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1981 Ford Thunderbird

Universal gear includes car amplifiers, subs, and other products that do not install in a specific location or require fitment to integrate with a vehicle.

Universal-Fit Audio for 1981 Ford Thunderbird

When thinking of universal gear, we consider products like a car amp that gives more power to your speakers or subs, cell phone chargers, equalizers and sound processors, rear-seat entertainment and video monitors, as well as dash cameras.

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Cerwin Vega SPCL182

3200W Peak (1600W RMS) 18" Stroker Pro Classic Series Single 2-ohm Subwoofer

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3200W Peak (1600W RMS) 18" Stroker Pro Classic Series Single 2-ohm Subwoofer

• Peak Power: 3200 watts
• RMS Power: 1600 watts
• Impedance: Single 2 ohm
• Treated Paper cone
• Treated Cloth surround
• Mount depth: 9.4"
• Sensitivity: 95 dB

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List price $2159.99
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Cerwin-Vega H440.4D

440W RMS Class D HED Series 4 Channel Car Amplifier

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440W RMS Class D HED Series 4 Channel Car Amplifier

• 75 watts x 4 channel @ 4 ohm
• 110 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 440 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $347.99
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Cerwin Vega S9600.4D

600W RMS Class D Stroker Series 4 Channel Car Amplifier

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600W RMS Class D Stroker Series 4 Channel Car Amplifier

• 140 watts x 4 channel @ 4 ohm
• 170 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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Cerwin-Vega SM65FGW

Grilles for Cerwin Vega 6.5" RPM Stroker Marine Speakers (White)

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Grilles for Cerwin Vega 6.5" RPM Stroker Marine Speakers (White)

• 6.5" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM65F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

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List price $107.99
-17% $89.99

In stock.

• 6.5" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM65F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

Cerwin-Vega SM69FGB

Grilles for Cerwin Vega 6x9" RPM Stroker Marine Speakers (Black)

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Grilles for Cerwin Vega 6x9" RPM Stroker Marine Speakers (Black)

• 6x9" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM69F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

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List price $107.99
-17% $89.99

In stock.

• 6x9" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM69F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

Cerwin-Vega GRL69PH

Mesh Grilles for Cerwin Vega 6x9" PH Speakers

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Mesh Grilles for Cerwin Vega 6x9" PH Speakers

• 6x9" PH Speaker Mesh Grille
• Specifically designed for PH series speakers
• Also fits CVP, CVPX, VEGA, and HED series
• Metal mesh grilles with embossed logo
• Sold Individually / One Grille

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$29.99

Available

Ships in 10-14 days

• 6x9" PH Speaker Mesh Grille
• Specifically designed for PH series speakers
• Also fits CVP, CVPX, VEGA, and HED series
• Metal mesh grilles with embossed logo
• Sold Individually / One Grille

Cerwin-Vega RPMATC

8-Gauge Input 8-Gauge Output Waterproof ATC Fuse Holder

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8-Gauge Input 8-Gauge Output Waterproof ATC Fuse Holder

• Waterproof ATC Fuse Holder
• Maximum Input Gauge Size: 8 AWG
• Maximum Ouput Gauge Size: 8 AWG
• Nickel Plated Material

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List price $35.99
-17% $29.99

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• Waterproof ATC Fuse Holder
• Maximum Input Gauge Size: 8 AWG
• Maximum Ouput Gauge Size: 8 AWG
• Nickel Plated Material

Cerwin-Vega VMAX15D4

3000W Peak (1500W RMS) 15” VMAXX Series Dual 4-ohm Subwoofer

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3000W Peak (1500W RMS) 15” VMAXX Series Dual 4-ohm Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Treated Semi-Pressed Pulped Cone
• Treated Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 7.48"
• Sensitivity: 86.6 dB

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List price $371.99
-17% $309.99

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Cerwin-Vega SMG52WHT

Grilles for Cerwin Vega 5.25" RPM Marine Speakers (White)

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Grilles for Cerwin Vega 5.25" RPM Marine Speakers (White)

• 5.25" grilles for Cerwin Vega RPM series marine speakers
• Durable, UV-resistant white plastic construction
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

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List price $47.99
-17% $39.99

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Ships in 10-14 days

• 5.25" grilles for Cerwin Vega RPM series marine speakers
• Durable, UV-resistant white plastic construction
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

Limited time!

Cerwin-Vega XED6004D

500W Peak (480W RMS) Class D XED Series 4 Channel Car Amplifier

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500W Peak (480W RMS) Class D XED Series 4 Channel Car Amplifier

• 80 watts x 4 channel @ 4 ohm
• 120 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 480 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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List price $227.99
-17% $189.99

In stock.


Available Deal
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$119.99

$83.99

$36 Savings!

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Cerwin-Vega VMAX15D2

3000W Peak (1500W RMS) 15” VMAXX Series Dual 2-ohm Subwoofer

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3000W Peak (1500W RMS) 15” VMAXX Series Dual 2-ohm Subwoofer

• Peak Power: 3000 watts
• RMS Power: 1500 watts
• Impedance: Dual 2 ohm
• Treated Semi-Pressed Pulped Cone
• Treated Foam Surround
• Mount depth: 7.48"
• Sensitivity: 87.6 dB

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1
List price $371.99
-17% $309.99

In stock.

