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1998 Audi A4 Quattro


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R165X3 main

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

145

$79.99

List price $79.99

R1525X2 main

Rockford Fosgate Prime R1525X2

160W Peak (80W RMS) 5.25" PRIME Series 2-way 4-ohm Coaxial Car Speakers

16

$79.99

List price $79.99

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NVX VSP525KIT

750W Peak (250W RMS) 5.25" V-Series 2-Way Component Speaker System with 25mm Silk Dome Tweeters

27

$99.99

List price $119.99

Shop all 1998 Audi A4 Quattro Car Audio, Speakers, & Electronics

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Metra 86-9001

1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

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1998-2006 Volkswagen/Audi/Mercedes Radio Removal Tool

• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

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• Radio removal tool for select 1998-2006 Volkswagen, Audi, and Mercedes vehicles

Crux BTS-VW1

Bluetooth Audio Streaming USB Connectivity and Line Input Interface for select 1998-2010 vehicles from Audi, Volkswagen

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Bluetooth Audio Streaming USB Connectivity and Line Input Interface for select 1998-2010 vehicles from Audi, Volkswagen

• Bluetooth audio streaming interface for select 1998-2010 vehicles from Audi, Volkswagen
• Adds Bluetooth music, USB music player, and AUX input
• Supports navigation app voice prompts
• USB port supports phone charging
• Magnetic phone mount included

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Was $161.95 Details
$99.95

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• Bluetooth audio streaming interface for select 1998-2010 vehicles from Audi, Volkswagen
• Adds Bluetooth music, USB music player, and AUX input
• Supports navigation app voice prompts
• USB port supports phone charging
• Magnetic phone mount included

Lowest price in 30 days

Metra 44-PW530 Antenna

Universal Fully Automatic Power Antenna

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Universal Fully Automatic Power Antenna

• Replacement Power Antenna for Select Vehicles
• Replaceable Mast
• Fully Automatic

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$85.99

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• Replacement Power Antenna for Select Vehicles
• Replaceable Mast
• Fully Automatic

GROM Audio AUDA1

Auxillary Cable Input Car Stereo Kit with 3.5mm Cable for select 1998-2008 vehicles from Audi

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Auxillary Cable Input Car Stereo Kit with 3.5mm Cable for select 1998-2008 vehicles from Audi

• Auxillary Cable Input Car Stereo Kit for select 1998-2008 vehicles from Audi
• Easy connection between the car stereo and MP3/smartphone/iPod
• Includes a 5 ft. 3.5mm audio phone jack cable

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$96.99

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• Auxillary Cable Input Car Stereo Kit for select 1998-2008 vehicles from Audi
• Easy connection between the car stereo and MP3/smartphone/iPod
• Includes a 5 ft. 3.5mm audio phone jack cable

Lowest price in 30 days

Metra 40-VW10 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen

• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

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• Factory Antenna to Aftermarket Radio Adapter
• Compatible with select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Factory antenna with flat plug to aftermarket radio
• A capacitor is included to match the impedance

GROM Audio AUDB3 Audi Bluetooth Streaming Kit (GROM-BT3-AUD)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2009 Audi Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2009 Audi Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2009 Audi Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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$179.99

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• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2009 Audi Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

Lowest price in 30 days

Metra 82-9101

6" to 6 3/4" Speaker Adapter for select 1998-2016 vehicles from Audi

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6" to 6 3/4" Speaker Adapter for select 1998-2016 vehicles from Audi

• Adapters for 6" - 6-3/4" Speakers
• Fits Select 2000-2010 Audi A3 and A4 Vehicles
• Break-Away Tab Design
• Fits Front or Rear Doors

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$13.99

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• Adapters for 6" - 6-3/4" Speakers
• Fits Select 2000-2010 Audi A3 and A4 Vehicles
• Break-Away Tab Design
• Fits Front or Rear Doors

Metra 70-1784 Wiring Harness

Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

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Install a new car stereo in select 1980-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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$12.99

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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

GROM Audio AUDU3 (GROM-USB3-AUD)

Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

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Android and iOS Smartphone Integration for Select 1998-2009 Audi Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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$174.99

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Scosche SAAI652

select 1996-2006 vehicles from Audi Multi 6.5" Speaker Adapter - Rear

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select 1996-2006 vehicles from Audi Multi 6.5" Speaker Adapter - Rear

• 6.5" Speaker Adapter - Rear
• Compatible with select 1996-2006 vehicles from Audi Vehicles

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  • Rear Deck Corner 5.25" Full-Range
  • Rear Door 5.25" Full-Range
1
Was $15.95 Details
$9.99

In stock

• 6.5" Speaker Adapter - Rear
• Compatible with select 1996-2006 vehicles from Audi Vehicles

