm
• Paper cone
• Foam surround
• Sensitivity: 87.4 dB

(3)

$99.99

List price $209.99

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

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

12TW3-D4 small

JL Audio 12TW3-D4

• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.5"
• Sensitivity: 84.11 dB

(20)

$569.99

List price $569.99

Specifications & Details


Subwoofer Specifications
Series
DMD Series
Subwoofer Size
12"
Peak Power Handling
400 watts
RMS Power Handling
200 watts
Voice Coil(s)
Dual
Impedance (Per Voice Coil)
2 ohm
Sensitivity
86 dB
Xmax (millimeters)
8.1 mm
Subwoofer Design
Round / Circle
Main Cone Color
Black
Woofer Composition
Polypropylene
Magnet Structure
Double Stacked
Subwoofer Grille
Optional (Accessory required and sold separately)
Re-Cone Kit Available
No
CTA-2031 Compliant
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Optimum Sealed Box Volume
1.00 cubic feet
Optimum Ported Box Volume
1.75 cubic feet
Top-Mount Depth (Mounting Depth)
5.93"
Cutout Diameter
11.1"
Shallow Mount Installation
No
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
33.5 Hz
Equivalent Compliance (Vas)
98.3 liters
Total Speaker Q Value (Qts)
0.67
Electrical Q Value (Qes)
0.75
Electrical Resistance of Voice Coil (Re)
3.85 ohm
Mechanical Q Value (Qms)
6.0
What is in the box?
Paperwork
User manual
WITB: Subwoofers
Subwoofer
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

DMD122

Weight:

34.00lbs

Internal SKU:

dmd122

Internal Product ID:

174539

Customer Ratings & Reviews


Diamond Audio DMD122 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


NSW122v3 main

NVX NSW122 Version 3 (NSW122v3)

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Impedance: Dual 2 ohm
• Enhanced Pressed Paper Cone
• High Roll Foam Surround
• Mount depth: 6.0"
• Sensitivity: 87 dB

(65)

$99.99

List price $119.99

DMD124 main

Diamond Audio DMD124

• Peak Power: 400 watts
• RMS Power: 200 watts
• Impedance: Dual 4 ohm
• Polypropylene cone
• Mount depth: 5.93"
• Sensitivity: 86.2 dB

(1)

$189.99

List price $169.99


ZR112LD small

DS18 ZR112LD

1600W Peak (800W RMS) Loaded Single 12" Vented Enclosure

$359.95

List price $359.95

CWRT84 small

Kicker CWRT84 (48CWRT84)

600W Peak (300W RMS) 8" CompRT Series Dual 4-ohm Shallow Car Subwoofer

(8)

$151.96

List price $209.99

VTK101 small

BOYO Vision VTK101

Universal Flush Mount Backup Camera with Ultra Low Light Performance (Mirror)

$176.40

List price $196.00

FKB113 small

MB Quart FKB113

180W Peak (90W RMS) 5.25" Formula Series 2-Way 4-ohm Coaxial Car Speakers

(4)

$29.99

List price $69.99

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.