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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 AHDRC

Universal Front and Rear Adjustable HD Camera with Selectable AHD/CVBS System

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Universal Front and Rear Adjustable HD Camera with Selectable AHD/CVBS System

• Universal front and rear camera with AHD/CVBS system
• Universal surface or flush mount (front or rear)
• High resolution / low illumination
• Full color with parking guide feature
• Selectable AHD / CVBS systems
• IP68 waterproof rated for all elements

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List price $50.99
-18% $41.95

In stock

• Universal front and rear camera with AHD/CVBS system
• Universal surface or flush mount (front or rear)
• High resolution / low illumination
• Full color with parking guide feature
• Selectable AHD / CVBS systems
• IP68 waterproof rated for all elements

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%

NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 EN-JS8/RD (Sold by Pair)

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

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

• Pair of 8" universal flat mount kick panel speaker pods in red
• 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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$178.95

Available

Ships in 10-14 days

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

Limited time!

DS18 H-KO8

8000W RMS Class D Hooligan Series Monoblock Car Amplifier with Bass Remote

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8000W RMS Class D Hooligan Series Monoblock Car Amplifier with Bass Remote

• 2500 watts x 1 channel @ 4 ohm
• 4800 watts x 1 channel @ 2 ohm
• 8000 watts x 1 channel @ 1 ohm
• Total RMS Power: 8000 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
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$1,559.95

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DS18 SXE-2500.1D/BK

2500W Peak (800W RMS) Class D SXE Series Monoblock Car Amplifier with Bass Remote

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2500W Peak (800W RMS) Class D SXE Series Monoblock Car Amplifier with Bass Remote

• 350 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 800 watts x 1 channel @ 1 ohm
• Total RMS Power: 800 watts
• Class D 1 ohm Stable Monoblock Amplifier
• Black Brushed Aluminum Body Color

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$239.95

In stock.

DS18 PRO-TWN6.4 (Sold Individually)

300W Peak (75W RMS) 4" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter

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300W Peak (75W RMS) 4" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter

• 4" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter
• 300 watts Peak Each
• 150 watts Program Power each
• 75 watts RMS Each
• 4 ohm Impedance

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$71.95

In stock.

• 4" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter
• 300 watts Peak Each
• 150 watts Program Power each
• 75 watts RMS Each
• 4 ohm Impedance

DS18 PRO-TWN2 (Sold Individually)

200W Peak (50W RMS) 3" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter

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200W Peak (50W RMS) 3" PRO-TWN Series 4-ohm Aluminum Super Bullet Tweeter

• 3" PRO-TWN 4-ohm Aluminum Super Bullet Tweeter
• 200 watts Peak Each
• 100 watts Program Power each
• 50 watts RMS Each
• 4 ohm Impedance

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$76.95

In stock.

• 3" PRO-TWN 4-ohm Aluminum Super Bullet Tweeter
• 200 watts Peak Each
• 100 watts Program Power each
• 50 watts RMS Each
• 4 ohm Impedance

DS18 DBPM100.MX

2-Channel Digital Bass Restoration Processor with Mexico Design

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2-Channel Digital Bass Restoration Processor with Mexico Design

• 2-Channel digital bass processor with Mexican design
• Subsonic Filter / Output Voltage / Ground Iso
• Bass / Power / Clip LED indicator
• Remote Level Control w/ Clip LED

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List price $187.99
-17% $155.95

In stock.

• 2-Channel digital bass processor with Mexican design
• Subsonic Filter / Output Voltage / Ground Iso
• Bass / Power / Clip LED indicator
• Remote Level Control w/ Clip LED

DS18 SB24BTX

600W Peak (200W RMS) 24” 6-Speaker Marine Amplified Bluetooth Soundbar

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600W Peak (200W RMS) 24” 6-Speaker Marine Amplified Bluetooth Soundbar

• Peak Power: 600 watts
• Built-in A/B amplifier
• Weatherproof IPX-35 Rating
• (6) 3" Full-range speakers
• (2) 1" Soft Dome Tweeters
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 24.6" W x 3.98" H x 3.98" D

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List price $503.99
-17% $419.95

In stock.

• Peak Power: 600 watts
• Built-in A/B amplifier
• Weatherproof IPX-35 Rating
• (6) 3" Full-range speakers
• (2) 1" Soft Dome Tweeters
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 24.6" W x 3.98" H x 3.98" D

DS18 ZR12.2D

1500W Peak (750W RMS) 12" ZR Series Dual 2-ohm Car Subwoofer

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1500W Peak (750W RMS) 12" ZR Series Dual 2-ohm Car Subwoofer

• Peak Power: 1500 watts
• RMS Power: 750 watts
• Non-Pressed Paper Cone
• Foam Surround
• Impedance: Dual 2 ohm
• Mount depth: 6.6"
• Sensitivity: 82 dB

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$197.95

Available

Ships in 10-14 days

DS18 PRO-TW1LD

480W Peak (120W RMS) 4" Pro Audio 4-ohm Super Bullet Tweeters with LED Lights

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480W Peak (120W RMS) 4" Pro Audio 4-ohm Super Bullet Tweeters with LED Lights

• 4" Super Bullet Tweeter with LED Lights
• 480 watts per pair / 240 watts each Peak
• 120 watts per pair / 60 watts each RMS
• 4 ohms impedance
• 1" Aluminum voice coil
• Transparent Polycarbonate material
• Tweeters sold by pair

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List price $71.99
-17% $59.95

In stock.

