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 PRO-TW720L (Sold Individally)

280W Peak (140W RMS) 1.6" Pro Series Pro Audio 4-ohm Super Bullet Tweeter with RGB LED Lights

PRO-TW720L big
Go to item page Right Arrow Icon of Right Arrow

280W Peak (140W RMS) 1.6" Pro Series Pro Audio 4-ohm Super Bullet Tweeter with RGB LED Lights

• 1.6" Pro Series Pro Audio Shallow Super Bullet Tweeters
• Includes integrated RGB LED light
• 280 watts Peak
• 140 watts RMS
• 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

$59.95

In stock.

• 1.6" Pro Series Pro Audio Shallow Super Bullet Tweeters
• Includes integrated RGB LED light
• 280 watts Peak
• 140 watts RMS
• 4 ohm Impedance

DS18 BKVTR

Universal Wired Bass Remote Level Controller with Built-in Voltmeter and LED Temperature Sensor Display

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

Universal Wired Bass Remote Level Controller with Built-in Voltmeter and LED Temperature Sensor Display

• Universal bass knob with voltmeter and LED temperature sensor
• Compatible with most stereos and amplifiers
• Features remote amplifier trigger
• Digital Volt Meter (10V-15.9V)
• Temperature Sensor (0°-125°C/32°-257°F)
• Rotary push turn On/Off for amplifier remote

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 $86.99
-17% $71.95

In stock

• Universal bass knob with voltmeter and LED temperature sensor
• Compatible with most stereos and amplifiers
• Features remote amplifier trigger
• Digital Volt Meter (10V-15.9V)
• Temperature Sensor (0°-125°C/32°-257°F)
• Rotary push turn On/Off for amplifier remote

NVX - Worth the Envy - Direct to Consumer Car Audio

DS18 JK-SQBASSHARNESS

SQBASS Underseat Subwoofer Plug and Play Harness for Jeep JK and JKU Vehicles

JK-SQBASSHARNESS big
Go to item page Right Arrow Icon of Right Arrow

SQBASS Underseat Subwoofer Plug and Play Harness for Jeep JK and JKU Vehicles

• Plug and play harness for SQBASS underseat subwoofer
• Compatible with Jeep JK and JKU vehicles
• OFC (Oxygen Free Copper) wiring material
• Plug and play OEM connectors

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 $86.99
-17% $71.95

In stock.

• Plug and play harness for SQBASS underseat subwoofer
• Compatible with Jeep JK and JKU vehicles
• OFC (Oxygen Free Copper) wiring material
• Plug and play OEM connectors

DS18 EN2T

Empty Dual 2.5" Universal A-Pillar Tweeter Pod

en2t big
Go to item page Right Arrow Icon of Right Arrow

Empty Dual 2.5" Universal A-Pillar Tweeter Pod

• High Density Universal A Pillar Pod for 2.5" Tweeters
• Durable high-density and durable plastic construction
• Enclosure houses 2 2.5" dome tweeters
• UV protected and all elements ready

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$28.95

In stock.

• High Density Universal A Pillar Pod for 2.5" Tweeters
• Durable high-density and durable plastic construction
• Enclosure houses 2 2.5" dome tweeters
• UV protected and all elements ready

DS18 IXS12.4D

1600W Peak (800W RMS) 12" IXS Series Dual 4-ohm Shallow Car Subwoofer

IXS12.4D big
Go to item page Right Arrow Icon of Right Arrow

1600W Peak (800W RMS) 12" IXS Series Dual 4-ohm Shallow Car Subwoofer

• Peak Power: 1600 watts
• RMS Power: 800 watts
• Paper Cone
• Rubber Surround
• Impedance: Dual 4 ohm
• Mount depth: 4.33"
• Sensitivity: 85.1 dB

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

VIP Product Get $26.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
$263.95

In stock

Limited time!

DS18 SXE-1200.4/RD

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

SXE-1200.4/RD big
Go to item page Right Arrow Icon of Right Arrow

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

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $15.59 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
$155.95

In stock


Available Deal
SXE-1200.4/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 XKIT44

$119.99

$83.99

$36 Savings!

Add to cart

DS18 FHDB3ANL-150A

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

FHDB3ANL-150A big
Go to item page Right Arrow Icon of Right Arrow

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

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 $39.99
-18% $32.95

In stock.

• 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-JS8/WH (Sold by Pair)

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

EN-JS8/WH big
Go to item page Right Arrow Icon of Right Arrow

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

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

VIP Product Get $21.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$214.95

In stock

• 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 PRO-TWX5 (Sold Individually)

500W Peak (250W RMS) 4" x 5.35" 4-ohm Pro Audio Super Bullet Tweeter

PRO-TWX5 big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 4" x 5.35" 4-ohm Pro Audio Super Bullet Tweeter

• 4"x5.35" Aluminum Super Bullet Tweeters
• 500 watts Peak Each
• 250 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

$52.95

In stock.

• 4"x5.35" Aluminum Super Bullet Tweeters
• 500 watts Peak Each
• 250 watts RMS Each
• 4 ohm Impedance

DS18 ZXI8.2D

1200W Peak (600W RMS) 8" ZXI Series High Excursion Dual 2-ohm Subwoofer

ZXI8.2D big
Go to item page Right Arrow Icon of Right Arrow

1200W Peak (600W RMS) 8" ZXI Series High Excursion Dual 2-ohm Subwoofer

• Peak Power: 1200 watts
• RMS Power: 600 watts
• Impedance: Dual 2 ohm
• Non-Pressed Paper Cone
• Foam Surround
• Mount depth: 5.51"
• Sensitivity: 86 dB

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

VIP Product Get $20.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$203.95

In stock

DS18 NXL-DLRING10

Digital LED Rings for 10" Marine and Powersports Speakers

NXL-DLRING10 big
Go to item page Right Arrow Icon of Right Arrow

Digital LED Rings for 10" 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: 10"
• Spacer Thickness: 0.5"

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

VIP Product Get $9.50 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $113.99
-17% $94.95

In stock.

