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2000 Audi A4

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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.

Overview Upgrade your Stereo Upgrade your Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 2000 Audi A4

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.

Better sound with your factory radio

Better sound with a factory radio

Love your factory look or can't replace the stereo? We got you covered.

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Install Bay IBR90

USB and HDMI Knockout Panel

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Install Bay IBR90

USB and HDMI Knockout Panel

• Knockout Panel for USB and HDMI
• Installs Indo Dash
• Cable: 4.5 Feet

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List price $65.99
-11% $58.99

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• Knockout Panel for USB and HDMI
• Installs Indo Dash
• Cable: 4.5 Feet

Install Bay L-IBVSTABL

12V 10A DC-DC Voltage Converter Stabilizer

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Install Bay L-IBVSTABL

12V 10A DC-DC Voltage Converter Stabilizer

• Voltage converter stabilizer
• Input voltage: DC 9 volts - 36 volts
• Output voltage: DC 12 volts
• Maximum output current: 10 amps

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• Voltage converter stabilizer
• Input voltage: DC 9 volts - 36 volts
• Output voltage: DC 12 volts
• Maximum output current: 10 amps

Install Bay IBATCKIT

ATC Fuse Kit - 150 assorted ATC fuses, fuse puller, and brass fuse taps

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Install Bay IBATCKIT

ATC Fuse Kit - 150 assorted ATC fuses, fuse puller, and brass fuse taps

• ATC Fuse Kit
• 150 Assorted ATC fuses
• 1 Fuse puller
• 20 Brass fuse taps

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• ATC Fuse Kit
• 150 Assorted ATC fuses
• 1 Fuse puller
• 20 Brass fuse taps

Install Bay IBR65

Bluetooth Audio Receiver Flush Mount

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Install Bay IBR65

Bluetooth Audio Receiver Flush Mount

• Bluetooth Audio Receiver Mount
• 3.5mm auxiliary input
• Independent volume and track controls

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• Bluetooth Audio Receiver Mount
• 3.5mm auxiliary input
• Independent volume and track controls

Install Bay ERS-126

3 Wire Relay Socket With Diode

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Install Bay ERS-126

3 Wire Relay Socket With Diode

• 3 Wire Relay Socket
• Includes Diode

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• 3 Wire Relay Socket
• Includes Diode

The Install Bay IB80

80 Amp Battery Isolator and Relay

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The Install Bay IB80

80 Amp Battery Isolator and Relay

• Battery Isolator and Relay
• 80 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

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• Battery Isolator and Relay
• 80 Amp
• Prevents Primary Battery Discharge
• Maximizes the Current Transfer
• Extends Battery Life
• Universal 12V Applications

Install Bay FLX14BLK

1/4" Expandable Sleeving, Black - 200 Feet

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Install Bay FLX14BLK

1/4" Expandable Sleeving, Black - 200 Feet

• 1/4" split-braid sleeving
• Protects wires, cables, hoses and more
• Great for automotive, marine or office applications
• 200 feet of tubing included
• Resists cuts and other abrasions

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• 1/4" split-braid sleeving
• Protects wires, cables, hoses and more
• Great for automotive, marine or office applications
• 200 feet of tubing included
• Resists cuts and other abrasions

Install Bay ATMFP

In-line fuse holder, with jumpers you can create any distribution block

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Install Bay ATMFP

In-line fuse holder, with jumpers you can create any distribution block

• Ideal for marine use
• Acts as an in-line fuse holder with jumpers to create any distribution block
• Fused distribution or power/ground as you need
• Maximum amperage – 40 amps per circuit
• Maximum voltage – 32 volts DC

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• Ideal for marine use
• Acts as an in-line fuse holder with jumpers to create any distribution block
• Fused distribution or power/ground as you need
• Maximum amperage – 40 amps per circuit
• Maximum voltage – 32 volts DC

Install Bay IBLOC04

60W 4-Channel Adjustable Line Output Converter

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Install Bay IBLOC04

60W 4-Channel Adjustable Line Output Converter

• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

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• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops

Install Bay RCAMRA-10 - Right Angle RCA Connectors

RCA Barrel Connector Mini Right Angle - 10-Pack

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Install Bay RCAMRA-10 - Right Angle RCA Connectors

RCA Barrel Connector Mini Right Angle - 10-Pack

• Male to Female RCA Right-Angle Adapters
• Package of 10 (5 Red - 5 Black)

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• Male to Female RCA Right-Angle Adapters
• Package of 10 (5 Red - 5 Black)

