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2004 Mitsubishi Eclipse

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 Mitsubishi Eclipse

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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Belva BB2D (Open Box, Good)

2.0 Farad Capacitor with Digital Red Display, Perfect for systems up to 2000W

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2.0 Farad Capacitor with Digital Red Display, Perfect for systems up to 2000W

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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1
List price $89.99
-63% $32.99

In stock

Only 2 Left!

• 2.0 Farad Power Capacitor
• Perfect for Systems up to 2000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

NVX XLCA2X PRO (Open Box, Great)

2-Channel Line Out Converter Digital Bass Enhancer with xBOOST, Impedance Matching, and Remote Level Control

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2-Channel Line Out Converter Digital Bass Enhancer with xBOOST, Impedance Matching, and Remote Level Control

• 2-Channel Speaker Level Inputs
• Adjustable xBOOST corrects for bass roll-off
• Handles up to 30V (225 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

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1
List price $83.99
-29% $59.99

In stock

Only 1 Left!

• 2-Channel Speaker Level Inputs
• Adjustable xBOOST corrects for bass roll-off
• Handles up to 30V (225 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

Belva BPKG10T (Open Box, Great)

600W MAX 10" Shallow-Mount Angled Amplified Loaded Subwoofer Enclosure

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600W MAX 10" Shallow-Mount Angled Amplified Loaded Subwoofer Enclosure

• 10" Amplified Loaded Subwoofer System
• 300 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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List price $209.99
-57% $89.99

In stock

Only 2 Left!

NVX XHESG10 (Open Box, Great)

Universal High-Excursion Mesh Grille for Most 10" Subwoofers

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Universal High-Excursion Mesh Grille for Most 10" Subwoofers

• Universal high-excursion grille for 10" subwoofers
Does not work with NVX XC-series or VC-series v3 subs
• Finished in a non-reflective matte black color
• Includes grille and necessary mounting bracket
• Color: Matte black

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List price $29.99
-47% $15.99

In stock

Only 3 Left!

• Universal high-excursion grille for 10" subwoofers
Does not work with NVX XC-series or VC-series v3 subs
• Finished in a non-reflective matte black color
• Includes grille and necessary mounting bracket
• Color: Matte black

Stinger SPP1500DC (Open Box, Good)

1500 Amp SPP Series Dry Cell Battery w/ Protective Steel Case

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1500 Amp SPP Series Dry Cell Battery w/ Protective Steel Case

• 12v Dry Cell Valve Regulated Lead Acid Battery (AGM)
• OEM Replacement for Group 34
• Good For Over 400 Full Discharge Cycles
• Internal Resistance: 3.0 mOhm
• CCA: 825A
• Peak Discharge: 3100A
• Dimensions: 6.99"W x 10.85"D x 7.82"H

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List price $1789.00
-78% $394.19

In stock

Only 1 Left!

• 12v Dry Cell Valve Regulated Lead Acid Battery (AGM)
• OEM Replacement for Group 34
• Good For Over 400 Full Discharge Cycles
• Internal Resistance: 3.0 mOhm
• CCA: 825A
• Peak Discharge: 3100A
• Dimensions: 6.99"W x 10.85"D x 7.82"H

Dual 12" 3/4 MDF Sealed Subwoofer Enclosure (Belva MDFD12) (Like New (Open Box))

Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

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Dual 12-inch Sealed Car Sub Box Made with 3/4" MDF and lined w/Polyfil (2.46 cu ft Airspace - 12SQB)

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

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1
List price $119.99
-15% $101.99

In stock

Only 1 Left!

• 3/4" Medium Density Fiberboard Construction
• Durable Black Carpeting
• Pre-Lined with Poly-Fil
• Gold Speaker Terminals

NVX XCR1 (Open Box, Great)

Dash Mount Wired Remote Level Bass Control Knob For Select NVX and AudioControl Sound Processors

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Dash Mount Wired Remote Level Bass Control Knob For Select NVX and AudioControl Sound Processors

• 20' Power Cable Included
• Mounts Using Built-On Bracket
• Brings Controls Closer to You
• Compatiable with a Range of Products

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List price $29.99
-49% $15.39

In stock

Only 2 Left!

