Garage
Shop

See all parts that fit your 2008 Ram 3500

MTX Audio Thunderform FRANX99G20A-T45 (Gray, Amplified)

Ford Ranger Super Cab 1999-2007, Amplified 2 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure

MTX
Shop all MTX
highlight-star-icon

Amplified Dual 10" Loaded Vehicle Specific MTX Thunderform Subwoofer Enclosure • For 1999-2007 Ford Ranger Super Cab • Loaded with 2 Thunder4500 Subwoofers • 900W Max • 450W RMS • 4 ohm

Learn more about the franx99g20at45

We apologize

This item has been discontinued

NVX - Worth the Envy - Direct to Consumer Car Audio

Loading...
72-6514 main

Metra 72-6514

Install New Speakers in select 1999-2026 vehicles from Dodge, Ram, Jeep

70
-37.52%

$9.99

List price $15.99

CR-6 main

American International CR-6

Connect Factory Antenna to New Aftermarket Radio in select 2002-2020 vehicles from Ford, Chevrolet, GMC

39
-73.38%

$3.99

List price $14.99

82-6901 main

Metra 82-6901

5.25” or 6.5” Speaker Mounting Adapters for select 1977-2024 vehicles from Dodge, Chevrolet, Chrysler

39
-34.80%

$14.99

List price $22.99

RP4-CH11 main

PAC RP4-CH11

Install New Car Stereo and Retain Steering Wheel Controls, Entertainment System, and Other Factory Features in select 2004-2018 vehicles from Dodge, Jeep, Chrysler

12
-59.63%

$152.99

List price $379.00

70-6514 main

Metra 70-6514

Amplifier Bypass Harness for select 2004-2009 vehicles from Dodge, Chrysler

3
-10.81%

$65.99

List price $73.99

99-6507 main

Metra 99-6507 Dash Kit

Install a new Single-DIN or Double-DIN car stereo in select 2004-2010 vehicles from Dodge, Chrysler, Jeep (Matte Black)

8
-11.12%

$23.99

List price $26.99

72-7902 main

Metra 72-7902

Install New Speakers in select 1990-2024 vehicles from Ram, Dodge, Jeep

20
-28.59%

$9.99

List price $13.99

95-6528B main

Metra 95-6528B Dash Kit

Install a new Double-DIN car stereo in select 2006-2010 Ram 2500 / 1500 / 3500 / 4500 trucks (Matte Black)

4
-31.83%

$29.99

List price $43.99

CDK649 main

American International CDK649

Single DIN or Double DIN Stereo Dash Kit for select 2005-2008 vehicles from Dodge, Jeep, Chrysler with Navigation

6
-64.74%

$11.99

List price $34.00

Limited time!
46CSC654 main

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2 Way Coaxial 4-ohm Speakers

254
-33.36%

$79.96

List price $119.99

Description


MTX brand icon

Authorized dealer

Authorized MTX Dealer

Subwoofer Features:

  • Dual 10" Thunder4500 Subwoofers
  • Subwoofer Power Handling:
    • Peak: 900 watts
    • RMS: 450 watts
  • Impedance: 4 ohm
  • Carbon filled polypropylene cone
  • Polyether foam surround
  • Asymmetrical Linear Drive System (ALDS): flat progressive spider and extended pole piece for smooth, linear, piston like drive
  • Spider Plateau Venting technology, which ensures a cooler, more reliable subwoofer
  • Precision Stamped Basket for greater structural integrity
  • FEA optimized roll geometry to maximize excursion without sacrificing cone surface area
  • Stitched Cone for added durability and style
  • Long Integral Tinsel Leads are woven into the spider for better bass extension with greater durability
  • Voice coils are wound on an Apical voice coil former for high power handling
  • Industry leading thermal power handling using 428˚F High Temperature Voice Coil Wire
  • 1.5" Voice coil
  • 30oz. Strontium Ferrite magnet
  • Frequency response: 35-150 Hz
  • Sensitivity: 90 dB
  • 1-year Manufacturer's warranty

Enclosure Features:

