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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.

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Energie PR4800

12V 110Ah Absorbent Glass Mat (AGM) Car Battery

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12V 110Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

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List price $514.77
-20% $411.81

In stock

Used from: $288.27

• 12-volt Absorbent Glass Mat Car Audio Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 4800W car audio stereo systems
• Left positive terminal

JL Audio XB-MGLU

Premium Series Bolt-on Master Ground Lug

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Premium Series Bolt-on Master Ground Lug

• Master Ground Lug accepts multiple ground wires
• Stainless Steel lug with plated brass contact
• Aggressive star washers provide secure connection

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$14.99

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• Master Ground Lug accepts multiple ground wires
• Stainless Steel lug with plated brass contact
• Aggressive star washers provide secure connection

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XS Power XP950

950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

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950W 35 Ah Absorbent Glass Mat (AGM) Secondary Battery

• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

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List price $209.99
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-39% $127.99

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• 12-volt Absorbent Glass Mat (AGM) Secondary Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 950W car audio stereo systems
• Compatible with most vehicle applications

XS Power D6500

3000W 174 Ah Absorbent Glass Mat (AGM) Car Battery

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3000W 174 Ah Absorbent Glass Mat (AGM) Car Battery

• 12-volt Absorbent Glass Mat (AGM) Car Battery
• Sealed Absorbent Glass Mat (AGM) design
• Perfect for 3000W audio stereo systems
• Compatible with many Domestic and Japanese vehicles

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19
List price $489.99
-18% $399.99

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Rockford Fosgate RFFM80

80 Amp Maxi Fuse

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80 Amp Maxi Fuse

• Maxi Fuse
• Power Rating: 80 Amps
• Platinum-Plated Contacts
• Ultimate Circuit Protection
• High Conductivity Plating
• Maximum Current Transfer
• Designed to Fit Maxi Fuse Holders

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$9.99

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Ships in 10-14 days

• Maxi Fuse
• Power Rating: 80 Amps
• Platinum-Plated Contacts
• Ultimate Circuit Protection
• High Conductivity Plating
• Maximum Current Transfer
• Designed to Fit Maxi Fuse Holders

JL Audio PS-SWMCP-2.500

Enclosed Speaker System Swivel Mount - 2.500"

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Enclosed Speaker System Swivel Mount - 2.500"

• Low-Profile Machined Fixtures
• Mounts VeX Pods to Roll Cage
• Pipe diameter fitment: 2.500"
• Color: Black

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$179.99

In stock

Only 2 Left!

• Low-Profile Machined Fixtures
• Mounts VeX Pods to Roll Cage
• Pipe diameter fitment: 2.500"
• Color: Black

DS18 PRO-GRILL6MS/BK

Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

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Universal Shallow Mesh Grille for Most 6.5" Speakers (Black)

• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

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List price $17.99
-17% $14.95

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• 6.5" universal shallow mesh speaker grill
• Fits speakers and midranges
• Bolt-on easy installation
• Slim and shallow design
• Painted in matte black
• Sold individually/per piece

JL Audio FiX-86

6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

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6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

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$529.99

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• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

Stinger SPT5503

PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

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PRO Series Classic Banana Plug Dual Terminal w/ Shoc-Krome Plating and Black Plastic Clip (1/pack)

• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

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List price $19.00
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• Accepts Up To 8 Gauge
• Dual Red Molded Design
• Compression Style Connection
• Expandable Quick Connection
• Shoc-Krome Plating

Limited time!

