Garage
Shop

2002 Audi A8 Quattro

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 2002 Audi A8 Quattro

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

Wet Sounds ZERO 12 ENC

Empty Single 12" Sealed Enclosure for ZERO 12 Subwoofers

ZERO 12 ENC big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 12" Sealed Enclosure for ZERO 12 Subwoofers

• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Includes hardware to connect multiple ZERO 12 ENC boxes

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$369.99

In stock

Only 1 Left!

• 12" Single Sealed Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Includes hardware to connect multiple ZERO 12 ENC boxes

Metra 44-EC48 Antenna Extension

48" Universal Antenna Extension Cable

44-EC48 big
Go to item page Right Arrow Icon of Right Arrow

48" Universal Antenna Extension Cable

• Universal Antenna Extender • Extends Antenna 48" (4 ft.)

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 $13.99
-57% $5.99

In stock

Only 1 Left!

• Universal Antenna Extender • Extends Antenna 48" (4 ft.)

NVX - Worth the Envy - Direct to Consumer Car Audio
Limited time!

NVX SDRLR1 Sound Dampening Rubber Roller

Universal Professional Heavy Duty Roller for Sound Deadening Mat

SDRLR1 big
Go to item page Right Arrow Icon of Right Arrow

Universal Professional Heavy Duty Roller for Sound Deadening Mat

• Universal heavy duty roller for installing sound deadening mats
• Compatible with NVX, Dynamat, and other brands
• Thick plated steel frame
• 2" solid, soft urethane rubber roller

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

127
List price $13.99
-21% $10.99

In stock

• Universal heavy duty roller for installing sound deadening mats
• Compatible with NVX, Dynamat, and other brands
• Thick plated steel frame
• 2" solid, soft urethane rubber roller

Rockford Fosgate Prime R2 R2-1200X1

1200W RMS Class D Prime Series Monoblock Car Amplifier

R2-1200X1 big
Go to item page Right Arrow Icon of Right Arrow

1200W RMS Class D Prime Series Monoblock Car Amplifier

• 400 watts x 1 channel @ 4 ohm
• 800 watts x 1 channel @ 2 ohm
• Total RMS Power: 1200 watts
• Class D 1 ohm Stable Monoblock Amplifier

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

VIP Product Get $45.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

23
$449.99

In stock

Continue to cart

Available Offers (2) for Rockford Fosgate Prime R2 R2-1200X1
FREE NVX Amp Kit at Checkout!
Save 30% on an NVX XKIT42 Amp Kit with Purchase! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT42 Amp Kit! No code needed — discount applies automatically at checkout.
Used from: $382.49

Escort MAX 360c MKII (360cmkii)

Radar and Laser Detector with Wi-Fi, GPS, Bluetooth, and App Control

360cmkii big
Go to item page Right Arrow Icon of Right Arrow

Radar and Laser Detector with Wi-Fi, GPS, Bluetooth, and App Control

• Multi Band Radar and Laser Detector
• Works with Apple CarPlay and Android Auto
• AutoLearn Intelligence GPS-based technology
• Dual-band Wi-Fi for software updates
• True 360-degree awareness
• Variable speed sensitivity
• Supports Drive Smarter software
• M2 and Shifter compatible

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

VIP Product Get $60.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$599.95

In stock

• Multi Band Radar and Laser Detector
• Works with Apple CarPlay and Android Auto
• AutoLearn Intelligence GPS-based technology
• Dual-band Wi-Fi for software updates
• True 360-degree awareness
• Variable speed sensitivity
• Supports Drive Smarter software
• M2 and Shifter compatible

XS Power Titan8 (PWR-S6-3400)

6000W 10Ah Lithium Titanate Oxide (LTO) Battery

PWR-S6-3400 big
Go to item page Right Arrow Icon of Right Arrow

6000W 10Ah Lithium Titanate Oxide (LTO) Battery

• 14-volt Lithium Battery
• Sealed Lithium Titanate Oxide (LTO) design
• Perfect for up to 6000-watt audio systems

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

VIP Product Get $70.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

1
$699.99

In stock

Like New from: $594.99

• 14-volt Lithium Battery
• Sealed Lithium Titanate Oxide (LTO) design
• Perfect for up to 6000-watt audio systems

Tru Spec S15SUPB

Empty Single 15" Vented Prefabricated Enclosure

S15supb big
Go to item page Right Arrow Icon of Right Arrow

Empty Single 15" Vented Prefabricated Enclosure

• 15" Single Ported Subwoofer Enclosure
• 3/4" Medium Density Fiberboard (MDF) construction
• Computer-designed CNC cut
• Total box volume: 3.50 cubic feet

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 $399.99
-25% $299.99

In stock.