• 20' Power Cable Included
• Mounts Using Built-On Bracket
• Brings Controls Closer to You
• Compatiable with a Range of Products

Belva 1.0 Farad Capacitor (Open Box, Good)

1.0 Farad Capacitor with Digital Red Display

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1.0 Farad Capacitor with Digital Red Display

• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

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1
List price $79.99
-63% $29.99

In stock

• 1.0 Farad Power Capacitor
• Perfect for Systems up to 1000 Watts
• Audible Warning
• Red Voltage Display
• Mounting Brackets Included

JL Audio MicroSub CP208LG-W3v3 (Open Box, Good)

500 Watt RMS Dual 8" 8W3v3-4 Subwoofers Loaded in a Slot-Ported MicroSub Enclosure

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500 Watt RMS Dual 8" 8W3v3-4 Subwoofers Loaded in a Slot-Ported MicroSub Enclosure

• Dual 8" Enclosed Subwoofer System w/ Two 8w3v3-4 Subwoofer Drivers
• Peak Power: 1000 watts
• RMS Power: 500 watts
• Final Impedance: 2 Ohm mono
• Mineral-filled Polypropylene Cone Woofers

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List price $879.99
-40% $527.99

In stock

Only 1 Left!

• Dual 8" Enclosed Subwoofer System w/ Two 8w3v3-4 Subwoofer Drivers
• Peak Power: 1000 watts
• RMS Power: 500 watts
• Final Impedance: 2 Ohm mono
• Mineral-filled Polypropylene Cone Woofers

NVX QB10SPA (Open Box, Good)

1200W MAX (350W RMS) Single 10" Amplified Ported Loaded Subwoofer Enclosure with Remote Bass Knob

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1200W MAX (350W RMS) Single 10" Amplified Ported Loaded Subwoofer Enclosure with Remote Bass Knob

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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List price $275.98
-42% $159.99

In stock

Only 2 Left!

• 10" Amplified Loaded Subwoofer System
• 350 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

Limited time!

NVX NBA201 (Open Box, Great)

1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

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1400W Peak (700W) RMS N-Series Class A/B 2-Channel Amplifier

• 200 watts x 2 channel @ 4 ohm
• 350 watts x 2 channel @ 2 ohm
• Bridged: 700 watts x 1 channel @ 4 ohm
• Total RMS Power: 700 watts
• CEA-2006 Compliant

Save 30% on an NVX XKIT42 Amp Kit with Purchase!
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1
List price $249.99
-48% $129.99

In stock

Only 3 Left!


Available Deal
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Offer may end without notice

Eligible items

Shop items below for 30% off up to $100 discount on an NVX XKIT42 Amp Kit

NVX XAPK4 + XIV25 (XKIT42 Sub)

$109.99

$76.99

$33 Savings!

Add to cart

Lowest price in 30 days

JL Audio RD1500/1 (Open Box, Great)

1500W RMS Class D RD Series Monoblock Car Amplifier

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1500W RMS Class D RD Series Monoblock Car Amplifier

• 750 watts x 1 channel @ 4 ohm
• 1000 watts x 1 channel @ 3 ohm
• 1500 watts x 1 channel @ 2 ohm
• 1500 watts x 1 channel @ 1 ohm
• Total RMS Power: 1500 watts
• Class D 1 ohm Stable Monoblock Amplifier

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20
List price $729.99
-22% $567.44

In stock

NVX XEQ7 - Graphic Equalizer (Equivalent to Clarion EQS755) (Open Box, Good)

7-Band Graphic Equalizer with Front 3.5mm Auxiliary Input

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7-Band Graphic Equalizer with Front 3.5mm Auxiliary Input

• Dual Auxiliary Inputs
• Master & Subwoofer Volume Control
• Gold-Plated Contacts
• Blue Illumination
• 7V Preamp Outputs

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200
List price $89.99
-49% $45.99

In stock

• Dual Auxiliary Inputs
• Master & Subwoofer Volume Control
• Gold-Plated Contacts
• Blue Illumination
• 7V Preamp Outputs

Limited time!

NVX VAD17001 (Open Box, Good)

1700W RMS Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

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1700W RMS Class D Monoblock Car/Marine/Powersports Amplifier with Bass Remote (Marine Certified)

• RMS: 800 x 1 @ 4 ohm, 1350W x 1 @ 2 ohm, 1700W x 1 @ 1 ohm
• Total RMS Power: 1700W
• CEA-2006 Compliant
• Wired Bass Remote Included
• Efficient Class D Design
• Dimensions: 10.1"W x 5.4"D x 2.0H

Save 30% on an NVX XKIT42 Amp Kit with Purchase!
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109
List price $399.99
-56% $177.27

In stock


Available Deal
VAD17001v2 main
Offer may end without notice

Eligible items

Shop items below for 30% off up to $100 discount on an NVX XKIT42 Amp Kit

NVX XAPK4 + XIV25 (XKIT42 Sub)

$109.99

$76.99

$33 Savings!

