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2004 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 2004 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 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 PRO-DR1.354

320W Peak (80W RMS) 1” Throat 4-ohm Twist-on Compression Driver with Titanium Voice Coil

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320W Peak (80W RMS) 1” Throat 4-ohm Twist-on Compression Driver with Titanium Voice Coil

• 1" Throat compression driver
• Titanium Diaphragm Material
• 320 watts Peak, 80 watts RMS
• 4 ohm Impedance

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List price $47.99
-17% $39.95

In stock.

• 1" Throat compression driver
• Titanium Diaphragm Material
• 320 watts Peak, 80 watts RMS
• 4 ohm Impedance

DS18 MRX-EXT20

20 Ft. MXRC Remote Control Marine and Powersports Extension Cord

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20 Ft. MXRC Remote Control Marine and Powersports Extension Cord

• 20 Ft. MXRC remote control extension cord
• Compatible with MRC and MXRC
• Easy to use plug and play solution
• Works with 3.5 mm connector
• Power and sound extension cord included

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List price $39.99
-18% $32.95

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• 20 Ft. MXRC remote control extension cord
• Compatible with MRC and MXRC
• Easy to use plug and play solution
• Works with 3.5 mm connector
• Power and sound extension cord included

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

Limited time!

DS18 FRP-1.2K4/BL

1200W RMS Class D FRP Series 4-Channel Car Amplifier (Blue)

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1200W RMS Class D FRP Series 4-Channel Car Amplifier (Blue)

• 120 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• 300 watts x 4 channel @ 1 ohm
• Bridged: 350 watts x 2 channel @ 4 ohm
• Bridged: 500 watts x 2 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable 4-Channel Amplifier

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
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List price $359.99
-17% $299.95

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NVX XKIT44

$119.99

$83.99

$36 Savings!

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• 120 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• 300 watts x 4 channel @ 1 ohm
• Bridged: 350 watts x 2 channel @ 4 ohm
• Bridged: 500 watts x 2 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable 4-Channel Amplifier

Limited time!

DS18 SMD-2800.5

2800W RMS Class AB/D SMD Series 5 Channel Car Amplifier with Bass Remote

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2800W RMS Class AB/D SMD Series 5 Channel Car Amplifier with Bass Remote

• 180 watts x 4 channel + 700 watts x 1 channel @ 4 ohm
• 250 watts x 4 channel + 1100 watts x 1 channel @ 2 ohm
• Bridged: 500 watts x 2 channel @ 4 ohm + 1100 watts x 1 channel @ 2 ohm
• Total RMS Power: 2800 watts
• Class AB / D 1 ohm Stable 5-Channel Amplifier

Save 30% off an NVX XKIT06 Amp Kit at Checkout!
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$949.95

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NVX XKIT06

$184.99

$129.49

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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

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• 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 ZXI-112LD.RG

2000W Peak (1000W RMS) Loaded Single 12" Rugged Vented Enclosure

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2000W Peak (1000W RMS) Loaded Single 12" Rugged Vented Enclosure

• Ported armored rugged enclosure with 1 12" ZXI Series Subwoofer
• 1000 watts RMS (2000 watts Peak)
• Final Impedance: 1-ohm
• Dimensions: 23.15" L x 14.5" H x 17.72" W x 19.7" W2

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$539.95

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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

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• 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 FHSANL

1/0-4 Gauge Square ANL Fuse Holder

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1/0-4 Gauge Square ANL Fuse Holder

• Square ANL fuse holder
• Connects to 1/0-4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

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List price $16.99
-18% $13.95

In stock.

• Square ANL fuse holder
• Connects to 1/0-4-gauge power wire
• Maximum Input Gauge Size: 1/0 AWG
• Maximum Ouput Gauge Size: 1/0 AWG
• Total Number of Inputs: 1
• Total Number of Outputs: 1
• Nickel Plated Material

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

DS18 LRING15

15" RGB LED Ring for Loudspeakers and Speakers

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15" RGB LED Ring for Loudspeakers and Speakers

• 15” RGB LED ring for speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Pre-drilled holes for easy installation

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List price $77.99
-17% $64.95

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• 15” RGB LED ring for speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Pre-drilled holes for easy installation

DS18 NXL-X8TP/WH.NS

Empty 6.5" Marine Tower Speaker Pods (White)

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Empty 6.5" Marine Tower Speaker Pods (White)

• Empty 6.5" Marine Tower Speaker Pods
• Injection PC and ABS enclosure material
• Die-cast 360-degree adjustable clamps
• IP65 marine grade rating

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List price $359.99
-17% $299.95

In stock.