Rockford Fosgate PMX-ANT Antenna

AM/FM/WB Amplified 12V Antenna

PMX-ANT big
Go to item page Right Arrow Icon of Right Arrow

AM/FM/WB Amplified 12V Antenna

• PMX-ANT AM/FM/WB Amplified 12V Antenna
• Universal AM/FM/WB Antenna
• Omnidirectional
• Quick Power Connect for Easy Installation

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

VIP Product Get $9.00 in rewards to spend later

Universal Icon
Universal – fits most vehicles.
Shop similar products or Update vehicle
$89.99

Available

Ships in 10-14 days

• PMX-ANT AM/FM/WB Amplified 12V Antenna
• Universal AM/FM/WB Antenna
• Omnidirectional
• Quick Power Connect for Easy Installation

AudioControl LC-5.1300

1300W RMS Class D LC Series 5-Channel Car Amplifier with AccuBass

LC-5.1300 big
Go to item page Right Arrow Icon of Right Arrow

1300W RMS Class D LC Series 5-Channel Car Amplifier with AccuBass

• 100 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 200 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 400 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 1300 watts
• Class D 2 ohm Stable 5-Channel Amplifier

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

VIP Product Get $66.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

2
List price $1369.00
-52% $660.00

In stock

Continue to cart

Available Offers (2) for AudioControl LC-5.1300
FREE Belva Amp Kit at Checkout!
Save 30% off an NVX XKIT06 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT06 Amp Kit! No code needed — discount applies automatically at checkout.

PAC SNI-35

50W Peak Variable LOC

SNI-35 big
Go to item page Right Arrow Icon of Right Arrow

50W Peak Variable LOC

• Adjustable Line Output Converter
• Utilize Audio Transformer for Noise Isolation
• Compatible with 2 - 40 watts RMS of Radio Output

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
List price $19.00
-32% $12.99

In stock

• Adjustable Line Output Converter
• Utilize Audio Transformer for Noise Isolation
• Compatible with 2 - 40 watts RMS of Radio Output

Install Bay IBFG8

8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

IBFG8 big
Go to item page Right Arrow Icon of Right Arrow

8 Gauge (3/4" Mounting Hole) Waterproof Firewall Grommet

• 8 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

1
List price $2.99
-33% $1.99

In stock

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

JL Audio PS-SWMCP-B-2.250

2.25" Pipe Mounting Fixtures for VeX Marine Tower Speakers

PS-SWMCP-B-2.250 big
Go to item page Right Arrow Icon of Right Arrow

2.25" Pipe Mounting Fixtures for VeX Marine Tower Speakers

• 2.25" Pipe Mounting Fixtures for VeX Marine Tower Speakers
• Fixed mounting fixtures for PS650-VeX models
• Anodized finish with UV corrosion-resistant
• Allows mount to a variety of roll cage diameters or flat surfaces

Save on select Clamps!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
VIP Star Icon

VIP Product Get $18.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$179.99

Available

Ships in 10-14 days


Available Deal
PS-SWMCP-B-2.250 main
Offer may end without notice

Deal Details

Buy 1 Select M6 Series Marine Tower Speakers and you’ll save 50% off Select Clamps in your cart


• 2.25" Pipe Mounting Fixtures for VeX Marine Tower Speakers
• Fixed mounting fixtures for PS650-VeX models
• Anodized finish with UV corrosion-resistant
• Allows mount to a variety of roll cage diameters or flat surfaces

Rockford Fosgate DSR-1

8-Channel Digital Signal Processor with Integrated iDataLink Maestro Module

DSR1 big
Go to item page Right Arrow Icon of Right Arrow

8-Channel Digital Signal Processor with Integrated iDataLink Maestro Module

• Digital Signal Processing with Integrated Maestro CAN Interface
• Four channel high level inputs with signal sense turn on
• 18 Pin Analog Input and 16 Pin Analog Output Harness
• Interactive Tuning Interface Controlled via Android/iOS APP

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

$419.99

In stock

• Digital Signal Processing with Integrated Maestro CAN Interface
• Four channel high level inputs with signal sense turn on
• 18 Pin Analog Input and 16 Pin Analog Output Harness
• Interactive Tuning Interface Controlled via Android/iOS APP

Limited time!

