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1998 Audi A4

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 1998 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.

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JVC KS-DR2104DBT with NVX 8 Gauge Amp Kit

600W Peak (200W RMS) DRVN Series Class-D 4-Channel Amplifier with Bluetooth Remote

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600W Peak (200W RMS) DRVN Series Class-D 4-Channel Amplifier with Bluetooth Remote

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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40
List price $546.79
-27% $399.00

In stock

• 50 watts x 4 channel @ 4 ohm
• 75 watts x 4 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm
• Total RMS Power: 300 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

JVC KS-DR2001D with NVX 8 Gauge Amp Kit

300W RMS KS Series Class-D Marine/Powersports Monoblock Amplifier

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300W RMS KS Series Class-D Marine/Powersports Monoblock Amplifier

• 200 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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60
List price $454.99
-12% $398.99

In stock

• 200 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 300 watts
• CEA-2006 Compliant
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Rockford Fosgate M5-1000X1with NVX 8 Gauge Amp Kit

750W RMS M5-Series Class-BD Monoblock Marine Amplifier

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750W RMS M5-Series Class-BD Monoblock Marine Amplifier

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm (Dynamic Power)
• Total RMS Power: 750 watts
• Class BD 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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60
List price $785.98
-5% $749.98

In stock

• 500 watts x 1 channel @ 4 ohm
• 750 watts x 1 channel @ 2 ohm
• 1000 watts x 1 channel @ 1 ohm (Dynamic Power)
• Total RMS Power: 750 watts
• Class BD 1 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Cerwin Vega S9750.1D with Amplifier Wiring Kit

Stroker Series 750W RMS Monoblock Amplifier + NVX XKIT42 4 Gauge Amp Wiring Kit

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Stroker Series 750W RMS Monoblock Amplifier + NVX XKIT42 4 Gauge Amp Wiring Kit

• 2/1 ohm: 750 watts x 1 chan.
• Class-D Monoblock 2-Ohm Amplifier
• Handles Hi and Low Level Input Up to 12V
• Fully Variable 35Hz - 350Hz 12dB Per Octave Crossovers
• Frequency Response: 10Hz ~ 350Hz (-3dB)

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124
List price $611.98
-27% $444.98

In stock.

• 2/1 ohm: 750 watts x 1 chan.
• Class-D Monoblock 2-Ohm Amplifier
• Handles Hi and Low Level Input Up to 12V
• Fully Variable 35Hz - 350Hz 12dB Per Octave Crossovers
• Frequency Response: 10Hz ~ 350Hz (-3dB)

Diamond Audio DMD600.4D with NVX 8 Gauge Amp Kit

600W RMS DMD Series Class-D 4-Channel Amplifier

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600W RMS DMD Series Class-D 4-Channel Amplifier

• 150 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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39
List price $507.98
-11% $449.98

In stock.

• 150 watts x 4 channel @ 4 ohm
• 100 watts x 4 channel @ 2 ohm
• Bridged: 320 watts x 2 channel @ 4 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable 4-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Alpine HDA-M80 with NVX 4 Gauge Amp Kit

800W RMS Status Series Class-D Monoblock Car Amplifier

HDA-M80, XKIT42 big
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800W RMS Status Series Class-D Monoblock Car Amplifier

• Peak RMS Power: Up to 800W
• Total RMS Power: 400 watts
• Quick-connect speaker and power connectors
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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125
List price $1223.99
-20% $976.94

Available

Ships in 10-14 days

• Peak RMS Power: Up to 800W
• Total RMS Power: 400 watts
• Quick-connect speaker and power connectors
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Limited time!

NVX VADM2 Amplifier with Amplifier Wiring Kit

440W RMS Full Range Class D 2-Channel Car/Marine/Powersports Amplifier

VADM2, BKA82 big
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440W RMS Full Range Class D 2-Channel Car/Marine/Powersports Amplifier

• 440 Watt True RMS Output!
• Marine Certified 2-Channel Micro Class D Amplifier
• 150W x 2-Chan. @ 4 ohm
• 220W x 2-Chan. @ 2 ohm
• 440W x 1-Chan. @ 4 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

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77
List price $335.98
-30% $236.77

In stock

• 440 Watt True RMS Output!
• Marine Certified 2-Channel Micro Class D Amplifier
• 150W x 2-Chan. @ 4 ohm
• 220W x 2-Chan. @ 2 ohm
• 440W x 1-Chan. @ 4 ohm
• 3-Way System Protection
• 8 Gauge Power and Ground Inputs
• Extremely Small Footprint

MTX TN8005 (TN800.5) with NVX 4 Gauge Amp Kit

800W RMS Class D Terminator Series 5-Channel Full Range Amplifier with Remote Bass Control

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800W RMS Class D Terminator Series 5-Channel Full Range Amplifier with Remote Bass Control

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

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45
List price $679.94
-19% $549.95

In stock

Only 1 Left!