Install Bay EL-CB100MR

100 AMP Circuit Breaker with Manual Reset and Red LED Indicator

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Install Bay EL-CB100MR

100 AMP Circuit Breaker with Manual Reset and Red LED Indicator

• Red LED lights when tripped
• Flush mount with push-to-trip button, 42 Vdc
• Waterproof, sealed housing

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• Red LED lights when tripped
• Flush mount with push-to-trip button, 42 Vdc
• Waterproof, sealed housing

Install Bay IBR62

12 Gauge Pre-Wired Waterproof ATC Fuse Holder

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Install Bay IBR62

12 Gauge Pre-Wired Waterproof ATC Fuse Holder

• Pre-wired ATC Fuse Holder
• Waterproof design
• 12 Gauge wire

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List price $19.99
-10% $17.99

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• Pre-wired ATC Fuse Holder
• Waterproof design
• 12 Gauge wire

Install Bay E-CB200MR

Waterproof 200A Circuit Breaker

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Install Bay E-CB200MR

Waterproof 200A Circuit Breaker

• IP67 Waterproof Rating
• 200A Rating
• Ignition Protected
• Manual Reset

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• IP67 Waterproof Rating
• 200A Rating
• Ignition Protected
• Manual Reset

Install Bay 3MHS34

3M 10 Pack 3/4" Diameter Heat Shrink Tubing

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Install Bay 3MHS34

3M 10 Pack 3/4" Diameter Heat Shrink Tubing

• 3/4 inch
• refill package
• heat shrink < /br>

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$17.99

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• 3/4 inch
• refill package
• heat shrink < /br>

Install Bay Manual Window Crank Retainer Clips (IBWC)

Manual Window Crank Retainer Clips - 10 pack

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Install Bay Manual Window Crank Retainer Clips (IBWC)

Manual Window Crank Retainer Clips - 10 pack

• Manual Window Crank Retainer Clips
• Pack of 10

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List price $4.99
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• Manual Window Crank Retainer Clips
• Pack of 10

Install Bay IBRRLULD

Round Rocker Latch Switch - Pack of 5

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Install Bay IBRRLULD

Round Rocker Latch Switch - Pack of 5

• Round Rocker Latch
• Pack of 5
• Up and Down Positions

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• Round Rocker Latch
• Pack of 5
• Up and Down Positions

Install Bay FMX-40

40 Amp USA Cooper Bussman FMX Fuse

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Install Bay FMX-40

40 Amp USA Cooper Bussman FMX Fuse

• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 40 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

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List price $9.99
-10% $8.99
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• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 40 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

Install Bay FMX-60

60 Amp USA Cooper Bussman FMX Fuse

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Install Bay FMX-60

60 Amp USA Cooper Bussman FMX Fuse

• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 60 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

Universal Icon Universal – fits most vehicles.

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List price $9.99
-10% $8.99
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• USA Cooper Bussman FMX Fuse
• Universal application
• Fuse Size: 60 amp
• See-Through Windows
• High-Temperature Plastic Casings
• Circuit Protection
• High Conductivity

Install Bay 5-Way Trailer Plugs (IBTH5P)

5-Way All-Copper Flat Trailer Wiring Plugs - Pack of 5

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Install Bay 5-Way Trailer Plugs (IBTH5P)

5-Way All-Copper Flat Trailer Wiring Plugs - Pack of 5

• 5-Way Trailer Wiring Plugs
• Allows the hookup of three basic lighting functions
• Extra pin available to support another function
• 18-gauge color-coded wire
• Sold in packs of 5

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List price $25.48
-33% $16.99

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• 5-Way Trailer Wiring Plugs
• Allows the hookup of three basic lighting functions
• Extra pin available to support another function
• 18-gauge color-coded wire
• Sold in packs of 5

Install Bay F6N050BK

1/2" Self-Wrapping Split Braid Sleeving, Black - 75FT

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Install Bay F6N050BK

1/2" Self-Wrapping Split Braid Sleeving, Black - 75FT

• 1/2" split-braid sleeving
• Protects wires, cables, hoses and more
• Protects against salt water, solvents, automotive chemicals and more
• More flexible than plastic
• Resists cuts and other abrasions

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

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1
List price $152.99
-10% $136.99

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Ships in 10-14 days

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• 1/2" split-braid sleeving
• Protects wires, cables, hoses and more
• Protects against salt water, solvents, automotive chemicals and more
• More flexible than plastic
• Resists cuts and other abrasions

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    FAQ for Universal-Fit Audio & Electronics in 2000 A4

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2000 Audi A4?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A4.

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

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