Garage
Shop

2003 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 2003 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.

Loading...
Filters

We are sorry, no available results!

filter-icon Filters & Sort

DS18 X2

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

X2 big
Go to item page Right Arrow Icon of Right Arrow

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $21.60 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $259.99
-17% $215.95

In stock.

Limited time!

DS18 X4XL

1800W Peak (720W RMS) Class D X Series 4-Channel Car Amplifier

X4XL big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak (720W RMS) Class D X Series 4-Channel Car Amplifier

• 120 watts x 4 channel @ 4 ohm
• 180 watts x 4 channel @ 2 ohm
• Bridged: 300 watts x 2 channel @ 4 ohm
• Total RMS Power: 720 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

Save 30% off an NVX XKIT84 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $30.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $359.99
-17% $299.95

In stock.


Available Deal
X4XL main
Offer may end without notice

Eligible items

Shop items below for 30% off up to $300 discount on Save 30% off an NVX Amp Kit!

NVX XKIT84

$79.99

$55.99

$24 Savings!

Add to cart

NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 SW-OFC16GA-500RB

500 ft 16-Gauge Speaker Wire (Red and Black)

SW-OFC16GA-500RB big
Go to item page Right Arrow Icon of Right Arrow

500 ft 16-Gauge Speaker Wire (Red and Black)

• 500 feet 16 gauge Speaker Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Red
• Ultra flex shield-type material

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $36.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $431.99
-17% $359.95

In stock.

• 500 feet 16 gauge Speaker Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Red
• Ultra flex shield-type material

DS18 CLP-SB1.5

0.95" to 1.5" Clamp Adaptors for SB24BT and SB37BT Sound Bars

CLP-SB1.5 big
Go to item page Right Arrow Icon of Right Arrow

0.95" to 1.5" Clamp Adaptors for SB24BT and SB37BT Sound Bars

• Sound bar speaker system clamp adaptor
• For tubes with 1.5" or less in diameter
• Mainly for DS18 SB24BT and DS18 SB37BT
• Strong and durable material used

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $28.99
-17% $23.95

Available

Ships in 10-14 days

• Sound bar speaker system clamp adaptor
• For tubes with 1.5" or less in diameter
• Mainly for DS18 SB24BT and DS18 SB37BT
• Strong and durable material used

DS18 MTLOC5

5-Channel High-to-Low Line Output Converter

MTLOC5 big
Go to item page Right Arrow Icon of Right Arrow

5-Channel High-to-Low Line Output Converter

• 5-Channel line output converter
• 2/5-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $11.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$109.95

In stock

Only 1 Left!

• 5-Channel line output converter
• 2/5-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

DS18 PRO-TWN2 (Sold Individually)

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

PRO-TWN2 big
Go to item page Right Arrow Icon of Right Arrow

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $7.70 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$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

Limited time!

DS18 SXE-2500.1D/RD

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

SXE-2500.1D/RD big
Go to item page Right Arrow Icon of Right Arrow

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

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

Save 30% on an NVX XKIT42 Amp Kit with Purchase!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $24.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$239.95

In stock

Only 2 Left!


Available Deal
SXE-2500.1D/RD 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

DS18 Hydro NXL-N4

1800W Peak Class D HYDRO Series 4-Channel Ultra-Compact Marine and Powersports Amplifier

NXL-N4 big
Go to item page Right Arrow Icon of Right Arrow

1800W Peak Class D HYDRO Series 4-Channel Ultra-Compact Marine and Powersports Amplifier

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• IP67 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $33.60 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$335.95

In stock.

• 100 watts x 4 channel @ 4 ohm
• 150 watts x 4 channel @ 2 ohm
• IP67 waterproof rating
• Class D 2 ohm Stable 4-Channel-Channel Amplifier

DS18 SB37BTX

120W Peak (200W RMS) 37” 10-Speaker Marine Amplified Bluetooth Soundbar

SB37BTX big
Go to item page Right Arrow Icon of Right Arrow

120W Peak (200W RMS) 37” 10-Speaker Marine Amplified Bluetooth Soundbar

• Peak Power: 1200 watts
• Built-in A/B amplifier
• Weatherproof IPX-35 Rating
• (8) 3" Full-range speakers
• (2) 1" Soft Dome Tweeters
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 37.8" W x 3.98" H x 3.98" D

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $54.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $647.99
-17% $539.95

In stock

Only 1 Left!