Scosche SAAI651

select 1996-2008 vehicles from Audi Multi 6.5" Speaker Adapter

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select 1996-2008 vehicles from Audi Multi 6.5" Speaker Adapter

• 6.5" Multi Speaker Adapter
• Compatible with select 1996-2008 vehicles from Audi Vehicles

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Was $14.95 Details
$10.95

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• 6.5" Multi Speaker Adapter
• Compatible with select 1996-2008 vehicles from Audi Vehicles

Lowest price in 30 days

Metra 72-9002

Speaker Harness for select 1996-2025 vehicles from Mercedes-Benz, Audi, Chevrolet

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Speaker Harness for select 1996-2025 vehicles from Mercedes-Benz, Audi, Chevrolet

• Compatible with select 1996-2025 vehicles from Mercedes-Benz, Audi, Chevrolet Vehicles
• For European Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials

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$10.99

In stock

• Compatible with select 1996-2025 vehicles from Mercedes-Benz, Audi, Chevrolet Vehicles
• For European Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials

GROM Audio Audi Smartphone Music Streaming Kit (GROM-USB3-AUD BTD)

Control Your Streaming Music from an Android or iOS Smartphone on Select 1998-2009 Audi Factory Radios

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Control Your Streaming Music from an Android or iOS Smartphone on Select 1998-2009 Audi Factory Radios

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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$238.99

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• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2009 Audi Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

Scosche VW01B Wiring Harness

Install a new car stereo in select 1975-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

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Install a new car stereo in select 1975-2017 vehicles from Volkswagen, Audi, Mercedes-Benz

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Lowest price in 30 days

Metra 70-1787 Wiring Harness

Install a new car stereo and retain factory amplifier in select 1996-2006 vehicles from Audi, Porsche

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Install a new car stereo and retain factory amplifier in select 1996-2006 vehicles from Audi, Porsche

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 82-9102

6" - 6-3/4" Speaker Adapter Brackets for 1996-2001 Audi A4, A4 Quattro, Rear Door

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6" - 6-3/4" Speaker Adapter Brackets for 1996-2001 Audi A4, A4 Quattro, Rear Door

• Fits Select 1996-2001 Audi A3 and A4 Vehicles
• Fits 6" - 6.75" Speakers
• High-Grade ABS Plastic
• Breakaway Tabs for Greater Installation Flexibility
• Installs in Rear Doors
• Sold in Pairs

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Fitment warning: The manufacturer states these adapters fit speaker locations in your vehicle; however, we have yet to verify your vehicle speaker specifications and therefore cannot confirm if or where these adapters will fit.
Was $29.99 Details
$26.99

In stock

Only 2 Left!

• Fits Select 1996-2001 Audi A3 and A4 Vehicles
• Fits 6" - 6.75" Speakers
• High-Grade ABS Plastic
• Breakaway Tabs for Greater Installation Flexibility
• Installs in Rear Doors
• Sold in Pairs

Lowest price in 30 days

Metra 40-VW53 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

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$12.99

In stock

• Aftermarket Radio To Factory Antenna Adapter (Amplified)
• Compatible with select 1973-2025 vehicles from Mercedes-Benz, Audi, Volkswagen Vehicles
• Includes Power Wire For Antenna Booster
• Can Be Used In Place Of 40-VW54

Lowest price in 30 days

Metra 40-VW54 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

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Connect your factory antenna to a new aftermarket radio for select 1973-2017 vehicles from BMW, Audi, Volkswagen

• Volkswagen Aftermarket Antenna Adapter
• Compatible with select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles
• Coax cable powered amplified antenna

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Was $29.99 Details
$9.99

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• Volkswagen Aftermarket Antenna Adapter
• Compatible with select 1973-2017 vehicles from BMW, Audi, Volkswagen Vehicles
• Coax cable powered amplified antenna

Metra 72-9003

Speaker Harness for select 1996-2010 vehicles from Audi

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Speaker Harness for select 1996-2010 vehicles from Audi

• Universal Speaker Harness
• Compatible with select 1996-2010 vehicles from Audi Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials \

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• Universal Speaker Harness
• Compatible with select 1996-2010 vehicles from Audi Vehicles
• Plugs Directly into Vehicles Harness
• Durable Plastic and Metal Materials \

Metra 99-9100 Dash Kit

Install a new Single-DIN car stereo in select 1996-2006 vehicles from Audi (Black)

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Install a new Single-DIN car stereo in select 1996-2006 vehicles from Audi (Black)

• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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• Single-DIN Dash Kit
• Painted scratch-resistant black
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Includes installation instructions

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    FAQ for your 1998 A4 Quattro

    Q: Can I upgrade the factory stereo system in my 1998 Audi A4 Quattro?

    A: Yes you can improve your sound in your A4 Quattro by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 1998 A4 Quattro if there is a dash kit and harness solution available.

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    1998 Audi A4 Quattro

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