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2003 Cadillac DeVille

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 Cadillac DeVille

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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DS18 PRO-D22PH.8

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Phenolic Compression Driver

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640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Phenolic Compression Driver

• 2" Throat compression driver
• Phenolic Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

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List price $100.99
-17% $83.95

In stock

• 2" Throat compression driver
• Phenolic Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 PRO-D22PY.8

640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Polyimide Compression Driver

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640W Peak (160W RMS) 2" Throat 8-ohm Bolt-on Polyimide Compression Driver

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

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List price $100.99
-17% $83.95

In stock

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 640 watts Peak, 160 watts RMS
• 8 ohm Impedance

DS18 INF-45AH

12V 45Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

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12V 45Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

• 12.8-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 1500W motorcycle and ATV audio systems
• Thread Lead Alloy Recessed / M6 Bolt
• Mounts upside down or in multiple configurations

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List price $230.99
-17% $191.95

Available

Ships in 10-14 days

• 12.8-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 1500W motorcycle and ATV audio systems
• Thread Lead Alloy Recessed / M6 Bolt
• Mounts upside down or in multiple configurations

DS18 DLRING10

10" Digital LED Acrylic Ring for Marine Loudspeakers and Speakers

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10" Digital LED Acrylic Ring for Marine Loudspeakers and Speakers

• 10" Digital LED Acrylic Ring for Marine Speakers
• Water resistant, perfect for harsh environment
• Easy installation, no major modification required
• Sealed acrylic (marine-grade) construction
• Light customizable via LC-DRM Bluetooth module

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$69.95

Available

Ships in 10-14 days

• 10" Digital LED Acrylic Ring for Marine Speakers
• Water resistant, perfect for harsh environment
• Easy installation, no major modification required
• Sealed acrylic (marine-grade) construction
• Light customizable via LC-DRM Bluetooth module

DS18 ZR500.1D

1500W Peak (500W RMS) Class D ZR Series Monoblock Car Amplifier with Bass Remote

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1500W Peak (500W RMS) Class D ZR Series Monoblock Car Amplifier with Bass Remote

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

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$203.95

In stock

DS18 GEN-X124D

900W Peak (450W RMS) 12" Gen-X Series Dual 4-ohm Car Subwoofer

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900W Peak (450W RMS) 12" Gen-X Series Dual 4-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 5.75"
• Sensitivity: 87.5 dB

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$145.95

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DS18 SQBASS68

600W Peak (150W RMS) 6X8" SQBASS68 Series Amplified Subwoofer

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600W Peak (150W RMS) 6X8" SQBASS68 Series Amplified Subwoofer

• 6 X 8" 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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$219.95

In stock.

• 6 X 8" Amplified Loaded Subwoofer System
• 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

DS18 MXRC

Wired Remote Control for DS18 MRX Series Marine Digital Media Stereos

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Wired Remote Control for DS18 MRX Series Marine Digital Media Stereos

• Marine and powersports stereo wired remote control
• Works with DS18 MRX series marine digital media stereos
• Compact design, fits in small spaces
• IP65 rating water resistant and marine rated

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List price $86.99
-17% $71.95

Available

Ships in 10-14 days

• Marine and powersports stereo wired remote control
• Works with DS18 MRX series marine digital media stereos
• Compact design, fits in small spaces
• IP65 rating water resistant and marine rated

DS18 X2

1140W Peak (460W RMS) Class D X Series 2-Channel Compact Car Amplifier

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1140W Peak (460W RMS) Class D X Series 2-Channel Compact Car Amplifier

• 140 watts x 2 channel @ 4 ohm
• 230 watts x 2 channel @ 2 ohm
• Bridged: 380 watts x 1 channel @ 4 ohm
• Total RMS Power: 460 watts
• Class D 2 ohm Stable 2-Channel Amplifier

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List price $259.99
-17% $215.95

In stock.

DS18 i48DSP

4-Channel Input and 8-Channel Output Digital Sound Processor with Bluetooth and App Control

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4-Channel Input and 8-Channel Output Digital Sound Processor with Bluetooth and App Control

• 4-Channel Input and 8-Channel Output Digital Sound Processor
• 4 RCA inputs and 8 fully configurable RCA outputs
• Bluetooth 5.1 iOS/Android app control
• 31-band parametric EQ per channel
• Signal-to-noise ratio: 101dB
• Total harmonic distortion (THD): 0.04%

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List price $299.99
-17% $249.95

In stock.

• 4-Channel Input and 8-Channel Output Digital Sound Processor
• 4 RCA inputs and 8 fully configurable RCA outputs
• Bluetooth 5.1 iOS/Android app control
• 31-band parametric EQ per channel
• Signal-to-noise ratio: 101dB
• Total harmonic distortion (THD): 0.04%

DS18 ZR8.4D

900W Peak (450W RMS) 8" ZR Series Dual 4-ohm Car Subwoofer

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900W Peak (450W RMS) 8" ZR Series Dual 4-ohm Car Subwoofer

• Peak Power: 900 watts
• RMS Power: 450 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 4.4"
• Sensitivity: 82 dB

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$119.95

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DS18 X4

1320W Peak (560W RMS) Class D X-Series 4 Channel Full Range Car Amplifier

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1320W Peak (560W RMS) Class D X-Series 4 Channel Full Range Car Amplifier

• 70 watts x 4 channel @ 4 ohm
• 140 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 560 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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$215.95

In stock

Only 1 Left!

