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2000 Audi A6

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 2000 Audi A6

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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Kicker 51KST2004

390W Peak (130W RMS) 0.75" KS Series 4-ohm Car Tweeters

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390W Peak (130W RMS) 0.75" KS Series 4-ohm Car Tweeters

• 3/4" KS Series Tweeters
• 195 watts Peak Each
• 65 watts RMS Each
• 4 ohm Impedance

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
List price $119.99
-17% $99.99 /pair

In stock

• 3/4" KS Series Tweeters
• 195 watts Peak Each
• 65 watts RMS Each
• 4 ohm Impedance

Metra 81-4300

Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

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Universal Speaker Baffles for 5-1/4" and 6-1/2" Speakers

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

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found car based on your search
Fits your A6
25
List price $24.99
-12% $21.99

In stock

• Universal Speaker Baffles
• Works for 5-1/4" & 6-1/2" Speakers
• Durable ABS Plastic Construction
• Protects the Back of the Speaker
• Reduces Panel Vibration
• Blocks Road Noise
• Creates a Tight Acoustic Seal

Limited time!

Kicker CST204 (46CST204) (Open Box, Great)

200W Peak (100W RMS) 3/4” CS Series 4-ohm Titanium Dome Tweeters

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200W Peak (100W RMS) 3/4” CS Series 4-ohm Titanium Dome Tweeters

• 3/4" CS Series Dome Tweeters
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

10% Off Open Box!
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
List price $79.99
-39% $48.99 /pair
$44.09 with coupon | Price details

In stock

Only 1 Left!

• 3/4" CS Series Dome Tweeters
• 100 watts Peak Each
• 50 watts RMS Each
• 4 ohm Impedance

Limited time!

NVX XBAF525

Universal 5.25" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

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Universal 5.25" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

• 5.25" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof foldable silicone baffles with egg crate foam
• Foldable rings allow for perfect fitment at varying depths
• Designed for use with 5.25" speakers
• Pack of 2

Free Speaker Accessory at Checkout!
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found car based on your search
Fits your A6
9
List price $19.99
-15% $16.99

In stock

Used from: $11.39
Limited time!

NVX FRING525

Universal 5.25" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

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Universal 5.25" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

• 5.25" Self-Adhesive Foam Speaker Baffle Ring Kit
• Waterproof automotive-grade high-density foam strips
• Prevents front and rear wave cancellation and panel vibrations
• Designed for use with 5.25" speakers
• Pack of 2

Free Speaker Accessory at Checkout!
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found car based on your search
Fits your A6
2
List price $19.99
-45% $10.99

In stock

Used from: $7.69

The Install Bay VXT55

XTC 5" to 5-1/4" Round Foam Acoustic Speaker Baffles

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XTC 5" to 5-1/4" Round Foam Acoustic Speaker Baffles

• Round Foam Speaker Baffles
• For 5" to 5-1/4" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
16
List price $21.99
-14% $18.99

In stock

• Round Foam Speaker Baffles
• For 5" to 5-1/4" Speakers
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Install Bay IBSBF525

2 Speaker Baffle Kit 5.25" Inch - Pkg/Pair

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2 Speaker Baffle Kit 5.25" Inch - Pkg/Pair

• New design silicone with egg wave foam
• Foldable speaker baffle
• No more trimming or cutting
• Better sealing for better sound
• Water tight seal

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
1
List price $38.99
-10% $34.99

Available

Ships in 10-14 days

• New design silicone with egg wave foam
• Foldable speaker baffle
• No more trimming or cutting
• Better sealing for better sound
• Water tight seal

Install Bay IBBAF55

5.25" Foam Acoustic Speaker Baffles

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5.25" Foam Acoustic Speaker Baffles

• Foam Acoustic Speaker Baffles
• Fits 5.25" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

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found car based on your search
Fits your A6
5
List price $13.99
-14% $11.99

In stock

• Foam Acoustic Speaker Baffles
• Fits 5.25" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

Diamond Audio DMDXTK

135W Peak (45W RMS) 0.75" DMDX Series Add-On Component Car Tweeters

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135W Peak (45W RMS) 0.75" DMDX Series Add-On Component Car Tweeters

• 3/4" DMDX Series Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 4 ohm Impedance

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VIP Product Get $10.00 in rewards to spend later

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
$99.99 /pair

In stock

Only 2 Left!