• 50 watts x 4 channel + 300 watts x 1 channel @ 4 ohm
• 75 watts x 4 channel + 500 watts x 1 channel @ 2 ohm
• Bridged: 150 watts x 2 channel @ 4 ohm + 500 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel-Channel Amplifier
• Includes Amplifier Wiring Kit

Diamond Audio DMD1000.1D with NVX 4 Gauge Amp Kit

1000W RMS DMD Series Class-D Monoblock Amplifier

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1000W RMS DMD Series Class-D Monoblock Amplifier

• 680 Watts x 1 @ 4 ohm
• 1000 Watts x 1 @ 2 ohm
• N/A @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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124
List price $593.98
-8% $546.98

In stock

• 680 Watts x 1 @ 4 ohm
• 1000 Watts x 1 @ 2 ohm
• N/A @ 1 ohm
• Total RMS Power: 1000 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Kicker CXA660.5 (46CXA6605T) with NVX 4 Gauge Amp Kit

660W RMS CX-Series Class-AB 5-Channel Amplifier

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660W RMS CX-Series Class-AB 5-Channel Amplifier

• 65 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class A/B 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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45
List price $659.98
-17% $547.48

In stock

Only 1 Left!

• 65 watts x 4 channel + 150 watts x 1 channel @ 4 ohm
• 90 watts x 4 channel + 300 watts x 1 channel @ 2 ohm
• Bridged: 180 watts x 2 channel @ 4 ohm + 300 watts x 1 channel @ 2 ohm
• Total RMS Power: 660 watts
• Class A/B 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Rockford Fosgate Punch P500X1BD + Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

500W RMS Punch Series Monoblock Class BD Car Power Amplifier

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500W RMS Punch Series Monoblock Class BD Car Power Amplifier

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

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71
List price $649.98
-6% $609.98

In stock

Only 2 Left!

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H
• Includes Rockford Fosgate RFK4I 4 Gauge 2-Ch Amp Kit

Rockford Fosgate Power T400-4 + NVX XKIT44 4 Gauge Amp Wiring Kit

400W Power Series Compact 4-Channel Class AB Car Amplifier

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400W Power Series Compact 4-Channel Class AB Car Amplifier

• 60W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 chan. @ 4 ohm
• 400W x 1 chan. Max
• MOSFET Power Supply
• High-pass and low-pass crossover
• Audiophile grade speaker connections
• Includes NVX XKIT44 4 Gauge Amp Wiring Kit

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111
List price $595.98
-21% $469.99

In stock

• 60W x 4-Chan. @ 4 ohm
• 100W x 4-Chan. @ 2 ohm
• 200W x 2 chan. @ 4 ohm
• 400W x 1 chan. Max
• MOSFET Power Supply
• High-pass and low-pass crossover
• Audiophile grade speaker connections
• Includes NVX XKIT44 4 Gauge Amp Wiring Kit

Lowest price in 30 days

Rockford Fosgate Punch P500X1BD with Amplifier Wiring Kit

500W RMS Punch Series Monoblock Class BD Car Power Amplifier + NVX 4 Gauge Wiring Kit

P500X1BD, XKIT42 big
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500W RMS Punch Series Monoblock Class BD Car Power Amplifier + NVX 4 Gauge Wiring Kit

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H

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138
List price $573.98
-22% $444.98

In stock

Only 2 Left!

• RMS: 150W x 1 @ 4 ohm, 300W x 1 @ 2 ohm, 500W x 1 @ 1 ohm
• Total RMS Power: 500W
• CEA-2006 Compliant
• Tuned Bass EQ: 0 to +18 dB
• Super Efficient Class BD Circuitry
• Dimensions: 11"L x 7-3/4"W x 2-3/8"H

Lowest price in 30 days

Rockford Fosgate P500X2 with Amplifier Wiring Kit

500W RMS 2-Channel Amplifier (P500X.2) with NVX 8 Gauge Amplifier Wiring Kit

P500X2, XKIT82 big
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500W RMS 2-Channel Amplifier (P500X.2) with NVX 8 Gauge Amplifier Wiring Kit

• 150W x 2 Chan. @ 4 ohm
• 250W x 2 Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

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62
List price $525.98
-18% $429.98

In stock

Only 3 Left!

• 150W x 2 Chan. @ 4 ohm
• 250W x 2 Chan. @ 2 ohm
• Built In NOMAD "Real Time" Analog Computer
• 2/1 Channel Operation
• 4 Gauge Power and Ground Inputs
• MESHA3 Reduces MOSFET Temperatures for Improved Durability

Diamond Audio MICRO81U with NVX 8 Gauge Amp Kit

600W RMS Full Range Class-D Monoblock Digital Amplifier

MICRO81U_XKIT82 big
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600W RMS Full Range Class-D Monoblock Digital Amplifier

• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

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60
List price $665.98
-25% $499.99

In stock

Only 2 Left!