• Peak Power: 1200 watts
• Built-in A/B amplifier
• Weatherproof IPX-35 Rating
• (8) 3" Full-range speakers
• (2) 1" Soft Dome Tweeters
• USB playback and charging
• AUX input for smartphones and MP3
• Dimensions: 37.8" W x 3.98" H x 3.98" D

DS18 MOFCKIT4

4-Gauge Marine Grade Tinned Complete Amplifier Installation Kit

MOFCKIT4 big
Go to item page Right Arrow Icon of Right Arrow

4-Gauge Marine Grade Tinned Complete Amplifier Installation Kit

• 4 gauge Power Amplifier Installation Kit
• Designed specifically for car audio systems up to 1800 watts
• Made from OFC (100% Oxygen-Free Copper)
• 2 Channel RCA interconnect cables included for the audio signal connection from the receiver to the amplifier
• Perfect for motorcycle, powersports, or marine application

2+ offers available
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $21.60 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $259.99
-17% $215.95

In stock.

Continue to cart

Available Offers (2) for DS18 MOFCKIT4
15% off an NVX XCAP10H w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP10H Capacitor! No code needed — discount applies automatically at checkout.
15% off an NVX XCAP1F w/ Select Amp Kits Add a qualifying amplifier to your cart and save 15% on the NVX XCAP1F Capacitor! No code needed — discount applies automatically at checkout.
Limited time!

DS18 FRP-3.5K/RD

3500W RMS Class D FRP Series Monoblock Car Amplifier with Bass Remote (Red)

FRP-3.5K/RD big
Go to item page Right Arrow Icon of Right Arrow

3500W RMS Class D FRP Series Monoblock Car Amplifier with Bass Remote (Red)

• 1000 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3500 watts x 1 channel @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $42.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $503.99
-17% $419.95

In stock.


Available Deal
FRP-3.5K/RD main
Offer may end without notice

Eligible items

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

NVX XKIT02

$179.99

$125.99

$54 Savings!

Add to cart

DS18 i48DSP

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

i48DSP big
Go to item page Right Arrow Icon of Right Arrow

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%

shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $25.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

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%

Limited time!

DS18 EXL-P2000X1D

2000W RMS Class D EXL Power Series Monoblock Car Amplifier with Bass Remote

EXL-P2000X1D big
Go to item page Right Arrow Icon of Right Arrow

2000W RMS Class D EXL Power Series Monoblock Car Amplifier with Bass Remote

• 500 Watts x 1 @ 4 ohm
• 1000 Watts x 1 @ 2 ohm
• Total RMS Power: 1000 Watts
• Class D 2-Ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $40.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$399.95

In stock.


Available Deal
EXL-P2000X1D main
Offer may end without notice

Eligible items

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

NVX XKIT02

$179.99

$125.99

$54 Savings!

Add to cart

DS18 GEN-XX12.4DHE

1200W Peak (600W RMS) 12" GEN-XX Series Dual 4-ohm Car Subwoofer

GEN-XX12.4DHE big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 12" GEN-XX Series Dual 4-ohm Car Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Paper Cone
• Foam Surround
• Impedance: Dual 4 ohm
• Mount depth: 6.5"
• Sensitivity: 86.7 dB

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$179.95

In stock

DS18 PRO-TWX6 (Sold individually)

480W Peak (120W RMS) 4x4" PRO-TWX Series 8-ohm Aluminum Super Bullet Tweeter

PRO-TWX6 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (120W RMS) 4x4" PRO-TWX Series 8-ohm Aluminum Super Bullet Tweeter

• 4x4" PRO-TWX 8-ohm Aluminum Super Bullet Tweeter
• 480 watts Peak Each
• Program Power: 240 watts each
• 120 watts RMS Each
• 8 ohm Impedance
• Sensitivity: 112 dB (1w/1m)

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$53.95

In stock.

