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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-TW4L

560W Peak (280W RMS) 4.5" PRO Series 4-ohm Bullet Tweeter with RGB Illumination

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560W Peak (280W RMS) 4.5" PRO Series 4-ohm Bullet Tweeter with RGB Illumination

• 4-1/2" PRO Series Bullet Tweeters
• 560 watts Peak Each
• 280 watts RMS Each
• 4 ohm Impedance

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$64.95

In stock

• 4-1/2" PRO Series Bullet Tweeters
• 560 watts Peak Each
• 280 watts RMS Each
• 4 ohm Impedance

DS18 PRO-TWN6.8

300W Peak (75W RMS) 4" High Compression 8-ohm Super Bullet Tweeter

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300W Peak (75W RMS) 4" High Compression 8-ohm Super Bullet Tweeter

• 4" High Compression Super Bullet Tweeter
• 300 watts Peak / 75 watts RMS
• 8 ohms impedance
• 1.25" Polyimide voice coil
• Black / Machined material
• Tweeter sold indvidually

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List price $86.99
-17% $71.95

Available

Ships in 10-14 days

• 4" High Compression Super Bullet Tweeter
• 300 watts Peak / 75 watts RMS
• 8 ohms impedance
• 1.25" Polyimide voice coil
• Black / Machined material
• Tweeter sold indvidually

Limited time!

DS18 FRP-2.4K4/BL

2400W RMS Class D FRP Series 4-Channel Car Amplifier (Black)

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2400W RMS Class D FRP Series 4-Channel Car Amplifier (Black)

• 250 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• 600 watts x 4 channel @ 1 ohm
• Bridged: 750 watts x 2 channel @ 4 ohm
• Bridged: 1000 watts x 2 channel @ 2 ohm
• Total RMS Power: 2400 watts
• Class D 1 ohm Stable 4-Channel Amplifier

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$349.95

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Ships in 10-14 days


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DS18 ION1600.4D

4800W Peak (1600W RMS) Class D ION Series 4 Channel Full Range Car Amplifier

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4800W Peak (1600W RMS) Class D ION Series 4 Channel Full Range Car Amplifier

• 240 watts x 4 channel @ 4 ohm
• 400 watts x 4 channel @ 2 ohm
• Bridged: 800 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• Class D 2 ohm Stable 4-Channel Amplifier

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NVX XKIT44

$119.99

$83.99

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DS18 DSP4.8BTM

8-Channel Digital Sound Processor with Bluetooth

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8-Channel Digital Sound Processor with Bluetooth

• 4-Channel input and 8-Channel out digital sound processor
• Bluetooth connectivity via DS18 DSP App
• IOS and Android Compatible
• Durable coated PCB

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$275.95

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• 4-Channel input and 8-Channel out digital sound processor
• Bluetooth connectivity via DS18 DSP App
• IOS and Android Compatible
• Durable coated PCB

DS18 PRO-TW1L (Sold Individually)

200W Peak (100W RMS) 3.8" PRO-TW Series 4-ohm Aluminum Super Tweeter with RGB LED Lights

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200W Peak (100W RMS) 3.8" PRO-TW Series 4-ohm Aluminum Super Tweeter with RGB LED Lights

• 3.8" PRO-TW Series 4-ohm Aluminum Super Tweeter
• RGB LED illumination
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance
• Sensitivity: 103 dB

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$44.95

In stock.

• 3.8" PRO-TW Series 4-ohm Aluminum Super Tweeter
• RGB LED illumination
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance
• Sensitivity: 103 dB

Limited time!

DS18 SXE-1200.4/RD

1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range Car Amplifier

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1200W Peak (400W RMS) Class AB SXE Series 4 Channel Full Range Car Amplifier

• 60 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm
• Total RMS Power: 400 watts
• Class A/B 2 ohm Stable 4-Channel Amplifier

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$155.95

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DS18 ZR1600.4D

7200W Peak (2720W RMS) Class D ZR Series 4-Channel Car Amplifier

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7200W Peak (2720W RMS) Class D ZR Series 4-Channel Car Amplifier

• 400 watts x 4 channel @ 4 ohm
• 680 watts x 4 channel @ 2 ohm
• Bridged: 1200 watts x 2 channel @ 4 ohm
• Total RMS Power: 2720 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Save 30% off an NVX XKIT04 Amp Kit at Checkout!
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$455.95

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Only 1 Left!


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DS18 SW-12GA-500RB

500 Ft. 12 Gauge High Performance Ultra Flex Speaker Wire (Red)

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500 Ft. 12 Gauge High Performance Ultra Flex Speaker Wire (Red)

• 500 feet 12 gauge Speaker Wire
• CCA (Copper-Clad Aluminum) material
• Wiring for high performance applications
• Ultra-flex wiring for high flex and extra durability
• Color: Red and Black

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List price $215.99
-17% $179.95

In stock.

