Garage
Shop

2003 Porsche Cayenne

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 Porsche Cayenne

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

JL Audio SGR-12TW3

Mesh Grille for JL Audio 12" TW3 Subwoofers

SGR-12TW3 big
Go to item page Right Arrow Icon of Right Arrow

Mesh Grille for JL Audio 12" TW3 Subwoofers

• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

6
$49.99

In stock

• 12" Subwoofer Grille
• Steel Mesh Material
• For Use with TW3 Series Subwoofers
• Powder Coated Satin Black Finish

SPL-LAB Mini Bass Meter SE (Second Edition)

Compact Sound Pressure Meter with Voltage Measure Display

Mini Bass Meter SE big
Go to item page Right Arrow Icon of Right Arrow

Compact Sound Pressure Meter with Voltage Measure Display

• Compact standalone sound pressure meter
• Measures SPL, current, maximum, and minimum voltage
• Measures speaker tunes and subwoofers
• Attachable to car windshield

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

VIP Product Get $23.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $269.99
-15% $229.99

In stock

• Compact standalone sound pressure meter
• Measures SPL, current, maximum, and minimum voltage
• Measures speaker tunes and subwoofers
• Attachable to car windshield

2 Pack of 300 Amp Nickel-Plated ANL Fuse (Belva BANL300)

Two fuses per order. High quality 300 Amp ANL Fuses

BANL300 big
Go to item page Right Arrow Icon of Right Arrow

Two fuses per order. High quality 300 Amp ANL Fuses

• 300A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

19
List price $7.99
-50% $3.99

In stock

• 300A ANL Fuse
• 2 Pack
• Nickel Plated
• Resealable Polybag
• Heavy Duty Construction

Rockford Fosgate PP4-X

250W Peak (125W RMS) 4-Ohm Passive Crossover

PP4-X big
Go to item page Right Arrow Icon of Right Arrow

250W Peak (125W RMS) 4-Ohm Passive Crossover

• Passive Crossover
• 250W Max and 125W RMS
• Dual Woofer Outputs
• Includes Mounting Hardware
• Designed for Punch Pro Midrange Drivers and Tweeters

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

VIP Product Get $10.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$99.99

In stock

• Passive Crossover
• 250W Max and 125W RMS
• Dual Woofer Outputs
• Includes Mounting Hardware
• Designed for Punch Pro Midrange Drivers and Tweeters

Crimestopper LP-FRAME-BLK

License Plate Frame for CAM-300 and CAM-400 Backup Camera (Black)

LP-FRAME-BLK big
Go to item page Right Arrow Icon of Right Arrow

License Plate Frame for CAM-300 and CAM-400 Backup Camera (Black)

• Full Frame License Plate Frame Camera Bracket
• Works exclusively with CAM-300 and CAM-400
• Powder coated black metal finish
• Hidden wiring for easy installation

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 $53.98
-33% $35.99

In stock

Only 1 Left!

• Full Frame License Plate Frame Camera Bracket
• Works exclusively with CAM-300 and CAM-400
• Powder coated black metal finish
• Hidden wiring for easy installation

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

Works with all subwoofer and speaker enclosures.

Universal Round Chrome-plated Terminal Cup for Speaker / Subwoofer Boxes
• Chrome-Plated Contacts
• Screw Binding Posts
• Easy to Install and Use

shipping truck icon Free shipping in USA. Provide zip for delivery date.
9
List price $7.99
-50% $3.99

In stock

Universal Round Chrome-plated Terminal Cup for Speaker / Subwoofer Boxes
• Chrome-Plated Contacts
• Screw Binding Posts
• Easy to Install and Use

Axxess AX-TRIG1

Universal Parking Brake Bypass Module for Aftermarket Stereos

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

Universal Parking Brake Bypass Module for Aftermarket Stereos

• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

shipping truck icon Free shipping in USA. Provide zip for delivery date.
17
List price $24.99
-12% $21.99

In stock

• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

Belva BST1008

Pair of 10 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

BST1008 big
Go to item page Right Arrow Icon of Right Arrow

Pair of 10 Gauge Spade Terminals, #8 Opening with Nickel Plated Brass (1 Black & 1 Red)