• 70 watts x 4 channel @ 4 ohm
• 140 watts x 4 channel @ 2 ohm
• Bridged: 220 watts x 2 channel @ 4 ohm
• Total RMS Power: 560 watts
• Class D 2 ohm Stable 4-Channel Amplifier

DS18 INF-80AH

12V 80Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell Battery

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12V 80Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell Battery

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

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List price $431.99
-17% $359.95

Available

Ships in 10-14 days

• 12.8-Volt AGM Power Cell
• Perfect for car audio stereo systems of up to 5000 watts
• Leak-proof, non-hazardous design
• Resists extreme vibrations
• 100% sealed and maintenance free
• Absorbed glass mat material

DS18 MDSA10/4.30FT

30 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

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30 Ft. 10-Channel Medusa Snake RCA Harness with 12 Gauge Power Wire

• 30-feet Medusa 10-channel RCA with (4) 12 gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

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List price $215.99
-17% $179.95

In stock.

• 30-feet Medusa 10-channel RCA with (4) 12 gauge power wire
• Tiffany style 10-channel RCA
• 12 gauge oxygen-free copper power wire
• Water resistant, able to withstand harsh environments

Limited time!

DS18 G1800.4D

1800W Peak (920W RMS) Class D GEN-X Series 4 Channel Full Range Car Amplifier

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1800W Peak (920W RMS) Class D GEN-X Series 4 Channel Full Range Car Amplifier

• 150 watts x 4 channel @ 4 ohm
• 230 watts x 4 channel @ 2 ohm
• Bridged: 430 watts x 2 channel @ 4 ohm
• Total RMS Power: 920 watts
• Class D 2 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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$287.95

In stock.


Available Deal
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$119.99

$83.99

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DS18 PRO-TSQ3IN1

400W Peak (200W RMS) 3" 4-ohm High Compression Pro Audio Super Bullet Tweeter

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400W Peak (200W RMS) 3" 4-ohm High Compression Pro Audio Super Bullet Tweeter

• 3" Aluminum Alloy Super Bullet Tweeters
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

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$65.95

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Ships in 10-14 days

• 3" Aluminum Alloy Super Bullet Tweeters
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

DS18 INF-18AH

12V 18Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

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12V 18Ah Absorbent Glass Mat (AGM) Motorcycle and ATV Power Cell Battery

• 12.4-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 750W motorcycle and ATV audio systems
• L Terminal / M5 Nut & Bolt
• Mounts upside down or in multiple configurations

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List price $86.99
-17% $71.95

In stock.

• 12.4-volt Absorbed Glass Mat (AGM) Battery
• Sealed Absorbed Glass Mat design
• Perfect for 750W motorcycle and ATV audio systems
• L Terminal / M5 Nut & Bolt
• Mounts upside down or in multiple configurations

DS18 NXL-DLRING6

Digital LED Rings for 6.5" Marine and Powersports Speakers

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Digital LED Rings for 6.5" Marine and Powersports Speakers

• Fits most DS18 NXL and CF series marine speakers
• Includes 2 digital LED spacer rings (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

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List price $71.99
-17% $59.95

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Ships in 10-14 days

• Fits most DS18 NXL and CF series marine speakers
• Includes 2 digital LED spacer rings (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

Limited time!

DS18 G4000.5D

4000W Peak (1480W RMS) Class D Gen-X Series 5 Channel Car Amplifier with Bass Remote

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4000W Peak (1480W RMS) Class D Gen-X Series 5 Channel Car Amplifier with Bass Remote

• 130 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 220 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 420 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 1480 watts
• Class D 2 ohm Stable 5-Channel Amplifier

Save 30% off an NVX XKIT46 Amp Kit at Checkout!
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$395.95

In stock

Only 1 Left!


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$90.99

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DS18 PRO-TWN1 (Sold Individually)

240W Peak (60W RMS) 3" PRO-TWN Series 4-ohm Aluminum Slim Super Bullet Tweeter

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240W Peak (60W RMS) 3" PRO-TWN Series 4-ohm Aluminum Slim Super Bullet Tweeter

• 3" PRO-TWN 4-ohm Aluminum Slim Super Bullet Tweeter
• 240 watts Peak Each
• 120W Program Power each
• 60 watts RMS Each
• 4 ohm Impedance

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$40.95

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• 3" PRO-TWN 4-ohm Aluminum Slim Super Bullet Tweeter
• 240 watts Peak Each
• 120W Program Power each
• 60 watts RMS Each
• 4 ohm Impedance

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    FAQ for Universal-Fit Audio & Electronics in 2003 DeVille

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

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

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