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1978 Ford Thunderbird

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Overview Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Speakers & Speaker Installation for 1978 Ford Thunderbird

Find speakers to upgrade your sound and fit in the factory speaker location for your Thunderbird.  After you choose your speakers, we'll help you find speaker adapters, speaker harnesses and other accessories for installation.

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Shop All Speaker Locations in the Vehicle

See all speakers that fit, regardless of location.

Center Dash Speaker(s)

Center Dash Speakers

Speakers for your center dash

Rear Deck Corner

Rear Deck Corner Speakers

Speakers for your corner rear deck

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Speaker Size
Refers to the size of the speaker measured in inches. Every vehicle has standard application sizes. Please use our vehicle fitment guide for your vehicle's specific speaker sizes if you do not know them.
Design
The number of individual drivers in a car speaker. Speakers with 2 drivers are known as a 2-way, and 3 drivers are known as a 3-way. Component systems are often referred to as "separates" because the tweeter is not attached to the midwoofer (main speaker driver) and mounts separately in a location such as a door post. Component systems typically come with an external crossover so you can easily adjust the high and low frequencies sent to both the midwoofer and the tweeter. Center channel speakers are great for those looking to have surround sound in their vehicle.
RMS Power Handling
The RMS power is the amount of power the speaker requires to operate safely and properly. RMS Power Handling refers to the amount of power a speaker can handle on a continuous basis. We recommend powering your speakers or subwoofer with 80%-120% of its recommended RMS rating. The RMS power handling specification is typically rated per speaker unless otherwise noted.
Peak Power Handling
Peak power handling refers to the amount of power a speaker can handle during a brief musical burst. The RMS power range figure is a much more reliable rating for determining the speaker's power requirements. The Peak power handling specification is typically rated per speaker unless otherwise noted.
Sensitivity
An efficiency or sensitivity rating tells you how effectively a speaker converts power into sound. The higher the number, the more efficient the speaker and the louder it will play with the same input power. An efficient speaker helps you maximize your available power. Most sensitivity ratings measure the speaker's output with 1 watt of input, 1 meter from the speaker. Some speakers' sensitivity is measured with 2.83 volts of input, instead of 1 watt.
  Efficiency (1w/1m) is not an accurate indicator of a subwoofer's output capability and should not be used as a comparison to other speakers or subwoofers to determine which one is "louder".
Impedance (Per Voice Coil)
The load value (in ohms) that the speakers present to the amplifier per voice coil - the amount of resistance to the current flow. This is a key specification as subs wired in parallel or low impedances can create problems with your amplifier and potentially void all warranties. We encourage you to ask our support department prior to purchase if you do not understand which impedance level will suit your application best.
Shallow Mount Installation
This means that the subwoofer/speaker is designed to be installed in areas that do not have a lot of space. Shallow mount subwoofers are typically found under a seat or behind the seat in some trucks.

Shallow mount speakers will typically have a mounting depth of 2" or less, while shallow mount subwoofers will typically have a mounting depth of 3" or less.
Tweeter Design
Designs such as cone, dome, semi-dome, balanced dome, and whizzer are most popular. Cone tweeters are simple, efficient and typically are the most reasonably priced. Dome tweeters are used in most home speakers, and provide a smoother and more accurate sound. Semi-dome design is one with a dome placed inside a cone. A Balanced dome driver is a semi-dome with equal reproduction area given the cone and dome portions of the driver. A whizzer tweeter is a separate tweeter cone driven by the voice coil of the woofer.
Series
Many brands group their products into series or lines of products to help customers know the level of quality (good, better, best for example). You can filter by series and the brand using our guided browsing.
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MTX Audio TERMINATOR69

240W Peak (120W RMS) 6x9" Terminator Series 2 Way Coaxial 4-ohm Speakers

TERMINATOR69 big
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MTX Audio TERMINATOR69

240W Peak (120W RMS) 6x9" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 120 watts Peak Each, 60 watts RMS Each
• Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Thunderbird
  • Rear Deck Corner
1
List price $89.95
-11% $79.95 /pair

In stock

Add to Cart

MTX Audio THUNDER61

180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

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MTX Audio THUNDER61

180W RMS 6.5" Thunder Series 2 Way Component 4-ohm Speaker System

• 90 watts RMS Each
• 1-3/8" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

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Save $21 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
2
$249.96 /set

In stock

Only 1 Left!

