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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 PW18G250YL

18 Gauge 250 Ft. Tinned OFC Primary Wire (Yellow)

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18 Gauge 250 Ft. Tinned OFC Primary Wire (Yellow)

• 18 Gauge 250 ft. primary wire
• Tinned oxygen free copper material
• Frost yellow primary wire

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List price $59.99
-17% $49.99

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• 18 Gauge 250 ft. primary wire
• Tinned oxygen free copper material
• Frost yellow primary wire

Cerwin-Vega GRL69VH

Mesh Grilles for Cerwin Vega 6x9" VEGA and HED Speakers

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Mesh Grilles for Cerwin Vega 6x9" VEGA and HED Speakers

• 6x9" 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

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• 6x9" 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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Cerwin Vega CVP1600.1D with Belva 8 Gauge Amp Kit

CVP Series Monoblock Class-D Amplifier

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CVP Series Monoblock Class-D Amplifier

• CVP Series Monoblock Amplifier
• 200W RMS X 1 @ 2Ω / 120W RMS X 1 @ 4Ω
• 1-Ohm Stable Class D Monoblock Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input
• Includes Amplifier Wiring Kit

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-37% $129.99

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• CVP Series Monoblock Amplifier
• 200W RMS X 1 @ 2Ω / 120W RMS X 1 @ 4Ω
• 1-Ohm Stable Class D Monoblock Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input
• Includes Amplifier Wiring Kit

Cerwin-Vega SM69FWW

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

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

• 6x9" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame with powder coat
• 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 $95.99
-17% $79.99

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

Cerwin-Vega SM8FWW

Grilles for Cerwin Vega 8" RPM Stroker Speakers (White)

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Grilles for Cerwin Vega 8" RPM Stroker Speakers (White)

• 8" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame with powder coat
• Fits Cerwin Vega SM8F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

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List price $95.99
-17% $79.99

Available

Ships in 10-14 days

• 8" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame with powder coat
• Fits Cerwin Vega SM8F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

Cerwin-Vega SM8FBB

Grilles for Cerwin Vega 8" RPM Stroker Speakers (Black)

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Grilles for Cerwin Vega 8" RPM Stroker Speakers (Black)

• 8" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame with powder coat
• Fits Cerwin Vega SM8F4 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.
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Universal Icon Universal – fits most vehicles.

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List price $95.99
-17% $79.99

Available

Ships in 10-14 days

• 8" flush mount grilles for RPM Stroker speakers
• High gloss UV coated steel frame with powder coat
• Fits Cerwin Vega SM8F4 speakers
• Marine grade compliant speaker grilles
• Protects speakers from physical damage
• Sold as a pair (2 grilles included)

Cerwin-Vega FSWPG8

Universal Water-Resistant Mesh Grille for Most 8" Marine Speakers

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Universal Water-Resistant Mesh Grille for Most 8" Marine Speakers

• Pair of universal 8" water repellent speaker mesh grilles
• Features peel and stick adhesive application
• Made with Frogzskin woven polyester material
• Repels water, dirt and dust

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List price $95.99
-17% $79.99

In stock.

• Pair of universal 8" water repellent speaker mesh grilles
• Features peel and stick adhesive application
• Made with Frogzskin woven polyester material
• Repels water, dirt and dust

Cerwin Vega V84DV2

750W Peak (250W RMS) 8" Vega Series Dual 4-ohm Subwoofer

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750W Peak (250W RMS) 8" Vega Series Dual 4-ohm Subwoofer

• Peak Power: 750 watts
• RMS Power: 250 watts
• Impedance: Dual 4 ohm
• Carbon Fiber Polypropylene cone
• Santoprene Rubber surround
• Mount depth: 4.4"
• Sensitivity: 81.5 dB

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List price $119.99
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Cerwin Vega S9750.1D

750W RMS Class D Stroker Series Monoblock Car Amplifier with Bass Remote

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750W RMS Class D Stroker Series Monoblock Car Amplifier with Bass Remote

• 400 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 750 watts x 1 channel @ 1 ohm
• Total RMS Power: 750 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $467.99
-17% $389.99

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Available Offers (2) for Cerwin Vega S9750.1D
FREE Belva Amp Kit at Checkout!
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.