• Empty 6.5" Marine Tower Speaker Pods
• Injection PC and ABS enclosure material
• Die-cast 360-degree adjustable clamps
• IP65 marine grade rating

DS18 PRO-TWX3.8Ti (Sold Individually)

500W Peak (150W RMS) 3.8" PRO-TWX Series 8-ohm Aluminum Super Bullet Tweeter

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500W Peak (150W RMS) 3.8" PRO-TWX Series 8-ohm Aluminum Super Bullet Tweeter

• 3.8" PRO-TWX Series 4-ohm Aluminum Super Bullet Tweeter
• 500 watts Peak Each
• Program Power: 250 watts each
• 125 watts RMS Each
• 8 ohm Impedance
• Sensitivity: 108 dB (1w/1m)

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$53.95

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• 3.8" PRO-TWX Series 4-ohm Aluminum Super Bullet Tweeter
• 500 watts Peak Each
• Program Power: 250 watts each
• 125 watts RMS Each
• 8 ohm Impedance
• Sensitivity: 108 dB (1w/1m)

DS18 NXL-LRING8

8" RGB LED Ring for NXL and CF Series Marine and Powersports Speakers

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8" RGB LED Ring for NXL and CF Series Marine and Powersports Speakers

• 8" RGB LED ring for NXL and CF series marine speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Ideal for car, pro, marine, jeep, and motorsports

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List price $46.99
-17% $38.95

In stock.

• 8" RGB LED ring for NXL and CF series marine speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Ideal for car, pro, marine, jeep, and motorsports

DS18 EN-OSP62

Empty Dual 6.5" Universal Overhead Flat Mount Speaker Pod

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Empty Dual 6.5" Universal Overhead Flat Mount Speaker Pod

• 6.5" Universal Dual Overhead Flat Mount Speaker Pod
• Durable polyethylene waterproof enclosure with UV protection
• Accommodates most 6.5" DS18 speakers
• Easy and hassle-free install with all mounting hardware included

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$179.95

In stock.

• 6.5" Universal Dual Overhead Flat Mount Speaker Pod
• Durable polyethylene waterproof enclosure with UV protection
• Accommodates most 6.5" DS18 speakers
• Easy and hassle-free install with all mounting hardware included

DS18 PRO-TW750CN-8/BK (Sold Individually)

440W Peak (160W RMS) 4" PRO Series 8-ohm Pro Audio Super Bullet Tweeter

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440W Peak (160W RMS) 4" PRO Series 8-ohm Pro Audio Super Bullet Tweeter

• 4" PRO Series Pro Audio Tweeter
• 440 watts Peak, 160 watts RMS
• 8 ohm impedance

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$119.95

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Only 2 Left!

• 4" PRO Series Pro Audio Tweeter
• 440 watts Peak, 160 watts RMS
• 8 ohm impedance

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
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• 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"

DS18 FLMBPS/WHV2

Swivel Flat Mount Bracket Clamp Adaptor for NXL-PS and CF-PS Series Marine Tower Speakers in White

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Swivel Flat Mount Bracket Clamp Adaptor for NXL-PS and CF-PS Series Marine Tower Speakers in White

• Swivel flat mounting bracket for tower speakers
• Fits NXL-X and CF-X series marine tower speakers
• 30° tilt adjustable bracket construction
• Made from alloy zinc with aluminum and copper
• Painted in glossy white

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List price $118.99
-17% $98.95

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• Swivel flat mounting bracket for tower speakers
• Fits NXL-X and CF-X series marine tower speakers
• 30° tilt adjustable bracket construction
• Made from alloy zinc with aluminum and copper
• Painted in glossy white

DS18 G1800.1D

1800W Peak (600W RMS) Class D GEN-X Series Monoblock Car Amplifier with Bass Remote

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1800W Peak (600W RMS) Class D GEN-X Series Monoblock Car Amplifier with Bass Remote

• 250 watts x 1 channel @ 4 ohm
• 400 watts x 1 channel @ 2 ohm
• Total RMS Power: 600 watts
• Class D 1 ohm Stable Monoblock Amplifier

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$239.95

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    FAQ for Universal-Fit Audio & Electronics in 2004 DeVille

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2004 Cadillac DeVille?

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

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    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
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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
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

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