• 175 watts x 1 channel @ 4 ohm
• 300 watts x 1 channel @ 2 ohm
• 600 watts x 1 channel @ 1 ohm
• Total RMS Power: 600 watts
• Class D 2 ohm Stable Monoblock Amplifier
• Includes Amplifier Wiring Kit

Pioneer GM-DX975 with NVX 4 Gauge Amp Kit

2000W Peak (800W RMS) GM Series Class-D 5-Channel Amplifier with Remote Bass Knob

GMDX975_XKIT46 big
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2000W Peak (800W RMS) GM Series Class-D 5-Channel Amplifier with Remote Bass Knob

• 75 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

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47
List price $829.99
-22% $647.48

In stock

Only 1 Left!

• 75 watts x 4 channel + 350 watts x 1 channel @ 4 ohm
• 100 watts x 4 channel + 600 watts x 1 channel @ 2 ohm
• Bridged: 200 watts x 2 channel @ 4 ohm + 600 watts x 1 channel @ 2 ohm
• Total RMS Power: 800 watts
• Class D 2 ohm Stable 5-Channel Amplifier
• Includes Amplifier Wiring Kit

Cerwin Vega B54 with Belva 4 Gauge Amp Kit

1200W 4-Channel Bomber Series Class D Amplifier with 4 Gauge Amp Kit

B54, BAK44 big
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1200W 4-Channel Bomber Series Class D Amplifier with 4 Gauge Amp Kit

• RMS: 80 Watts x 4 @ 4 ohm, 150 Watts x 4 @ 2 ohm, Bridged: 300 Watts x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Class D IR Chipset with DirectFET Power Mosfet Output
• Wired remote bass level control included
• Ultra Compact High Density Aluminum Alloy Chassis
• Dimensions: 4.02" W x 8.70" L x 1.40" H

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32
List price $511.98
-30% $359.99

In stock

Only 3 Left!

• RMS: 80 Watts x 4 @ 4 ohm, 150 Watts x 4 @ 2 ohm, Bridged: 300 Watts x 2 @ 4 ohm
• Total Peak Power: 1000 Watts
• Class D IR Chipset with DirectFET Power Mosfet Output
• Wired remote bass level control included
• Ultra Compact High Density Aluminum Alloy Chassis
• Dimensions: 4.02" W x 8.70" L x 1.40" H

Rockford Fosgate M2-500X1 with Amplifier Wiring Kit

500 Watt Monoblock marine amplifier

M2-500X1, XKIT42 big
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500 Watt Monoblock marine amplifier

• 300 Watts x 1 @ 4 ohm
• 500 Watts x 1 @ 2 ohm
• Element Ready™ design protects against outdoor exposure
• Conformal coated circuit board
• Top Mounted Control Panel

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124
List price $493.98
-18% $404.98

In stock

Only 3 Left!

• 300 Watts x 1 @ 4 ohm
• 500 Watts x 1 @ 2 ohm
• Element Ready™ design protects against outdoor exposure
• Conformal coated circuit board
• Top Mounted Control Panel

Cerwin Vega CVP800.2D + NVX XLCA2 Line-Output-Converter + Amp Kit

CVP Series 2-Channel Class-D Amplifier + NVX LOC with XBOOST Technology

CVP800.2D, XLCA2, BAK82BL big
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CVP Series 2-Channel Class-D Amplifier + NVX LOC with XBOOST Technology

• CVP Series 2-Channel Amplifier
• 85W x 2 @ 2Ω / 60W x 2 @ 4Ω
• Class-D Circuitry
• 2-Ohm Stereo, 4-Ohm Bridged Full Range Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input

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51
List price $311.97
-25% $232.47

In stock

• CVP Series 2-Channel Amplifier
• 85W x 2 @ 2Ω / 60W x 2 @ 4Ω
• Class-D Circuitry
• 2-Ohm Stereo, 4-Ohm Bridged Full Range Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input

Cerwin Vega CVP1600.1D with Belva 8 Gauge Amp Kit

CVP Series Monoblock Class-D Amplifier

CVP1600.1D, BAK82BL big
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CVP Series Monoblock Class-D Amplifier

• CVP Series Monoblock Amplifier
• 200W RMS X 1 @ 2Ω / 120W RMS X 1 @ 4Ω
• 1-Ohm Stable Class D Monoblock Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input
• Includes Amplifier Wiring Kit

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42
List price $205.98
-37% $129.99

In stock

• CVP Series Monoblock Amplifier
• 200W RMS X 1 @ 2Ω / 120W RMS X 1 @ 4Ω
• 1-Ohm Stable Class D Monoblock Operation
• Direct Short, Thermal, & Overload Circuits Protect Amplifier
• 200mV-6V High Level or Low Level RCA Input
• Includes Amplifier Wiring Kit

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    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 1998 Audi A4?

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

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