• 3/4" DMDX Series Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 4 ohm Impedance

Infinity REF757T (INFSPKRF757TUS)

270W Peak (90W RMS) 3/4" Reference Series 3-ohm Dome Tweeters

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270W Peak (90W RMS) 3/4" Reference Series 3-ohm Dome Tweeters

• 3/4" Reference Series Edge Driven Dome Tweeters
• 135 watts Peak Each
• 45 watts RMS Each
• 3 ohm Impedance

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VIP Product Get $11.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
1
List price $139.95
-21% $109.95 /pair

In stock

Infinity REF-375TX

270W Peak (90W RMS) 0.75" Reference Series Car Tweeters

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270W Peak (90W RMS) 0.75" Reference Series Car Tweeters

• 3/4" Reference Series Car Tweeters
• Edge-Driven Textile Tweeter
• 270W Max
• 90W RMS
• 3 ohm Impedance

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VIP Star Icon

VIP Product Get $10.00 in rewards to spend later

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Save $13 on install kits for this speaker

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
List price $130.00
-23% $99.95 /pair

In stock

Like New from: $84.96

Cerwin-Vega HTAK

600W Peak (70W RMS) 0.75" HED Series 4-ohm Silk Dome Tweeters

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600W Peak (70W RMS) 0.75" HED Series 4-ohm Silk Dome Tweeters

• 3/4" HED Series Balanced Dome Tweeters
• External crossover included
• 300 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

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

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
$67.99 /pair

Available

Ships in 10-14 days

• 3/4" HED Series Balanced Dome Tweeters
• External crossover included
• 300 watts Peak Each
• 35 watts RMS Each
• 4 ohm Impedance

Cerwin-Vega HT34

100W Peak (40W RMS) 0.75" HED Series 2025 Edition 4-ohm Tweeters

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100W Peak (40W RMS) 0.75" HED Series 2025 Edition 4-ohm Tweeters

• 3/4" HED Series Tweeters
• 50 watts Peak Each
• 20 watts RMS Each
• 4 ohm Impedance

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

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
$79.99 /pair

In stock.

Limited time!

Infinity REF-375TX (Like New (Open Box))

270W Max (90W RMS) 3/4" Reference Series Car Tweeters

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270W Max (90W RMS) 3/4" Reference Series Car Tweeters

• 3/4" Reference Series Car Tweeters
• Edge-Driven Textile Tweeter
• 270W Max
• 90W RMS
• 3 ohm Impedance

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
install icon

Save $10 on install kits for this speaker

found car based on your search
Fits multiple locations in your A6
  • Front Door
  • Rear Door
List price $130.00
-35% $84.96 /pair
$76.46 with coupon | Price details

In stock

Only 1 Left!

Limited time!

NVX XBAF525 (Open Box, Good)

2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

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2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF65's will last a lifetime

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
List price $19.99
-43% $11.39
$10.25 with coupon | Price details

In stock

Only 2 Left!

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF65's will last a lifetime

Limited time!

NVX XBAF525 (Open Box, Great)

2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

XBAF525 big
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2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF525's will last a lifetime

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
List price $19.99
-34% $13.29
$11.96 with coupon | Price details

In stock

Only 2 Left!

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF525's will last a lifetime

Limited time!

NVX FRING525 (Open Box, Great)

2 Piece 5.25" Self-Adhesive Foam Speaker Ring Baffle Kit

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2 Piece 5.25" Self-Adhesive Foam Speaker Ring Baffle Kit

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

10% Off Open Box!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
List price $19.99
-62% $7.69
$6.92 with coupon | Price details

In stock

Only 2 Left!

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

NVX XBAF525 Premium Speaker Accessory Kit

2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad + NVX SDBSK2 Premium Sound Damping

XBAF525_SDBSK2_ACC_KIT big
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2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad + NVX SDBSK2 Premium Sound Damping

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF65's will last a lifetime

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
56
List price $38.73
-23% $29.99

In stock

NVX XBAF525 Baffle Accessory Kit

2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad + 1.38 Square Feet of Sound Damping Material (Two 10" x 10" Pieces)

XBAF525_SDSK2_BACC_KIT big
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2 Piece Universal 5.25” Silicone Rubber Speaker Baffles with Self Adhesive Foam Base Pad + 1.38 Square Feet of Sound Damping Material (Two 10" x 10" Pieces)

• Foldable Silicone with egg crate foam
• Creates a tight seal around your speaker for optimum sound quality
• Waterproof material
• The foam baffles from the competitors will deteriorate over time, while the rubber XBAF65's will last a lifetime
• Includes Sound Damping

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
56
List price $38.73
-23% $29.99

In stock

NVX FRING525 Basic Speaker Accessory Kit

2 Piece 5.25" Self-Adhesive Foam Speaker Ring Baffle Kit with 1.38 Square Feet of Sound Dampening Material (Two 10" x 10" Pieces)

FRING525_SDSK2_ACC_KIT big
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2 Piece 5.25" Self-Adhesive Foam Speaker Ring Baffle Kit with 1.38 Square Feet of Sound Dampening Material (Two 10" x 10" Pieces)

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Easy peel and stick installation

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A6
49
List price $38.73
-38% $23.99

In stock

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    FAQ for Universal-Fit Audio & Electronics in 2000 A6

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2000 Audi A6?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A6.

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

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    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.