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MTX Audio THUNDER65

120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

THUNDER65 big
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MTX Audio THUNDER65

120W RMS 6.5" Thunder Series 2 Way Coaxial 4-ohm Speakers

• 60 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

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Save $21 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
3
List price $169.99
-18% $139.95 /pair

In stock

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See all 14 special offers

MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

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MTX TERMINATOR6

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Coaxial 4-ohm Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

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Save $19 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
2
List price $69.95
-14% $59.95 /pair

In stock

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MTX RTX6 (Sold Individually)

125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

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MTX RTX6 (Sold Individually)

125W RMS 6.5" Road Thunder Extreme Series Pro Audio Mid-bass 4-ohm Speaker

• 125 watts RMS Each
• Treated Paper cone material
• Impedance: 4 ohm
• Sensitivity: 97.2 dB

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Save $9 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
List price $69.95
-14% $59.95

In stock

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MTX TERMINATOR69S

240W Peak (120W RMS) 6x9" Terminator Series 2-Way 4-ohm Shallow Component Car Speakers

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MTX TERMINATOR69S

240W Peak (120W RMS) 6x9" Terminator Series 2-Way 4-ohm Shallow Component Car Speakers

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.0 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits the following location in your Thunderbird
  • Rear Deck Corner
List price $129.95
-8% $119.95 /set

In stock

Only 2 Left!

Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90.0 dB

MTX Audio TERMINATOR6S

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Component 4-ohm Speakers

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MTX Audio TERMINATOR6S

180W Peak (90W RMS) 6.5" Terminator Series 2 Way Component 4-ohm Speakers

• 45 watts RMS Each
• Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Save $21 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
List price $99.95
-10% $89.95 /set

In stock

Only 2 Left!

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MTX PS65C-BP

340W Peak (170W RMS) 6.5" 4-ohm Coaxial All-Weather Bar-Mount Speakers with Rotating Clamps and RGB Lighting

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MTX PS65C-BP

340W Peak (170W RMS) 6.5" 4-ohm Coaxial All-Weather Bar-Mount Speakers with Rotating Clamps and RGB Lighting

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 6-3/16"

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Install kits available for this speaker

found car based on your search
Fits the following location in your Thunderbird
$599.95 /pair

Available

Ships in 10-14 days

Add to Cart

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 6-3/16"

Limited time!

MTX Audio THUNDER693

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

THUNDER693 big
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MTX Audio THUNDER693

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters

• 100 watts RMS Each
• 1-3/16" dual Silk Cone tweeters
• Polypropylene cone material
• 1" Silk Dome super tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

Free Speaker Accessory at Checkout!
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VIP Product Get $22.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits the following location in your Thunderbird
  • Rear Deck Corner
2
$219.95 /pair

In stock

Only 2 Left!

Add to Cart
See all 14 special offers

MTX PS65C

340W Peak (170W RMS) 6.5" 2-Way Coaxial 4-ohm All-Weather Speakers with RGB LED Lighting

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MTX PS65C

340W Peak (170W RMS) 6.5" 2-Way Coaxial 4-ohm All-Weather Speakers with RGB LED Lighting

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-1/2"

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

install icon

Save $21 on install kits for this speaker

found car based on your search
Fits the following location in your Thunderbird
$249.95 /pair

Available

Ships in 10-14 days

Add to Cart

• 170 watts Peak Each, 85 watts RMS Each
• Dual Teteron Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB
• Mounting Depth: 2-1/2"

MTX Audio THUNDER65 with Sound Damping

240W Peak (120W RMS) 6.5" Thunder Dome Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

THUNDER65_SDBSK2 big
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MTX Audio THUNDER65 with Sound Damping

240W Peak (120W RMS) 6.5" Thunder Dome Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Pivoting Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
49
List price $188.73
-18% $154.94

In stock

Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Pivoting Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 92 dB

MTX Audio THUNDER61 with Sound Damping

180W RMS 6.5" Thunder Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

THUNDER61_SDBSK2 big
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MTX Audio THUNDER61 with Sound Damping

180W RMS 6.5" Thunder Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 90 watts RMS Each
• 1-3/8" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
48
$264.95

In stock

Only 1 Left!

Add to Cart

• 90 watts RMS Each
• 1-3/8" Silk Soft Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 90 dB

MTX TERMINATOR68 with Speaker Installation Kit

200W Peak (100W RMS) 6x9" 3-Way Thunder Series Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

THUNDER693, XBAF69, SDSK2, SDRLR1, BTK106 big
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MTX TERMINATOR68 with Speaker Installation Kit

200W Peak (100W RMS) 6x9" 3-Way Thunder Series Coaxial Car Speakers + NVX Speaker Baffles, Sound Dampening, Roller, and Panel Removal Kit

• Peak Power: 200W • RMS Power: 100W
• Pivoting Tweeter
• Mounting Depth: 3"
• Polypropylene Cone

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your Thunderbird
  • Rear Deck Corner
187
List price $282.66
-6% $265.63 /pair

In stock

Only 1 Left!