Cerwin-Vega VMAX8D4

1000W Peak (500W RMS) 8" VMAXX Series Dual 4-ohm Car Subwoofer

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1000W Peak (500W RMS) 8" VMAXX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1000 watts
• RMS Power: 500 watts
• Treated Semi-Pressed Pulped Cone
• Treated Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 4.8"
• Sensitivity: 81.9 dB

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List price $191.99
-22% $149.99

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Cerwin-Vega CS75B

0.75" to 1.75" Mounting Clamps for Marine Tower Speaker Pods (Black, Pair)

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0.75" to 1.75" Mounting Clamps for Marine Tower Speaker Pods (Black, Pair)

• Mounting clamps for Cerwin Vega RPM series marine speakers
• Mounting Diameter: 0.75" to 1.75"
• Made with solid extruded aluminum
• UV resistant with rubber pads for firm grip
• Mounting Clamp Color: Black

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List price $239.99
-17% $199.99

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• Mounting clamps for Cerwin Vega RPM series marine speakers
• Mounting Diameter: 0.75" to 1.75"
• Made with solid extruded aluminum
• UV resistant with rubber pads for firm grip
• Mounting Clamp Color: Black

Cerwin Vega SPCL152

2400W Peak (1200W RMS) 15" Stroker Pro Classic Series Single 2-ohm Subwoofer

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2400W Peak (1200W RMS) 15" Stroker Pro Classic Series Single 2-ohm Subwoofer

• Peak Power: 2400 watts
• RMS Power: 1200 watts
• Impedance: Single 2 ohm
• Treated Paper cone
• Treated Cloth surround
• Mount depth: 8.15"
• Sensitivity: 93.8 dB

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Cerwin-Vega VS12

600W Peak (300W RMS) Loaded Single 12" Passive Spare Tire Enclosure

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600W Peak (300W RMS) Loaded Single 12" Passive Spare Tire Enclosure

• Sealed enclosure with 1 11" VS Series Subwoofer
• 300 watts RMS (600 watts Peak)
• Final Impedance: 4-ohm

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List price $371.99
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Cerwin-Vega GRL65X

Mesh Grilles for Cerwin Vega 6.5" XED Speakers (Black)

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Mesh Grilles for Cerwin Vega 6.5" XED Speakers (Black)

• 6.5" 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

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

Cerwin-Vega B55

1900W Peak (950W RMS) Class D Stealth Bomber Series 5 Channel Car Amplifier with Bass Remote

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1900W Peak (950W RMS) Class D Stealth Bomber Series 5 Channel Car Amplifier with Bass Remote

• 80 watts x 4 channel + 200 watts x 1 channel @ 4 ohm
• 150 watts x 4 channel + 350 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 350 watts x 1 channel @ 2 ohm
• Total RMS Power: 950 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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-17% $439.99

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Available Offers (2) for Cerwin-Vega B55
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT46 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT46 Amp Kit! No code needed — discount applies automatically at checkout.

Cerwin Vega H6TE10SV

300W Peak (150W RMS) Loaded Single 10" Vented Powered Subwoofer Enclosure

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300W Peak (150W RMS) Loaded Single 10" Vented Powered Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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List price $279.99
$269.99

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Cerwin-Vega SMG8WHT

Grilles for Cerwin Vega 8" RPM Marine Speakers (White)

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Grilles for Cerwin Vega 8" RPM Marine Speakers (White)

• 8" 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 $59.99
-17% $49.99

Available

Ships in 10-14 days

• 8" 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)

Cerwin-Vega IOEM44

400 Watts 4-Channel Line Output Converter

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400 Watts 4-Channel Line Output Converter

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

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• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin Vega H6TE12SV

300W Peak (150W RMS) Loaded Single 12" Vented Powered Subwoofer Enclosure

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300W Peak (150W RMS) Loaded Single 12" Vented Powered Subwoofer Enclosure

• 12" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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Cerwin-Vega SMG65WHT

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

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

• 6.5" 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 $53.99
-17% $44.99

Available

Ships in 10-14 days

• 6.5" 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)

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:

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.