  • Dual 10" Sealed Loaded Thunderform Subwoofer Enclosure with built-in Amplifier
  • For 1999-2007 Ford Ranger Supercab 4-door
  • Mounts under the rear jump seats
  • Subwoofers fire down
  • Factory jack is still accessible
  • Install hardware included
  • Built-in 200 watt Class D Amplifier
  • EBC and wire harness included
  • Made of a high density polyethylene resin, which is flexible enough to transform into a variety of shapes and sizes, yet strong enough to avoid flexing
  • Enclosure volume: 0.92 cubic feet, sealed
  • Molded factory color is Gray
  • Also available in: Charcoal and Tan
  • Dimensions: 12"D x 51-5/16"W x 8-3/8"H
Note: Since each MTX Audio Thunderform is custom made to order, it can ship within 2 to 5 business days. When ordering please allow enough time for the manufacturing and shipping of the product.

Loading...
51KRDL7T102 main

Kicker KRDL7T10 (51KRDL7T102)

1000W RMS Loaded Dual 10" Sealed Truck Enclosure for select 2002-2024 vehicles from Ram, Dodge

1
-10.53%

$849.99

List price $949.99

DRQC20AC-TN main

MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified)

select 2002-2018 vehicles from Ram, Dodge Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure

2
SB-D-QDRAMD/10TW1 main

JL Audio Stealthbox® SB-D-QDRAMD/10TW1

Custom fit subwoofer enclosure for select 2002-2024 vehicles from Ram, Dodge

3

$1,699.99

DRQC20C-TN main

MTX Audio Thunderform DRQC20C-TN (Charcoal, Loaded)

Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure for select 2002-2018 vehicles from Ram, Dodge

1
SB-D-QDRAM/10W3v3 main

JL Audio Stealthbox® SB-D-QDRAM/10W3v3 (Open Box, Like New)

Custom fit subwoofer enclosure for select 2002-2024 vehicles from Ram, Dodge

1

$1,249.99

51KR_46CXA_RCT_XK42_NK_49K main

Kicker KRDL7T10 Sub Enclosure + CXA1200.1 Amp + Remote w/ Free Amp Install Kit

1000W RMS Dual 10" Sealed Truck Enclosure, 1200W RMS Class D Monoblock Amp, Wired Bass Remote, 4 Gauge OFC Amp Kit, and 2 Koozies

158
-18.40%

$1,290.01

List price $1580.93

51KRDL_NDA15_XK42_NK_KK main

Kicker KRDL7T10 Subwoofer Enclosure + NVX NDA15001 Amp w/ Free Amp Install Kit

1000W RMS Loaded Dual 10 inch Sealed Truck Enclosure, 1500W RMS Class D Monoblock Amplifier with Bass Remote, 4 Gauge OFC Wiring Kit and Koozies

138
-24.94%

$1,050.02

List price $1398.94

Lowest price in 30 days
THUNDER52,THUNDER693,DRQC20AC-TN main

2002-2013 Dodge Ram Quad/Crew Cab Powered Dual 10" MTX Subs+Box+(4) MTX Speakers

Amplified 2 10" 4 ohm Vehicle Specific Thunderform Subwoofer Enclosure Package for 2002-2013 Dodge Ram Quad/Crew Cab

6
-18.95%

$901.96

List price $1112.85

82-6901,DB6502 main

Polk Audio DB6502 DB+ 6.5" 600 Watt Car Speakers with Free 6" x 9" Adapters

600W Peak (200W RMS) 6.5" DB+ Series 2-way Component Speakers with 6" x 9" Speaker Adapters

47
-9.15%

$211.66

List price $232.98

Lowest price in 30 days
THUNDER52,THUNDER693,DRQC20C-TN main

Dual 10" MTX Subwoofers+Box+(4) MTX Speakers For 2002-16 Dodge Ram Quad/Crew Cab

Two 10" 4 ohms Loaded Vehicle Specific Thunderform Subwoofer Enclosure Package for 2002-16 Dodge Ram Quad/Crew Cab