NVX BARCAM221

Universal Waterproof License Plate Mount Backup Camera with Full Metal Body

BARCAM221 big
Go to item page Right Arrow Icon of Right Arrow

Universal Waterproof License Plate Mount Backup Camera with Full Metal Body

• Universal Rear View Backup Camera
• High-Resolution CMOS PC1089 Image Sensor
• Mounting Style: Top of License Plate Frame
• Viewing Angle: 170 ° (super wide viewing angle)
• Resolution: 510 x 496 
• Waterproof: Yes (IP67/68 waterproof)
• Night vision: Infrared LED's

Purchase $400 or More of NVX and Save 15%!
shipping truck icon Free shipping in USA. Provide zip for delivery date.

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

39
List price $99.99
-60% $39.99

In stock

Used from: $36.99

Kicker KEYLOC® (47KEYLOC)

KEY series powered line-out converter; RoHS Compliant

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

KEY series powered line-out converter; RoHS Compliant

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

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
List price $169.99
-12% $149.99

In stock

Like New from: $127.49

• 2-channel active line output converter
• 2 speaker-level inputs with up to 400 watts RMS power handling
• 2 preamp-level outputs (up to 10V)

Install Bay IBVSTABL

12V 2A DC-DC Voltage Converter Stabilizer

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

12V 2A DC-DC Voltage Converter Stabilizer

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

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
-11% $50.99

In stock

• Voltage converter stabilizer
• Input voltage: DC 8 volts - 40 volts
• Output voltage: DC 12 volts
• Maximum output current: 2 amps

NVX VADM1 v2 (VADM1v2)

600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

VADM1 big
Go to item page Right Arrow Icon of Right Arrow

600W RMS Class D V-Series Micro Monoblock Car/Marine/Powersports Amplifier with Bass Remote

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

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

VIP Product Get $19.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

54
List price $239.99
-21% $189.99

In stock

Continue to cart

Available Offers (2) for NVX VADM1 v2 (VADM1v2)
Save 30% off an NVX XKIT82 Amp Kit at Checkout! Add a qualifying amplifier to your cart and save 30% on the NVX XKIT82 Amp Kit! No code needed — discount applies automatically at checkout.
Purchase $400 or More of NVX and Save 15%!
2026-07-27 11:08:20

4 Pack of 100 Amp Nickel-Plated MANL Fuse (Belva BMANL100)

Four fuses per order. High quality 100 Amp MANL Fuses

BMANL100 big
Go to item page Right Arrow Icon of Right Arrow

Four fuses per order. High quality 100 Amp MANL Fuses

• 100A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• 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

18
List price $8.99
-56% $3.99

In stock

• 100A MANL Fuse (4 Pack)
• Nickel Plated for Better Power Transfer
• Resealable Polybag
• Heavy Duty Construction

Limited time!

Alpine R2-W10D2

2250W Peak (750W RMS) 10" R2-Series Dual 2-ohm Car Subwoofer

R2-W10D2 big
Go to item page Right Arrow Icon of Right Arrow

2250W Peak (750W RMS) 10" R2-Series Dual 2-ohm Car Subwoofer

• Peak Power: 2250 watts
• RMS Power: 750 watts
• Impedance: Dual 2 ohm
• Kevlar Reinforced Pulp Paper Cone
• High-Amplitude Multi-Roll (HAMR) Surround
• Mount depth: 5.92"
• Sensitivity: 82.3 dB

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

VIP Product Get $32.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

3
List price $480.00
Save $160.05
-33% $319.95

In stock

Only 3 Left!

Viper D9858V

2-Way 5-Button Remote Start and Car Alarm LED Transmitters

D9858V big
Go to item page Right Arrow Icon of Right Arrow

2-Way 5-Button Remote Start and Car Alarm LED Transmitters

• 2-Way 5-Button Remote Start and Car Alarm LED Transmitters
• Includes (1) 2-way LED transmitter and (1) 1-way transmitter
• 1 mile range
• Compatible with Viper DS4 and DS4P security systems

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

VIP Product Get $21.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

List price $249.99
-16% $209.99

In stock

Only 1 Left!

• 2-Way 5-Button Remote Start and Car Alarm LED Transmitters
• Includes (1) 2-way LED transmitter and (1) 1-way transmitter
• 1 mile range
• Compatible with Viper DS4 and DS4P security systems

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 2002 A8 Quattro

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2002 Audi A8 Quattro?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A8 Quattro.

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

    2008 Toyota Sienna

    2002 Audi A8 Quattro

    1998 Chevrolet Express 1500

    1988 Porsche 944 S2

    1988 Jeep J10

    1961 Chevrolet Nomad

    1982 Fiat Spider 2000

    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.