Garage
Shop

See all parts that fit your 1991 Summit

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...
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

Limited time!
46CSC6934 main

Kicker CSC693 (46CSC6934)

900W Peak (300W RMS) 6x9” CS Series 3 Way Coaxial 4-ohm Speakers with Integrated Midrange Speakers

40
-30.02%

$111.96

List price $159.99

UTE-73BT main

Alpine UTE-73BT

Single DIN Digital Media Receiver with Bluetooth

44
-16.69%

$149.95

List price $180.00

Limited time!
Club 622 main

JBL Club 622

360W Peak (120W RMS) 6.5" Club Series 2-way Coaxial 3-ohm Speakers

5
-28.58%

$99.95

List price $139.95

CV15BT main

Cerwin-Vega CV15BT

Single Din Digital Media Receiver with Bluetooth

3
DB652 main

Polk Audio DB652 (DB 652)

600W Peak (200W RMS) 6.5" DB+ Series 2 Way Coaxial 4-ohm Car, Marine and Powersports Speakers

214
-9.16%

$109.00

List price $119.99

43DSC6504 main

Kicker DSC650 (43DSC6504)

480W Peak (120W RMS) 6.5” DS Series 2-way 4-ohm Coaxial Car Speakers (DSC6504)

72
-10.53%

$84.99

List price $94.99

SXE-6926S main

Alpine SXE-6926S

280W Peak (90W RMS) 6x9” SXE Series 2-way 4-ohm Coaxial Speakers

13
-20.84%

$56.99

List price $71.99

R169X2 main

Rockford Fosgate Prime R169X2

260W Peak (130W RMS) 6x9" Prime Series 2 Way Coaxial 4-ohm Speakers

49
XED62 main

Cerwin-Vega XED62

600W Peak (70W RMS) 6.5" XED Series 2-Way Coaxial 4-ohm Speakers

15
-16.67%

$49.99

List price $59.99

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.

Best selling similar products

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

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

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

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

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

F150C04BK12A-TN small

MTX Audio Thunderform F150C04BK12A-TN (Black, Amplified)

• Amplified 12" Loaded MTX Thunderform Sealed Subwoofer Enclosure
• For 2004-2008 Ford F-150 Crew/Ext Cab
• Loaded with 12" Terminator Series Subwoofers
• 400W Max
• 200W RMS
• 4 Ohm

(2)

$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


PM-01 small

Roland PM-01

Personal Monitor (Ideal Companion to HD-1 V-Drums Lite)

(1)

$109.00

List price $129.00

47LE8500 small

LG 47LE8500

47", 240Hz Full HD 1080p Slim Infinia Design LED Television

$1559.99

List price $2699.99

504C-2 small

Directed 504C

DoubleGuard Shock Sensor

$9.99

List price $29.99

40CWS154 small

Kicker CompS154 (40CWS154)

1200W Peak (600W RMS) 15" Comp S Series Single 4-Ohm Subwoofer

$99.95

List price $179.95

450T small

Directed 450T

Channel Expander (DEI Install Essentials 450T)

$29.99

List price $79.99

PH7MCS small

Planet Audio PH7MCS

Universal 7" Widescreen Headrest Monitor System w/ Interchangeable Color Covers

$69.99

List price $199.99

01C15VR2 small

Kicker 01C15vr2 15" CompVR (Comp VR)

$99.99

List price $249.99

R-652 small

Boss R-652

6-1/2" Riot Series 2-way Speakers

$19.99

List price $39.99

55LD650 small

LG 55LD650

55", 240Hz Full HD 1080p LCD Television with LED Backlit Display and NetCast

$1549.99

List price $2099.99

Related Searches


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

1991 Eagle Summit

2011 Ford Edge

2007 MINI Cooper

2017 Ford Taurus

2009 MINI Cooper

2012 Ram C/V

2003 Audi A4

1992 Mitsubishi Eclipse

2002 Mazda B3000

1996 Eagle Vision

Vehicle
Store
Delete

2019 Harley Davidson FLHT Electra Glide Standard

Vehicle
Store
Delete

2013 Can-Am Commander E

2025 Can-Am Defender HD9

2015 Can-Am Commander E

2015 Can-Am Commander E XT

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.