Garage
Shop

See all parts that fit your 1979 Courier

TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company)

12" Single 4 ohm Subwoofer (MPN #99122)

Product videos
highlight-star-icon

12" Single 4 Ohm Subwoofer • Injection Molded Polypropylene Woofer Cone • Rubber Surround • Powerful Motor System • Vented Coil Gaps • Large 4-Layer Voice Coil • 2" Kapton Form Voice Coil • Enhanced Suspension

Learn more about the t12s4p

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
DB402 main

Polk Audio DB402 (DB 402)

270W Peak (90W RMS) 4" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

35
-9.99%

$90.00

List price $99.99

TS-A1081F main

Pioneer TS-A1081F

460W Peak (100W RMS) 4” A Series 2-way 4-ohm Coaxial Car Speakers

3
-18.18%

$90.00

List price $110.00

Limited time!
REF407F main

Infinity REF407F (INFSPKRF407FUS)

210W Peak (75W RMS) 4" Reference Series 2-Way Coaxial 3-ohm Speakers

-37.16%

$87.95

List price $139.95

C1-400x main

JL Audio C1-400x

70W RMS 4" C1 Series 2 Way Coaxial 4-ohm Car Speakers

8
51KSC404 main

Kicker KSC4 (51KSC404)

300W Peak (150W RMS) 4" KS Series 2 Way Coaxial 4-ohm Speakers

3
-16.67%

$99.99

List price $119.99

R14X2 main

Rockford Fosgate Prime R14X2

120W Peak (60W RMS) 4” Prime Series 2 Way Coaxial 4-ohm Speakers

17
STAGE245F main

JBL Stage2 45F (STAGE245F)

100W Peak (50W RMS) 6.5" Stage2 Gen 2 Series 2 Way Coaxial Speakers

-27.55%

$49.99

List price $69.00

Limited time!
C2-400X main

JL Audio C2-400x

70W RMS 4" C2 Series 2-Way Coaxial 4-ohm Car Speakers

9
-13.16%

$164.99

List price $189.99

P142 main

Rockford Fosgate Punch P1 P142

120W Peak (60W RMS) 4" Punch Series 2 Way Coaxial 4-ohm Speakers

17
Limited time!
46CSC44 main

Kicker CSC4 (46CSC44)

300W Peak (100W RMS) 4” CS Series 2 Way Coaxial 4-ohm Speakers

38
-29.45%

$59.96

List price $84.99

Product Highlights


12" Single 4 Ohm Subwoofer • Injection Molded Polypropylene Woofer Cone • Rubber Surround • Powerful Motor System • Vented Coil Gaps • Large 4-Layer Voice Coil • 2" Kapton Form Voice Coil • Enhanced Suspension

Description


  • 12" Single 4 ohm Subwoofer
  • Power Handling:
    • RMS: 150 watts
  • Impedance: Single 4 ohm
  • Injection molded polypropylene woofer cone
  • Rubber surround
  • Powerful motor system
  • Enhanced suspension design
  • Long excursion capability
  • Vented coil gaps
  • Sensitivity: 87.4dB
  • Large 4-layer voice coil
  • 2" Kapton form voice coil
  • 1-year SonicElectronix.com warranty

Subwoofer Wiring Guide


Wiring Guide to Wire 1 TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company) Subwoofer

Mono Amp

2 Channel Amp - Bridged

Wiring Guide to Wire 2 TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company) Subwoofers

Mono Amp

2 Channel Amp

4 Channel Amp - Bridged

Wiring Guide to Wire 3 TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company) Subwoofers

4 Channel Amp

Wiring Guide to Wire 4 TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company) Subwoofers

Mono Amp

Mono Amp - Option 1

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

Specifications & Details


Subwoofer Specifications
Subwoofer Size
12"
RMS Power Handling
150 watts
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
Sensitivity
87.4 dB
Xmax (millimeters)
7.16 mm
Subwoofer Design
Round / Circle
Main Cone Color
Silver
Woofer Composition
Injection Molded Polypropylene
Woofer Surround
Rubber
Subwoofer Grille
No
Re-Cone Kit Available
No
Recommended Enclosure Specifications
Recommended Enclosure Type
Ported / Vented
Sealed
Minimum Sealed Box Volume
1.0 cubic feet
Maximum Sealed Box Volume
1.4 cubic feet
Minimum Ported Box Volume
1.5 cubic feet
Maximum Ported Box Volume
1.5 cubic feet
Top-Mount Depth (Mounting Depth)
5-1/4"
Cutout Diameter
11"
Shallow Mount Installation
No
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

T12S4P

Weight:

12.00lbs

Internal SKU:

t12s4p

Internal Product ID:

18917

Product and How-to Videos


Customer Ratings & Reviews


TOTAL Mobile Audio T12S4P (TMA - A JL Audio Company) 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


SV-6827 small

Crimestopper SV-6827

170 Degree Lip Mount CMOS Color Camera for Side Mirrors

(1)

$49.99

List price $119.95

Related Searches


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

1979 Ford Courier

1983 Volkswagen Quantum

2011 Suzuki Kizashi

1984 Ford LTD Crown

2021 Kia Niro

2010 Mercedes-Benz AMG E-Class

2017 Toyota Prius C

2004 BMW X5

2024 Mercedes-Benz E-Class

2004 Audi A4

Vehicle
Store
Delete

2004 Harley Davidson FLHT Electra Glide Standard

2004 Harley Davidson FLHTC/I Electra Glide Classic

Vehicle
Store
Delete

2021 Can-Am Defender XT HD8

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.