• Fits most DS18 NXL and CF series marine speakers
• Includes 2 digital LED spacer rings (screws not included)
• Compatible Speaker Size: 10"
• Spacer Thickness: 0.5"

DS18 DXQTTI

120W Peak (60W RMS) 2.2" DXQ Series 4-ohm Tweeters

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

120W Peak (60W RMS) 2.2" DXQ Series 4-ohm Tweeters

• 2.2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

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

VIP Product Get $14.00 in rewards to spend later

install icon

Install kits available for most vehicles

Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
$139.95 /pair

In stock

Only 2 Left!

• 2.2" DXQ Series Tweeters
• 60 watts Peak Each
• 30 watts RMS Each
• 4 ohm Impedance

DS18 PRO-TWX2

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

PRO-TWX2 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

2
$53.95

In stock

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

DS18 SQBASS8

800W Peak (150W RMS) 8" Amplified Underseat Subwoofer with Bass Remote

SQBASS8 big
Go to item page Right Arrow Icon of Right Arrow

800W Peak (150W RMS) 8" Amplified Underseat Subwoofer with Bass Remote

• 8" Underseat Subwoofer with Amplifier
• 800 watts Peak / 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

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

VIP Product Get $27.60 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$275.95

In stock

• 8" Underseat Subwoofer with Amplifier
• 800 watts Peak / 150 watts RMS
• Built-In Class D Amplifier
• Variable Bass Boost
• Speaker-Level Inputs
• Wired Remote Bass Level Control

DS18 PRO-TWX3Ti (Sold Individually)

500W Peak (250W RMS) 3.8" PRO-TWX Series 4-ohm Super Bullet Tweeter with Bass Blocker

PRO-TWX3Ti big
Go to item page Right Arrow Icon of Right Arrow

500W Peak (250W RMS) 3.8" PRO-TWX Series 4-ohm Super Bullet Tweeter with Bass Blocker

• 3.8" PRO-TWX Series Tweeter
• 500 watts Peak
• 250 watts RMS
• 150 watts AES
• 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

$53.95

In stock

Only 2 Left!

• 3.8" PRO-TWX Series Tweeter
• 500 watts Peak
• 250 watts RMS
• 150 watts AES
• 4 ohm Impedance

DS18 EN28-28

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

EN28-28 big
Go to item page Right Arrow Icon of Right Arrow

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

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

VIP Product Get $26.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$263.95

In stock.

• 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 PRO-TW920 (Sold Individually)

320W Peak (160W RMS) 1.4" Pro Series High Compression Super Bullet Tweeter

PRO-TW920 big
Go to item page Right Arrow Icon of Right Arrow

320W Peak (160W RMS) 1.4" Pro Series High Compression Super Bullet Tweeter

• 1.4" Bullet Tweeter
• 320 watts Peak Each
• 160 watts RMS Each
• 4 ohm Impedance

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

VIP Product Get $8.40 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$83.95

In stock.

• 1.4" Bullet Tweeter
• 320 watts Peak Each
• 160 watts RMS Each
• 4 ohm Impedance

DS18 SW-OFC12GA-250RB

250 ft 12-Gauge Speaker Wire (Red and Black)

SW-OFC12GA-250RB big
Go to item page Right Arrow Icon of Right Arrow

250 ft 12-Gauge Speaker Wire (Red and Black)

• 250 feet 12 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 $43.20 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $518.99
-17% $431.95

In stock.

• 250 feet 12 gauge Speaker Wire
• OFC (100% Oxygen-Free Copper) material
• Color: Red
• Ultra flex shield-type material

Limited time!

DS18 SXE-4000.4D/RD

4000W Peak (1500W RMS) Class D SXE Series 4-Channel Car Amplifier

SXE-4000.4D/RD big
Go to item page Right Arrow Icon of Right Arrow

4000W Peak (1500W RMS) Class D SXE Series 4-Channel Car Amplifier

• 275 watts x 4 channel @ 4 ohm
• 430 watts x 4 channel @ 2 ohm
• Bridged: 750 watts x 2 channel @ 4 ohm
• Total RMS Power: 1500 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier (Red)

Save 30% off an NVX XKIT44 Amp Kit at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $34.20 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$341.95

In stock

Only 3 Left!


Available Deal
SXE-4000.4D/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 XKIT44

$119.99

$83.99

$36 Savings!

Add to cart

Used from: $273.00

DS18 PRO-TSQ3IN1

400W Peak (200W RMS) 3" 4-ohm High Compression Pro Audio Super Bullet Tweeter

protsq3in1 big
Go to item page Right Arrow Icon of Right Arrow

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

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$65.95

Available

Ships in 10-14 days

• 3" Aluminum Alloy Super Bullet Tweeters
• 200 watts Peak Each
• 100 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

    2021 Nissan Frontier

    2025 Audi A3

    2003 Ford Taurus

    2004 Mazda B2300

    2003 Mitsubishi Eclipse

    2017 Buick LaCrosse

    1983 Buick Skyhawk

    1982 Buick Riviera

    2015 Ram C/V

    1994 Dodge B150

    Vehicle
    Store
    Delete

    2002 Harley Davidson FXSTD Softail Deuce

    Vehicle
    Store
    Delete

    2017 Can-Am Defender DPS HD5

    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.