• Spade Terminals
• 10 Gauge • 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

4
List price $3.99
-50% $1.99

In stock

• Spade Terminals
• 10 Gauge • 1 Red & 1 Black
• Nickel Plated
• Resealable Polybag

NVX SDBSK2 Premium Stealth Black

91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)

SDBSK2 big
Go to item page Right Arrow Icon of Right Arrow

91 mil 1.38 sq ft Car Speaker Sound Deadening Kit (Two 10" x 10" Sheets)

• 1.38 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091
• Install Location: Speaker
• Pack includes two 10" x 10" sheets

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

47
List price $18.74
-20% $14.99

In stock

• 1.38 square feet sound deadening kit
• Solid black design for any stealth car audio installation
• Material Used: Vibration Dampener
• Material Thickness: 0.091
• Install Location: Speaker
• Pack includes two 10" x 10" sheets

Omega DS-2.4

Economy Door Lock Actuator

DS-2.4 big
Go to item page Right Arrow Icon of Right Arrow

Economy Door Lock Actuator

• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

5
List price $19.99
-40% $11.99

In stock

• Single Door Lock Actuator
• Converts Manual Doorlocks Into Power Doorlocks
• Two-Wire Reverse Polarity Operation
• Universal Mounting Hardware Included

Sound Extreme by ECOXGEAR ACC-SERV7

1.5" to 3" Universal Roll Cage Mounting Clamps

ACC-SERV7 big
Go to item page Right Arrow Icon of Right Arrow

1.5" to 3" Universal Roll Cage Mounting Clamps

• Universal Roll-Cage Soundbar Mounting Clamps
• Designed for use in SoundExtreme soundbars (Sold separately)
• Fits in 1.5" to 3" mounting tubes
• Sold in pairs

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 $129.99
-8% $119.99

In stock

Only 2 Left!

• Universal Roll-Cage Soundbar Mounting Clamps
• Designed for use in SoundExtreme soundbars (Sold separately)
• Fits in 1.5" to 3" mounting tubes
• Sold in pairs

Belva BAK82

8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

BAK82 big
Go to item page Right Arrow Icon of Right Arrow

8 Gauge Premium (CCA) Copper Clad Aluminum Complete 2-Channel Amplifier Wiring Kit with RCA for Amplifiers up to 600 Watts - RED

• Complete 8 Gauge Amplifier Installation Kit
• For Amplifiers Up To 600 Watts RMS
• Premium (CCA) Copper Clad Aluminum
• Helical Twist 2-Channel RCA Cable
• ANL/Mini-ANL Fuse Holder with 60 amp fuse
• Complies to American Wire Gauge standards

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

97
List price $49.99
-50% $24.99

In stock

Used from: $27.99 Like New from: $33.99

PAC BB-1PR

Pair of Bass Blocker / Passive Crossover; Removes 0-300Hz at 4 ohms, 0-150Hz at 8 ohms (BB1PR)

BB-1PR big
Go to item page Right Arrow Icon of Right Arrow

Pair of Bass Blocker / Passive Crossover; Removes 0-300Hz at 4 ohms, 0-150Hz at 8 ohms (BB1PR)

&bull Pair of Bass Blockers for 6" x 9" Speakers
• Blocks 0-300Hz @ 4 Ohm
• Blocks 0-150Hz @ 8 Ohm
• Filters Out Unwanted Frequencies Towards Speakers

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

13
List price $29.00
-45% $15.99

In stock

&bull Pair of Bass Blockers for 6" x 9" Speakers
• Blocks 0-300Hz @ 4 Ohm
• Blocks 0-150Hz @ 8 Ohm
• Filters Out Unwanted Frequencies Towards Speakers

Install Bay Firewall Grommet (IBFG4)

4 Gauge (7/8" Mounting Hole) Waterproof Firewall Grommet

IBFG4 big
Go to item page Right Arrow Icon of Right Arrow

4 Gauge (7/8" Mounting Hole) Waterproof Firewall Grommet

• 4 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

10
List price $3.99
-25% $2.99

In stock

• 4 Gauge Firewall Grommet
• IP68 Waterproof Rating
• Protects Cables When Installing Through a FIrewall
• Sold Individually

Wet Sounds ADP TC3-S

1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

ADP TC3-S big
Go to item page Right Arrow Icon of Right Arrow

1-7/8" to 3" Stainless Steel Swivel Clamp for REV and ICON Series Tower Speakers

• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

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

VIP Product Get $58.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$579.99

In stock

Only 2 Left!