• 4x4" PRO-TWX 8-ohm Aluminum Super Bullet Tweeter
• 480 watts Peak Each
• Program Power: 240 watts each
• 120 watts RMS Each
• 8 ohm Impedance
• Sensitivity: 112 dB (1w/1m)

Limited time!

DS18 FRP-3.5K/BL

3500W RMS Class D FRP Series Monoblock Car Amplifier with Bass Remote (Blue)

FRP-3.5K/BL big
Go to item page Right Arrow Icon of Right Arrow

3500W RMS Class D FRP Series Monoblock Car Amplifier with Bass Remote (Blue)

• 1000 watts x 1 channel @ 4 ohm
• 2000 watts x 1 channel @ 2 ohm
• 3500 watts x 1 channel @ 1 ohm
• Total RMS Power: 3500 watts
• Class D 1 ohm Stable Monoblock Amplifier

Save 30% off an NVX XKIT02 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $42.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $503.99
-17% $419.95

In stock.


Available Deal
FRP-3.5K/BL main
Offer may end without notice

Eligible items

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

NVX XKIT02

$179.99

$125.99

$54 Savings!

Add to cart

DS18 PRO-TW750C-4/BK

400W Peak (150W RMS) 4" Pro Audio 4-ohm Super Bullet Tweeter (Black)

PRO-TW750C-4/BK big
Go to item page Right Arrow Icon of Right Arrow

400W Peak (150W RMS) 4" Pro Audio 4-ohm Super Bullet Tweeter (Black)

• 4" Titanium tweeter construction
• 400 watts Peak / 150 watts RMS
• 4 ohms impedance
• 1.5" KSV voice coil
• Body Color/Finish: Black

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $64.99
-17% $53.95

In stock

Only 2 Left!

• 4" Titanium tweeter construction
• 400 watts Peak / 150 watts RMS
• 4 ohms impedance
• 1.5" KSV voice coil
• Body Color/Finish: Black

DS18 MTLOC2

2-Channel High-to-Low Line Output Converter

MTLOC2 big
Go to item page Right Arrow Icon of Right Arrow

2-Channel High-to-Low Line Output Converter

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$74.95

In stock.

• 2-Channel line output converter
• 20V/40V input select
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection

DS18 PRO-DR1.75

600W Peak (300W RMS) 1” Throat 8-ohm Twist-on Compression Driver with Titanium Voice Coil

PRO-DR1.75 big
Go to item page Right Arrow Icon of Right Arrow

600W Peak (300W RMS) 1” Throat 8-ohm Twist-on Compression Driver with Titanium Voice Coil

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

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $56.99
-18% $46.95

In stock.

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

DS18 PRO-TWX1

480W Peak (240W RMS) 3.8" 4-ohm Pro Audio Super Bullet Tweeters

PRO-TWX1 big
Go to item page Right Arrow Icon of Right Arrow

480W Peak (240W RMS) 3.8" 4-ohm Pro Audio Super Bullet Tweeters

• 3.8" Aluminum Super Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$41.95

In stock.

• 3.8" Aluminum Super Bullet Tweeters
• 240 watts Peak Each
• 120 watts RMS Each
• 4 ohm Impedance

NVX - Worth the Envy - Direct to Consumer Car Audio

Items per page: 20 40 60

    Clear all
    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    FAQ for Universal-Fit Audio & Electronics in 2003 Eclipse

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

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

    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2009 Dodge Sprinter 2500

    1992 Toyota Corolla

    2003 Mitsubishi Eclipse

    2012 Subaru Impreza

    1994 Isuzu Trooper

    1994 Ford Aerostar

    2019 BMW 2 Series

    2017 BMW M2

    2007 Honda Element

    1987 Dodge Colt E

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    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.