Add to cart

JL Audio MLC-RW (Open Box, Great)

Marine RGB Lighting Controller

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Marine RGB Lighting Controller

• Works with your JL Audio LED speakers
• Control lighting colors and the intensity of your lighting
• Compact system can be installed in almost any application
• Built-in over-current and short-circuit protection
• Built-in voltage and temperature monitoring

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List price $349.99
-14% $299.99

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• Works with your JL Audio LED speakers
• Control lighting colors and the intensity of your lighting
• Compact system can be installed in almost any application
• Built-in over-current and short-circuit protection
• Built-in voltage and temperature monitoring

NVX XLOC66X (Open Box, Good)

6 inputs / 6 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

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6 inputs / 6 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control

• 6-Channel Speaker Level Inputs
• 6-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

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List price $101.99
-31% $69.99

In stock

Only 3 Left!

• 6-Channel Speaker Level Inputs
• 6-Channel RCA Outputs
• Handles up to 40V (400 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

NVX VUBT2v2 (VUBT2 Version 2) (Like New (Open Box))

Universal Waterproof Bluetooth Audio Receiver for Cars, Vehicles, Motorcycles/ATVs & Marine/Boat Use (V-Series)

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Universal Waterproof Bluetooth Audio Receiver for Cars, Vehicles, Motorcycles/ATVs & Marine/Boat Use (V-Series)

• Bluetooth Profile: A2DP (High-Quality, Stereo Audio)
• Bluetooth Core Specification: Version 4.0 with aptX
• Outputs One Stereo Pair, Low-Level RCA Plugs
• Output Voltage: 2V RMS
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)
• Input Operating Voltage: 8 - 28 VDC

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List price $49.99
-32% $33.99

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Only 1 Left!

• Bluetooth Profile: A2DP (High-Quality, Stereo Audio)
• Bluetooth Core Specification: Version 4.0 with aptX
• Outputs One Stereo Pair, Low-Level RCA Plugs
• Output Voltage: 2V RMS
• Signal to Noise Ratio: 93 dB (20 Hz - 20 kHz)
• Input Operating Voltage: 8 - 28 VDC

NVX XW4BL5 (Open Box, Great)

5 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

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5 ft. of Metallic Powder Blue EnvyFlex True Spec 4-Gauge Power/Ground Wire Cable

• Metallic Powder Blue 4-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket • Length: 5 Feet

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List price $19.99
-48% $10.49

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Only 3 Left!

• Metallic Powder Blue 4-Gauge Power/Ground Wire Cable
• Silver-Tinned 100% Virgin Copper
• EnvyFlex Outer Jacket • Length: 5 Feet

Infinity Kappa 83WDSSI (INFSUBKA83WDSSIAM) (Open Box, Great)

1200W Peak (400W RMS) 8” Kappa Series Single 2-or 4-ohm Car Subwoofer

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1200W Peak (400W RMS) 8” Kappa Series Single 2-or 4-ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 5.42"
• Sensitivity: 91 dB

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List price $289.95
-32% $195.97

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• Peak Power: 1200 watts
• RMS Power: 400 watts
• Impedance: Single 2 or 4 ohm
• Glass Fiber Cone
• Rubber Surround
• Mount depth: 5.42"
• Sensitivity: 91 dB

MB Quart NA3-1000.5 (Open Box, Good)

Nautic Marine 1000 Watt 5 Channel Marine Amplifier with Bass Remote

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Nautic Marine 1000 Watt 5 Channel Marine Amplifier with Bass Remote

• 75 Watts Peak x 4 + 100 Watts x 1 @ 4 ohm
• 150 Watts Peak x 4 + 200 Watts x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• NMMA Certified
• Audiophile Marine Standard
• LED system protection circuit diagnostics
• Class SQ & Class Q1

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List price $569.99
-43% $323.99

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Only 1 Left!

• 75 Watts Peak x 4 + 100 Watts x 1 @ 4 ohm
• 150 Watts Peak x 4 + 200 Watts x 1 @ 2 ohm
• Total Peak Power: 1000 Watts
• CEA-2006 Compliant
• NMMA Certified
• Audiophile Marine Standard
• LED system protection circuit diagnostics
• Class SQ & Class Q1

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    FAQ for Universal-Fit Audio & Electronics in 2004 Eclipse

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

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

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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
    • 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.