• 500 feet 12 gauge Speaker Wire
• CCA (Copper-Clad Aluminum) material
• Wiring for high performance applications
• Ultra-flex wiring for high flex and extra durability
• Color: Red and Black

DS18 EN28-28

28" Empty Dual 8" Speaker and 3.78" Tweeter Universal Speaker Enclosure

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28" Empty Dual 8" Speaker and 3.78" Tweeter Universal Speaker Enclosure

• Universal Dual 8" Sealed Water-Resistant Speaker Enclosure
• Fits 2 x 8" car speakers and 2 x 3.78" super tweeters
• Durable ABS Plastic construction
• IP65 Water-resistant rating
• Universal fit for cars, trucks, ATVs and UTVs

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$263.95

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• Universal Dual 8" Sealed Water-Resistant Speaker Enclosure
• Fits 2 x 8" car speakers and 2 x 3.78" super tweeters
• Durable ABS Plastic construction
• IP65 Water-resistant rating
• Universal fit for cars, trucks, ATVs and UTVs

DS18 FHDB3ANL-150A

1/0-4 Gauge Input and 3x 4-8 Gauge Output ANL Distribution Block with 3x 150A Fuse

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1/0-4 Gauge Input and 3x 4-8 Gauge Output ANL Distribution Block with 3x 150A Fuse

• ANL distribution fuse holder with 3 150-amp fuses
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Output Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 3
• Nickel Plated Material

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List price $39.99
-18% $32.95

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• ANL distribution fuse holder with 3 150-amp fuses
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Output Gauge Size: 4 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 3
• Nickel Plated Material

DS18 EN-CFJS6 (Sold by Pair)

Empty Single 6.5" Universal Flat Mount Kick Panel Speaker Pods in Carbon Fiber with RGB LED

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Empty Single 6.5" Universal Flat Mount Kick Panel Speaker Pods in Carbon Fiber with RGB LED

• Pair of 6.5" universal flat mount kick panel speaker pods
• Durable high-density and durable plastic construction
• Enclosure houses 1 6.5" coaxial speaker
• Carbon fiber design and construction
• IP36 and UV rated, all elements ready
• Speakers sold by pair

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$227.95

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• Pair of 6.5" universal flat mount kick panel speaker pods
• Durable high-density and durable plastic construction
• Enclosure houses 1 6.5" coaxial speaker
• Carbon fiber design and construction
• IP36 and UV rated, all elements ready
• Speakers sold by pair

DS18 CCL1/0

1/0 Gauge Copper Ring Terminals (Pack of 10)

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1/0 Gauge Copper Ring Terminals (Pack of 10)

• 1/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

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List price $32.99
-18% $26.95

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• 1/0-gauge copper ring terminals
• Package includes 10 ring terminals
• Designed with closed end pads
• Impenetrable shield against moisture

DS18 EN-JS8/WH (Sold by Pair)

Empty Single 8" Universal Flat Mount Kick Panel Speaker Pods in White with RGB LED

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Empty Single 8" Universal Flat Mount Kick Panel Speaker Pods in White with RGB LED

• Pair of 8" universal flat mount kick panel speaker pods in white
• Durable high-density and durable plastic construction
• Enclosure houses 1 8" coaxial speaker
• IP36 and UV rated, all elements ready
• Speakers sold by pair

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$214.95

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• Pair of 8" universal flat mount kick panel speaker pods in white
• Durable high-density and durable plastic construction
• Enclosure houses 1 8" coaxial speaker
• IP36 and UV rated, all elements ready
• Speakers sold by pair

DS18 VOC8PRO

Empty Dual 8" Vented Voceteo Speaker Enclosure with Speakon Cable

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Empty Dual 8" Vented Voceteo Speaker Enclosure with Speakon Cable

• Vented Dual 8" Speaker Enclosure
• 1/2" Medium Density Fiberboard (MDF) construction with black carpet finish
• 12 feet Speakon cable with 14-gauge OFC wire included
• Total box volume: 0.64 cubic feet

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$199.95

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Ships in 10-14 days

• Vented Dual 8" Speaker Enclosure
• 1/2" Medium Density Fiberboard (MDF) construction with black carpet finish
• 12 feet Speakon cable with 14-gauge OFC wire included
• Total box volume: 0.64 cubic feet

DS18 PRO-GRILL6MS

Universal Shallow Mesh Grille for Most 6.5" Speakers (Red)

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Universal Shallow Mesh Grille for Most 6.5" Speakers (Red)

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in high glossy red
• Sold individually/per piece

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List price $17.99
-17% $14.95

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• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in high glossy red
• Sold individually/per piece

DS18 ZXI8.4D

1200W Peak (600W RMS) 8" ZXI Series Dual 4-ohm High Excursion Subwoofer

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1200W Peak (600W RMS) 8" ZXI Series Dual 4-ohm High Excursion Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 5.51"
• Sensitivity: 86 dB

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$203.95

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DS18 PRO-TWN3

200W Peak (100W RMS) 2.5" Pro Series High Compression Neodymium Hybrid Tweeter

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200W Peak (100W RMS) 2.5" Pro Series High Compression Neodymium Hybrid Tweeter

• 2.5" PEN High Compression Bullet Tweeter
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

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$41.95

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• 2.5" PEN High Compression Bullet Tweeter
• 200 watts Peak Each
• 100 watts RMS Each
• 4 ohm Impedance

DS18 ZR212LD

3200W Peak (1600W RMS) Loaded Dual 12" Vented Enclosure

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3200W Peak (1600W RMS) Loaded Dual 12" Vented Enclosure

• Ported enclosure with 2 12" ZR Series Subwoofer
• 3200 watts RMS (1600 watts Peak
• Final Impedance: 1-ohm
• Dimensions: 36.22" L x 14.48" H x 19.68" W x 21.65" W2

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$599.95

In stock

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DS18 INF-180AH

12V 180Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell Battery

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12V 180Ah Infinite Absorbent Glass Mat (AGM) Car Power Cell Battery

• 12-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 $863.99
-17% $719.95

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

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