Cerwin-Vega GRL69X

Mesh Grilles for Cerwin Vega 6x9" XED Speakers (Black)

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Mesh Grilles for Cerwin Vega 6x9" XED Speakers (Black)

• 6x9" XED Speaker Mesh Grilles
• Designed for XED series speakers
• Metal mesh grilles with embossed logo
• Priced per pair / two grilles

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$39.99

Available

Ships in 10-14 days

• 6x9" XED Speaker Mesh Grilles
• Designed for XED series speakers
• Metal mesh grilles with embossed logo
• Priced per pair / two grilles

Cerwin-Vega GRL65VH

Mesh Grilles for Cerwin Vega 6.5" VEGA and HED Speakers

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Mesh Grilles for Cerwin Vega 6.5" VEGA and HED Speakers

• 6.5" VEGA or HED Speaker Mesh Grille
• Designed for VEGA or HED series speakers
• Metal mesh grilles with embossed logo
• Sold per pair / two grilles

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$39.99

In stock

Only 2 Left!

• 6.5" VEGA or HED Speaker Mesh Grille
• Designed for VEGA or HED series speakers
• Metal mesh grilles with embossed logo
• Sold per pair / two grilles

Cerwin Vega H7SE10

800W Peak (200W RMS) Loaded Single 10" Sealed Shallow Enclosure

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800W Peak (200W RMS) Loaded Single 10" Sealed Shallow Enclosure

• Sealed shallow enclosure with 1 10" HED Series Subwoofer
• 200 watts RMS (800 watts Peak)
• Final Impedance: 2-ohm
• Dimensions: 11.8" L x 6" H x 18.5" W

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List price $263.99
-17% $219.99

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Cerwin Vega CDB200

1/0-Gauge Input 4-Gauge Output Distribution Block

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1/0-Gauge Input 4-Gauge Output Distribution Block

• Fuse Distribution Block
• Maximum Input Gauge Size: 1/0 AWG with 4 AWG reducer
• Maximum Ouput Gauge Size: 4 AWG with 8 AWG reducer
• Total Number of Inputs: 1
• Total Number of Outputs: 2
• Chrome Plated Brass Material
• Heavy duty set screws holds cables securely

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$12.99

Available

Ships in 10-14 days

• Fuse Distribution Block
• Maximum Input Gauge Size: 1/0 AWG with 4 AWG reducer
• Maximum Ouput Gauge Size: 4 AWG with 8 AWG reducer
• Total Number of Inputs: 1
• Total Number of Outputs: 2
• Chrome Plated Brass Material
• Heavy duty set screws holds cables securely

Cerwin-Vega H8DV4

900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 4-ohm Subwoofer

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900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 4-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Reinforced Polypropylene Cone
• Santoprene Rubber Surround

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List price $131.99
-17% $109.99

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Ships in 10-14 days

Cerwin-Vega SBL4

34” 6-Speaker Non-Amplified Bluetooth Soundbar with LED

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34” 6-Speaker Non-Amplified Bluetooth Soundbar with LED

• (6) 4" Full-range speakers
• AUX input for smartphones and MP3
• Dimensions: 4.11" W x 3.17" H x D

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List price $499.99
-30% $349.99

In stock.

• (6) 4" Full-range speakers
• AUX input for smartphones and MP3
• Dimensions: 4.11" W x 3.17" H x D

Cerwin-Vega H8DV2

900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 2-ohm Subwoofer

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900W Peak (300W RMS) 8" HED Series 2025 Edition Dual 2-ohm Subwoofer

• Peak Power: 900 watts
• RMS Power: 300 watts
• Reinforced Polypropylene Cone
• Santoprene Rubber Surround

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List price $131.99
-17% $109.99

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Cerwin-Vega RPMAFS

4-Gauge Input 4-Gauge Output Waterproof AFS Fuse Holder

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4-Gauge Input 4-Gauge Output Waterproof AFS Fuse Holder

• Waterproof AFS Fuse Holder
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Nickel Plated Material

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List price $41.99
-17% $34.99

Available

Ships in 10-14 days

• Waterproof AFS Fuse Holder
• Maximum Input Gauge Size: 4 AWG
• Maximum Ouput Gauge Size: 4 AWG
• Nickel Plated Material

Cerwin-Vega SM65FGB

Grilles for Cerwin Vega 6.5" RPM Stroker Marine Speakers (Black)

SM65FGB big
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Grilles for Cerwin Vega 6.5" RPM Stroker Marine Speakers (Black)

• 6.5" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM65F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

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

VIP Product Get $9.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $107.99
-17% $89.99

Available

Ships in 10-14 days

• 6.5" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame
• Fits Cerwin Vega SM65F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

NVX - Worth the Envy - Direct to Consumer Car Audio

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    FAQ for Universal-Fit Audio & Electronics in 1981 Thunderbird

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1981 Ford Thunderbird?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your Thunderbird.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.