5
-13.37%

$821.08

List price $947.85


Best selling similar products

DRQC20AC-TN small

MTX Audio Thunderform DRQC20AC-TN (Charcoal, Amplified)

• Dual 10" Loaded Amplified MTX Thunderform Subwoofer Enclosure
• For Dodge Ram Quad Cab 2002-2014
• Loaded with Dual Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 Ohm

(2)

$899.95

List price $802.95

DRQC20C-TN small

MTX Audio Thunderform DRQC20C-TN (Charcoal, Loaded)

• Dual 10" Loaded MTX Thunderform Subwoofer Enclosure
• For Dodge Ram Quad Cab 2002-2014
• Loaded with Dual Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm
• Polypropylene Cone

(1)

$719.95

List price $637.95

THUNDER52,THUNDER693,DRQC20C-TN small

Dual 10" MTX Subwoofers+Box+(4) MTX Speakers For 2002-16 Dodge Ram Quad/Crew Cab

• Dual 10" Loaded MTX Thunderform Subwoofer Enclosure
• For Dodge Ram Quad Cab 2002-2014
• Loaded with Dual Terminator Series Subwoofers
• 800W Max
• 400W RMS
• 4 ohm
• Polypropylene Cone

(5)

$821.08

List price $947.85

F-150EX-09A small

MTX F-150EX-09A

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

$719.95

List price $637.95

F250X00C20A-TN small

MTX Audio Thunderform F250X00C20A-TN

• 10" Amplified Loaded Subwoofer System
• 200 watts RMS
• Built-In Class Amplifier
• Speaker-Level Inputs
• Wired Remote Bass Level Control
• Compatible with select 2000-2014 F-250 Super Duty

(1)

$929.95

List price $747.95

C1500C-07A small

MTX C1500C-07A

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

$719.95

List price $637.95

J-WRANGLER-07L small

MTX J-WRANGLER-07L

• 1 10" MTX ThunderForm Series Subwoofer
• 250 watts RMS ( Peak)
• Final Impedance: 4-ohm
• Dimensions: 17-4/5" L x 16-5/16" H x 6-9/16" W

$719.95

List price $639.95

C1500EX-07A small

MTX C1500EX-07A

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

$719.95

List price $637.95

F-150C-09A small

MTX F-150C-09A

• 10" Amplified Loaded Subwoofer System
• 250 watts RMS
• Built-In Class D amplifier
• Speaker-level inputs
• External bass control

$719.95

List price $637.95

Specifications & Details


Subwoofer Specifications
Subwoofer Size
10"
Voice Coil(s)
Single
Impedance (Per Voice Coil)
4 ohm
RMS Power Handling
450 watts
Peak Power Handling
900 watts
Woofer Surround
Poly-Foam
Sensitivity
90 dB
Frequency Response
35 - 150 Hz
Enclosure Specifications
Number of Subwoofers
2
Height
8-3/8"
Width
51-5/16"
Depth
12"
Number of Terminals
1
Terminal Type
Spring posts
Box Exterior Color
Gray
Box Finish
Paint
Box Type
Sealed
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

MTX

Model Number:

FRANX99G20A-T45

Weight:

32.50lbs

Internal SKU:

franx99g20at45

Internal Product ID:

14546

Customer Ratings & Reviews


MTX Audio Thunderform FRANX99G20A-T45 (Gray, Amplified) 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


88-96-jeep-cherokee-spkg small

NVX N-Series Speaker Upgrade Kit for 1988-1996 Jeep Cherokee

Pair of 5.25" NVX N-Series Speaker Upgrade Kit with Metra Harnesses | Fits select 1988-1996 Cherokee

(27)

$61.98

List price $78.98

Related Searches


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

2012 Ford Mustang

2011 Ford Focus

2008 Dodge Ram 3500

2010 Volvo S40

2014 Kia Sorento

2012 Ford Explorer

2002 GMC Sierra 1500

2019 Ford Transit-350 HD

2014 Hyundai Equus

2016 BMW X5 M

Vehicle
Store
Delete

2025 Can-Am Defender MAX HD9

2018 Can-Am Defender XT CAB HD10

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.