Add to Cart

• Peak Power: 200W • RMS Power: 100W
• Pivoting Tweeter
• Mounting Depth: 3"
• Polypropylene Cone

MTX Audio THUNDER693 with Sound Damping

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters + NVX SDBSK2 Premium Sound Damping

THUNDER693_SDBSK2 big
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MTX Audio THUNDER693 with Sound Damping

200W RMS 6x9" Thunder Series 3-way 4-ohm Coaxial Car Speakers with Dual Tweeters + NVX SDBSK2 Premium Sound Damping

• 100 watts RMS Each
• 1-3/16" dual Silk Cone tweeters
• Polypropylene cone material
• 1" Silk Dome super tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

Save 15% Off Package Deals at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
48
$234.94

In stock

Only 2 Left!

Add to Cart

• 100 watts RMS Each
• 1-3/16" dual Silk Cone tweeters
• Polypropylene cone material
• 1" Silk Dome super tweeters
• Impedance: 4 ohm
• Sensitivity: 92 dB

MTX TERMINATOR6 with Sound Damping

180W Peak (90W RMS) 6.5" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TERMINATOR6_SDBSK2 big
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MTX TERMINATOR6 with Sound Damping

180W Peak (90W RMS) 6.5" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
48
List price $88.69
-16% $74.94

In stock

Add to Cart

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

MTX TERMINATOR69 with Speaker Installation Kit

6" x 9" 2-Way 120W RMS Coaxial Car Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal

TERMINATOR69, XBAF69, SDSK2, SDRLR1, BTK106 big
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MTX TERMINATOR69 with Speaker Installation Kit

6" x 9" 2-Way 120W RMS Coaxial Car Speakers with Speaker Baffles, Sound Dampening, Roller, and Panel Removal

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Install kits available for most vehicles

found car based on your search
Fits the following location in your Thunderbird
  • Rear Deck Corner
186
List price $182.66
-31% $125.63 /pair

In stock

Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

MTX TERMINATOR6 (2-Pairs, 4-Total)

360W Peak (180W RMS) 6.5" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

TERMINATOR6_2 big
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MTX TERMINATOR6 (2-Pairs, 4-Total)

360W Peak (180W RMS) 6.5" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
2
List price $139.90
-14% $119.90

In stock

Add to Cart

• 90 watts Peak Each, 45 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 86.8 dB

MTX TERMINATOR69 (2-Pairs, 4-Total)

480W Peak (240W RMS) 6x9" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

TERMINATOR69_2 big
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MTX TERMINATOR69 (2-Pairs, 4-Total)

480W Peak (240W RMS) 6x9" Terminator Series 2-Way Coaxial Car Speakers (2-Pairs)

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
1
List price $179.90
-11% $159.90

In stock

Add to Cart

• 120 watts Peak Each, 60 watts RMS Each
• 1" Silk Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

MTX TERMINATOR6S with Sound Damping

90W RMS 6.5" Terminator Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

TERMINATOR6S_SDBSK2 big
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MTX TERMINATOR6S with Sound Damping

90W RMS 6.5" Terminator Series 2-way 4-ohm Component Speaker System + NVX SDBSK2 Premium Sound Damping

• 45 watts RMS Each
• 1" Silk Dome tweeters with inline crossover
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
46
List price $118.69
-12% $104.94

In stock

Only 2 Left!

Add to Cart

• 45 watts RMS Each
• 1" Silk Dome tweeters with inline crossover
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 85.5 dB

MTX TERMINATOR69 with Sound Damping

120W RMS 6x9" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

TERMINATOR69_SDBSK2 big
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MTX TERMINATOR69 with Sound Damping

120W RMS 6x9" Terminator Series 2-way 4-ohm Coaxial Car Speakers + NVX SDBSK2 Premium Sound Damping

• 60 watts RMS Each
• 1" Mylar Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your Thunderbird
47
List price $108.69
-13% $94.94

In stock

Add to Cart

• 60 watts RMS Each
• 1" Mylar Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohm
• Sensitivity: 87.8 dB

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    Q: Can I upgrade or change the Speakers in 1978 Ford Thunderbird?

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