NVX XCW121RC

Recone Kit for XCW121 Subwoofers

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Recone Kit for XCW121 Subwoofers

• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 1-ohm
• CA glue adhesive is NOT included

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List price $179.99
-17% $149.99

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• Kits are assembled to ensure perfect fitment and alignment
• Each kit includes all new soft moving parts
• Impedance: Dual 1-ohm
• CA glue adhesive is NOT included

NVX NDA15001

3000W Peak (1500W RMS) Class D N-Series Monoblock Car Amplifier with Bass Remote

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3000W Peak (1500W RMS) Class D N-Series Monoblock Car Amplifier with Bass Remote

• 670 watts x 1 channel @ 4 ohm
• 1100 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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Available Offers (2) for NVX NDA15001
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.
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2026-07-27 11:08:20

Stinger SSCB200

Stinger Select 200 Amp Circuit Breaker

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Stinger Select 200 Amp Circuit Breaker

• High Current Transfer
• Stinger Select 200 Amp Circuit Breaker
• Manual Trip Reset
• High Current Protection

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• High Current Transfer
• Stinger Select 200 Amp Circuit Breaker
• Manual Trip Reset
• High Current Protection

Limited time!

NVX XW0GR10

10 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Gray)

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10 ft 1/0-Gauge EnvyFlex True Spec Oxygen-Free Copper Power and Ground Wire (Gray)

• 10 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Gray

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List price $89.99
-33% $59.99

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• 10 feet 1/0 gauge Power and Ground Wire
• Silver-tinned OFC (100% Oxygen-Free Copper) material
• Color: Gray

Wet Sounds ST-ADP-SLIDER BRACKET

Slider Mounting Bracket for Stealth HD and XT Soundbars

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Slider Mounting Bracket for Stealth HD and XT Soundbars

• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

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$54.99

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• Slider mounting bracket for Stealth HD and XT soundbars
• CNC'd from billet aluminum for extra durability
• Allows adjusting of soundbar mounting width
• Includes brackets, bolts, lock-washers, and flat-washers (2 each)

T-Spec V8-3DDC

Digital Capacitor 3.0 Farad Distribution Top

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Digital Capacitor 3.0 Farad Distribution Top

• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

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List price $176.99
-10% $158.99

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Only 3 Left!

• 3.0 Farad Digital Capacitor
• Voltage Meter
• Impact Resistant Polycarbonate Cover
• Simple Mounting System

JL Audio 12TW3-D4

400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

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400W RMS 12" TW3 Series Dual 4-ohm Shallow Subwoofer

• RMS Power: 400 watts
• Impedance: Dual 4 ohm
• Mica Injected Polypropylene - MIPP Cone
• Rubber Surround
• Mount depth: 3.5"
• Sensitivity: 84.11 dB

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$569.99

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Used from: $484.49

Metra 89-50-0900

Universal Trim Rings

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Universal Trim Rings

• Universal Double-DIN trim rings
• For Double-DIN radio installations

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List price $27.99
-54% $12.99

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• Universal Double-DIN trim rings
• For Double-DIN radio installations

Escort MAX 360 MKII

Radar and Laser Detector with Android Auto and Apple CarPlay Support

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Radar and Laser Detector with Android Auto and Apple CarPlay Support

• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

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$549.95

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• Multi-Band Radar and Laser Detection
• Graphic Color OLED display with current speed, vehicle voltage, and alert area monitors
• User, pilot, arrow and meter modes
• Directional arrows provide true 360-degree awareness
• Installs on the windshield

Belva BRT438

4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

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4 Gauge Ring Terminals, 3/8" Opening with Nickel Plated Brass - 5 Pieces (3 Red & 2 Black)

• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

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List price $9.99
-70% $2.99

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• Ring Terminals
• 3/8" Opening
• 4 Gauge
• 3 Red & 2 Black
• Nickel Plated
• Resealable Polybag

JL Audio TwK-88

8-Channel Digital Signal Processor with Digital Remote Controller

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8-Channel Digital Signal Processor with Digital Remote Controller

• 8-Channel digital signal processo
• 80 total bands of equalization
• TüN software offers quick input/output setup
• 8 RCA inputs or 1 optical input
• Includes DRC-200 digital remote control

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$579.99

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• 8-Channel digital signal processo
• 80 total bands of equalization
• TüN software offers quick input/output setup
• 8 RCA inputs or 1 optical input
• Includes DRC-200 digital remote control

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    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.

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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

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