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2003 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 2003 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 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 SRPM700.4DW

700W RMS Class D Stroker RPM Series 4-Channel Marine Amplifier (White)

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700W RMS Class D Stroker RPM Series 4-Channel Marine Amplifier (White)

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 700 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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List price $515.99
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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 VCU86

1520W Peak (900W RMS) Class D Vega Series 6-Channel Car Amplifier with Bass Remote

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1520W Peak (900W RMS) Class D Vega Series 6-Channel Car Amplifier with Bass Remote

• 100 watts x 6 channel @ 4 ohm
• 150 watts x 6 channel @ 2 ohm
• Bridged: 300 watts x 3 channel @ 4 ohm
• Total RMS Power: 900 watts
• Class D 2 ohm Stable 6-Channel Amplifier

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List price $695.99
-38% $434.99

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Save 30% off an NVX XKIT06 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT06 Amp Kit! No code needed — discount applies automatically at checkout.

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 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 IOEM22

400 Watts 2-Channel Line Output Converter

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400 Watts 2-Channel Line Output Converter

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

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$39.99

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Ships in 10-14 days

• Active 2-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 1 set
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin Vega B51

1000W Peak (500W RMS) Class D Stealth Bomber Series Monoblock Car Amplifier with Bass Remote

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1000W Peak (500W RMS) Class D Stealth Bomber Series Monoblock Car Amplifier with Bass Remote

• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 500 watts
• Class D 2 ohm Stable Monoblock Amplifier

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List price $359.99
-17% $299.99

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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 S91100.5D

1100W RMS Class D Stroker Series 5-Channel Car Amplifier with Bass Remote

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1100W RMS Class D Stroker Series 5-Channel Car Amplifier with Bass Remote

• 90 watts x 4 channel + 150 watts x 2 channel @ 4 ohm
• 150 watts x 4 channel + 250 watts x 1 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm + 250 watts x 1 channel @ 2 ohm
• Total RMS Power: 1100 watts
• Class 2 ohm Stable 5-Channel Amplifier

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List price $719.99
-17% $599.99

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FREE NVX 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.
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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

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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List price $347.99
-17% $289.99

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Cerwin-Vega IOEM88

400 Watts 8-Channel Line Output Converter

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400 Watts 8-Channel Line Output Converter

• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

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$119.99

In stock.

• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin Vega VMAXX65S4

400W Peak (200 RMS) 6.5” Single 2-ohm High-Performance Subwoofer

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400W Peak (200 RMS) 6.5” Single 2-ohm High-Performance Subwoofer

• Peak Power: 400 watts
• RMS Power: 200 watts
• Paper Cone
• Foam Surround
• Impedance: Single 2 ohm
• Mount depth: 5.59"
• Sensitivity:

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List price $155.99
-17% $129.99

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• Peak Power: 400 watts
• RMS Power: 200 watts
• Paper Cone
• Foam Surround
• Impedance: Single 2 ohm
• Mount depth: 5.59"
• Sensitivity:

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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List price $371.99
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Cerwin-Vega XED3002D

250W Peak (240W RMS) Class D XED Series 2 Channel Car Amplifier

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250W Peak (240W RMS) Class D XED Series 2 Channel Car Amplifier

• 80 watts x 2 channel @ 4 ohm
• 120 watts x 2 channel @ 2 ohm
• Bridged: 220 watts x 1 channel @ 4 ohm
• Total RMS Power: 240 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $167.99
-17% $139.99

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FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.

Cerwin Vega ST102D

1600W Peak (800W RMS) 10" Stroker Series Dual 2-ohm Subwoofer

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1600W Peak (800W RMS) 10" Stroker Series Dual 2-ohm Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Impedance: Dual 2 ohm
• Treated Semi-Pressed Pulped cone
• Treated Foam surround
• Mount depth: 7.34"
• Sensitivity: 82..3 dB

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List price $503.99
-17% $419.99

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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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-14% $339.99

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Cerwin-Vega XED8001D

1100W Peak (800W RMS) Class D XED Series Monoblock Car Amplifier with Bass Remote

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1100W Peak (800W RMS) Class D XED Series Monoblock Car Amplifier with Bass Remote

• 450 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable Monoblock Amplifier

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List price $227.99
-17% $189.99

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Cerwin Vega SRPM1000.1DW

1000W RMS Class D Stroke RPM Series Monoblock Marine Amplifier with Bass Remote (White)

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1000W RMS Class D Stroke RPM Series Monoblock Marine Amplifier with Bass Remote (White)

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 1 ohm Stable Monoblock Amplifier

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List price $719.99
-31% $499.99

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Cerwin-Vega IOEM66

400 Watts 6-Channel Line Output Converter

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400 Watts 6-Channel Line Output Converter

• Active 6-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

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$109.99

In stock.

• Active 6-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference

Cerwin Vega SRPM750.1DW

750W RMS Class D Stroker RPM Series Monoblock Marine Amplifier with Bass Remote (White)

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750W RMS Class D Stroker RPM Series Monoblock Marine Amplifier with Bass Remote (White)

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

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List price $503.99
-17% $419.99

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    FAQ for Universal-Fit Audio & Electronics in 2003 Thunderbird

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2003 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.