Garage
Shop

See all parts that fit your 1983 DeVille

MTX 3512-04S - New (Damaged Packaging, Product A+)

600W Max (300RMS) 12" 35 Series Single 4 ohm Shallow Mount Subwoofer

MTX
Shop all MTX
highlight-star-icon

• 600W Max
• 300W RMS
• Slim Profile for Mounting In Tight Spaces
• Inverted Apex Surround
• Horizontal Spring-Loaded Terminals
• Sensitivity: 84.4dB

Learn more about the ls-351204s-obc10

We apologize

This item has been discontinued

Description


MTX brand icon

Authorized dealer

Item Condition - New, Damaged Packaging:

The product is brand new with only the packaging not being in perfect condition. This occurs sometimes because our warehouse teared the box or it was slightly damaged during shipment to our warehouse.

MTX 3512-04S

300W RMS 12" 35 Series Single 4-ohm Shallow Car Subwoofer
Quantity: 1

Product Details:

  • 12" Single 4 ohm 35 Series Subwoofer
  • Power Handling:
    • RMS: 300 watts
  • Polypropylene Cone
  • Inverted Apex Surround
  • Spider Plateau Venting
  • 8 AWG Compression Terminals
  • 2" High Temperature Voice coil
  • 10.21 mm Xmax
  • 44 oz. Single Stacked magnet motor structure
  • Frequency Response: 23 - 130 Hz
  • Resonance Frequency (Fs): 29.61 Hz
  • Sensitivity: 84.4 dB
  • Recommended sealed box volume: 0.75 cubic feet - 0.95 cubic feet
  • Top-mount depth: 3.375"
  • Cutout diameter: 11.125"
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

  • Priced Individually

Product history:

MTX 351204s Open Box thumbnail
(newest, current model)
MTX 3512-04 thumbnail
(previous model, replaced by MTX 3512-04S - New (Damaged Packaging, Product A+))

Subwoofer Wiring Guide


Wiring Guide to Wire 1 MTX 3512-04S - New (Damaged Packaging, Product A+) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 MTX 3512-04S - New (Damaged Packaging, Product A+) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 MTX 3512-04S - New (Damaged Packaging, Product A+) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 MTX 3512-04S - New (Damaged Packaging, Product A+) Subwoofers

Mono Amp

Mono Amp - Option 1

2 Channel Amp

2 Channel Amp - Bridged

4 Channel Amp

Specifications & Details


Subwoofer Specifications
Series
35 Series
Subwoofer Size
12"
Peak Power Handling
600 watts
RMS Power Handling
300 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Voice Coil Diameter
2"
Frequency Response
23 - 130 Hz
Sensitivity
84.4 dB
Subwoofer Design
Round / Circle
Main Cone Color
Dark Gray
Recommended Enclosure Specifications
Recommended Enclosure Type
Sealed
Optimum Sealed Box Volume
.75 - .95 cubic feet
Top-Mount Depth (Mounting Depth)
3.375"
Cutout Diameter
11.125"
Shallow Mount Installation
Yes
T/S Parameters (Electromechanical)
Free-Air Resonance (Fs)
29.61 Hz
Equivalent Compliance (Vas)
58 liters
Total Speaker Q Value (Qts)
.69
Electrical Q Value (Qes)
.87
Electrical Resistance of Voice Coil (Re)
3.13 ohm
Mechanical Q Value (Qms)
3.33
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:

MTX

Model Number:

351204s Open Box

Weight:

10.00lbs

Internal SKU:

ls-351204s-obc10

Internal Product ID:

155617

Customer Ratings & Reviews


MTX 3512-04S - New (Damaged Packaging, Product A+) 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


KSC-SW10 small

Kenwood KSC-SW10 Open Box

(Open Box) 150W Max, Powered Subwoofer Enclosure with Bass Remote and Loaded with a 5" x 7" Sub

$139.99

List price $269.99

PRO1800 small

Absolute PRO1800

12" Dual 4 ohms Pro Series Subwoofer

(4)

$84.99

List price $199.99

D2205 small

Directed Audio (DEI) D2205

5-Channel Hybrid Amplifier with ESP and Class D 5th Channel for Sub(s)

(3)

$319.99

List price $899.99

Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2015 GMC Terrain

1983 Cadillac DeVille

1998 Honda Prelude

1979 Mazda GLC

1995 Dodge Stratus

2013 Toyota Avalon

2022 Kia Seltos

2004 Ford Crown Victoria

2022 Audi e-tron Quattro

2015 Kia Soul EV

Vehicle
Store
Delete

2002 Harley Davidson FLTR Road Glide

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
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.