• 4" Super Bullet Tweeter with LED Lights
• 480 watts per pair / 240 watts each Peak
• 120 watts per pair / 60 watts each RMS
• 4 ohms impedance
• 1" Aluminum voice coil
• Transparent Polycarbonate material
• Tweeters sold by pair

DS18 PRO-DR250

300W Peak (200W RMS) 1” Throat 8-ohm Twist-on Compression Driver with Phenolic Voice Coil

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300W Peak (200W RMS) 1” Throat 8-ohm Twist-on Compression Driver with Phenolic Voice Coil

• 1" Throat compression driver
• Phenolic Diaphragm Material
• 300 watts Peak, 200 watts RMS
• 8 ohm Impedance

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List price $50.99
-18% $41.95

In stock.

• 1" Throat compression driver
• Phenolic Diaphragm Material
• 300 watts Peak, 200 watts RMS
• 8 ohm Impedance

DS18 SBAR25

600W Peak (200W RMS) 25" 6-Speaker Non-Amplified Soundbar with RGB LED

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600W Peak (200W RMS) 25" 6-Speaker Non-Amplified Soundbar with RGB LED

• Peak Power: 600 watts
• Weatherproof IPX-65 Rating
• (4) 4" Full-range speakers
• (2) 1" Dome Titanium Tweeters
• Integrated RGB LED lighting
• Dimensions: 5.5" W x 7.75" H x 5.118" D

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$389.95

In stock.

• Peak Power: 600 watts
• Weatherproof IPX-65 Rating
• (4) 4" Full-range speakers
• (2) 1" Dome Titanium Tweeters
• Integrated RGB LED lighting
• Dimensions: 5.5" W x 7.75" H x 5.118" D

DS18 PRO-D3 (Sold Individually)

600W Peak (300W RMS) 2" PRO Series 8-Ohm Throat Bolt-On Compression Driver

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600W Peak (300W RMS) 2" PRO Series 8-Ohm Throat Bolt-On Compression Driver

• [SIZE]” Phenolic Pro Audio Throat Bolt-on Compression Driver
• 600 watts Peak Each
• 300 watts RMS Each
• 8 ohm Impedance

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$199.95

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• [SIZE]” Phenolic Pro Audio Throat Bolt-on Compression Driver
• 600 watts Peak Each
• 300 watts RMS Each
• 8 ohm Impedance

DS18 Hydro NXL-X600.4D

1600W Peak Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

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1600W Peak Class D HYDRO Series 4-Channel Marine and Powersports Amplifier

• 150 watts x 4 channel @ 4 ohm
• 200 watts x 4 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm
• Total RMS Power: 1600 watts
• IPX6 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

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$599.95

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DS18 QHL4

4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

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4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

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List price $179.99
-17% $149.95

Available

Ships in 10-14 days

• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator

DS18 PRO-DN22PY.8

800W Peak (200W RMS) 2" Throat 8-ohm Bolt-On Compression Driver with Polyimide Voice Coil

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800W Peak (200W RMS) 2" Throat 8-ohm Bolt-On Compression Driver with Polyimide Voice Coil

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 800 watts Peak, 200 watts RMS
• 8 ohm Impedance

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List price $287.99
-17% $239.95

In stock.

• 2" Throat compression driver
• Polyimide Diaphragm Material
• 800 watts Peak, 200 watts RMS
• 8 ohm Impedance

DS18 Hooligan X 15" (HOOL-X15.4DSPL)

6000W Peak (4000W RMS) 15" HOOLIGAN Series Dual 4-ohm Car Subwoofer

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6000W Peak (4000W RMS) 15" HOOLIGAN Series Dual 4-ohm Car Subwoofer

• Peak Power: 6000 watts
• RMS Power: 4000 watts
• Impedance: Dual 4 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 11.18"
• Sensitivity: 89 dB

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$959.95

In stock.

DS18 Hydro NXL-X1000.1D

2000W Peak Class D HYDRO Series Monoblock Marine and Powersports Subwoofer Amplifier

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2000W Peak Class D HYDRO Series Monoblock Marine and Powersports Subwoofer Amplifier

• 350 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 100 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• IPX6 waterproof rating
• Class D 1 ohm Stable Monoblock Amplifier

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$599.95

In stock.

• 350 watts x 1 channel @ 4 ohm
• 600 watts x 1 channel @ 2 ohm
• 100 watts x 1 channel @ 1 ohm
• Total RMS Power: 2000 watts
• IPX6 waterproof rating
• Class D 1 ohm Stable Monoblock Amplifier

DS18 PRO-DRNMD

880W Peak (440W RMS) 2" 8-ohm Pro Audio Compression Driver Tweeter

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880W Peak (440W RMS) 2" 8-ohm Pro Audio Compression Driver Tweeter

• 2" Pro-Audio Compression Driver Tweeter
• 880 watts Peak Each
• 440 watts RMS Each
• 8 ohm Impedance

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List price $1151.99
-17% $959.95

In stock.

• 2" Pro-Audio Compression Driver Tweeter
• 880 watts Peak Each
• 440 watts RMS Each
• 8 ohm Impedance

NVX - Worth the Envy - Direct to Consumer Car Audio

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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
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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
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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.