• High-polished stainless steel tower speaker swivel clamps
• Designed to fit tube diameters of 1-7/8" up to 3"
• Fits REV8, REV10, and ICON8 tower speakers
• Includes mounting bolts

Alpine KCX-CAM1

Composite RCA to Direct Camera Adaptor for Alpine Stereos

KCX-CAM1 big
Go to item page Right Arrow Icon of Right Arrow

Composite RCA to Direct Camera Adaptor for Alpine Stereos

• Composite RCA to direct camera adaptor
• Compatible with all Alpine stereos with direct camera input
• Ideal for adding any aftermarket camera
• Plug and play, no cutting or splicing required

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 $20.00
$19.95

In stock

• Composite RCA to direct camera adaptor
• Compatible with all Alpine stereos with direct camera input
• Ideal for adding any aftermarket camera
• Plug and play, no cutting or splicing required

BBS-1 big
Go to item page Right Arrow Icon of Right Arrow

Universal Siren, works with any alarm system!

• Makes noise even if thief disconnects main car battery
• Key on/off feature to allow manual override

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
List price $39.99
-63% $14.99

In stock

Only 1 Left!

• Makes noise even if thief disconnects main car battery
• Key on/off feature to allow manual override

Directed 535T

Power Window Automation System w/ One Touch Operation

535T big
Go to item page Right Arrow Icon of Right Arrow

Power Window Automation System w/ One Touch Operation

• Controls Operation of 2 Vehicle Windows
• Automatically Rolls Up Power Windows when the Vehicle's Security System is Armed
• One Touch Operation
• Auxiliary Channel to Vent or Roll Down Windows Completely from the Security System

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
List price $179.99
-53% $84.99

In stock

• Controls Operation of 2 Vehicle Windows
• Automatically Rolls Up Power Windows when the Vehicle's Security System is Armed
• One Touch Operation
• Auxiliary Channel to Vent or Roll Down Windows Completely from the Security System

Stinger SGP90300

High Power 300 Amp Circuit Breaker w/ Built-In Distribution

SGP90300 big
Go to item page Right Arrow Icon of Right Arrow

High Power 300 Amp Circuit Breaker w/ Built-In Distribution

• 300 AMP Circuit Breaker
• Input Gauge Size: 0 to 4 AWG
• Maximum Output Gauge: 4 AWG

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $139.00
-56% $60.99

In stock

• 300 AMP Circuit Breaker
• Input Gauge Size: 0 to 4 AWG
• Maximum Output Gauge: 4 AWG

NVX XIV25

16.4 ft (5 meter) 2-Channel V-Series RCA Audio Interconnect Cable

XIV25 big
Go to item page Right Arrow Icon of Right Arrow

16.4 ft (5 meter) 2-Channel V-Series RCA Audio Interconnect Cable

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

43
List price $18.99
-32% $12.99

In stock

• Shielded noise-rejecting Twisted-pair construction
• Heavy gauge OFC conductors ensure superior sound quality
• Split-tip Silver-Plated ends offer best in class signal transfer
• Molded ends equipped with colored channel identifiers

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 Cayenne

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

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

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

    2020 Subaru Forester

    2004 Cadillac Escalade

    2002 BMW Z3

    2003 Porsche Cayenne

    2018 Dodge Durango

    1976 Ford Ranchero

    2022 BMW M2

    1987 BMW 325e

    2009 Mitsubishi Eclipse Spyder

    2020 BMW M4

    Vehicle
    Store
    Delete

    2007 Harley Davidson FLTR Road Glide

    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.