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2025 Audi A4 Allroad

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 2025 Audi A4 Allroad

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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NVX XBAF65

Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

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Universal 6.5" Waterproof Silicone Rubber Speaker Baffle Ring Kit (Pack of 2)

• 6.5" 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 6.5" speakers
• Pack of 2

Free Baffles with Select Speakers Shop deal
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found car based on your search
Fits your A4 Allroad
116
List price $34.99
-37% $21.99

In stock

Used from: $15.39 Like New from: $17.99
Limited time!

NVX VSPTW

450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

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450W Peak (150W RMS) 1" V-Series Silk Dome Tweeters with External Crossovers

• 1" V Series Dome Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

Dads & Grads Sale! Save 15% at Checkout!
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
29
List price $79.99
-31% $54.99 /pair

In stock

AudioControl PNW1

125W RMS 1" PNW Series Component Car Tweeters

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125W RMS 1" PNW Series Component Car Tweeters

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
3
List price $149.00
-13% $129.00 /pair

In stock

• 1" PNW Series Dome Tweeters
• 125 watts RMS Each
• 3 ohm Impedance

DS18 TWPZ

80W Peak (40W RMS) 1" Slim Dome Super Tweeters

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80W Peak (40W RMS) 1" Slim Dome Super Tweeters

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

shipping truck icon Free shipping in USA. Provide zip for delivery date.
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Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
6
$5.95 /pair

In stock

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

Install Bay 8" Round Foam Acoustic Speaker Baffles (VXT80)

XTC 8" Round Foam Acoustic Speaker Baffles create a tight, acoustic seal behind the speaker to enhance the sound quality

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XTC 8" Round Foam Acoustic Speaker Baffles create a tight, acoustic seal behind the speaker to enhance the sound quality

• Shallow Foam Acoustic Speaker Baffles
• Includes a pair of 8" round baffles
• Made from a waterproof foam
• Creates a tight, acoustic seal behind the speaker to enhance the sound quality
• Compresses and forms to the shape of most installations
• Reduces panel vibration
• Greatly enhances the sound and performance of the speakers

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
2
List price $37.99
-11% $33.99

In stock

Only 3 Left!

• Shallow Foam Acoustic Speaker Baffles
• Includes a pair of 8" round baffles
• Made from a waterproof foam
• Creates a tight, acoustic seal behind the speaker to enhance the sound quality
• Compresses and forms to the shape of most installations
• Reduces panel vibration
• Greatly enhances the sound and performance of the speakers

NVX XBAF65 6.5" Premium Speaker Installation 2-Pair Kit

2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

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2 Piece 6.5" or 6.75" Weatherproof Silicone Rubber Speaker Baffle Kit + Premium Sound Damping + Five Piece Installer's Panel Removal Installation Tool Kit w/ Sound Deadening

• Acoustically seals speakers for better sound performance
• Prevents front and rear wave cancellation
• Reduces panels vibrations
• Foldable design allows for varying depths

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
255
List price $141.44
-38% $88.14

In stock

Limited time!

NVX FRING65

Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

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Universal 6.5" or 6.75" Self-Adhesive Foam Speaker Baffle Ring Kit (Pack of 2)

• 6.5" or 6.75" 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 6.5" or 6.75" speakers
• Pack of 2

Free Speaker Accessory at Checkout!
shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
43
List price $19.99
-10% $17.99

In stock

Like New from: $15.29

Kicker 51KST2504

450W Peak (150W RMS) 1" KS Series 4-ohm Car Tweeters

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450W Peak (150W RMS) 1" KS Series 4-ohm Car Tweeters

• 1" KS Series Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

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VIP Product Get $12.00 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 A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
1
List price $139.99
-14% $119.99 /pair

In stock

• 1" KS Series Tweeters
• 225 watts Peak Each
• 75 watts RMS Each
• 4 ohm Impedance

Alpine S2-S10TW

480W Peak (160W RMS) 1" S-Series 4-ohm Dome Tweeters

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480W Peak (160W RMS) 1" S-Series 4-ohm Dome Tweeters

• 1" S Series Tweeters
• 240 watts Peak Each
• 80 watts RMS Each
• 4 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 A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
List price $130.00
-15% $109.95 /pair

In stock

• 1" S Series Tweeters
• 240 watts Peak Each
• 80 watts RMS Each
• 4 ohm Impedance

JL Audio C6-100ct

75W RMS 1” C6 Series 4-ohm Component Dome Tweeter

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75W RMS 1” C6 Series 4-ohm Component Dome Tweeter

• 1" C6 Series Tweeter
• 75 watts RMS
• 4 ohm Impedance

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VIP Product Get $16.00 in rewards to spend later

install icon

Install kits available for most vehicles

found car based on your search
Fits multiple locations in your A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
$159.99

In stock

Only 2 Left!

• 1" C6 Series Tweeter
• 75 watts RMS
• 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

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
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

Stinger Roadkill RKFR6

FAST Foam Speaker Enhancer System Kit for 6" and 6.5" Drivers 3pc

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FAST Foam Speaker Enhancer System Kit for 6" and 6.5" Drivers 3pc

• F.A.S.T. Ring Kit for 6" and 6.5" Speakers
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
26
List price $29.00
-28% $20.99

In stock

• F.A.S.T. Ring Kit for 6" and 6.5" Speakers
• Includes 3 piece foam speaker rings
• Acoustically seals speakers for better sound performance
• Absorbs rear wave, prevents front and rear wave cancellation and reduces panels vibrations

Limited time!

Hertz C 26 OE (Like New (Open Box))

240W Peak 1" Cento Series Component Soft Dome Tweeters for OE Placements

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240W Peak 1" Cento Series Component Soft Dome Tweeters for OE Placements

• 1" Cento Series Soft Dome Tweeters for OE Placements
• Built-in crossover: 6dB/octave
• 120 watts Peak Each
• 4 ohm Impedance

10% Off Open Box!
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 A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
List price $195.00
-26% $144.49 /pair
$130.04 with coupon | Price details

In stock

Only 1 Left!

• 1" Cento Series Soft Dome Tweeters for OE Placements
• Built-in crossover: 6dB/octave
• 120 watts Peak Each
• 4 ohm Impedance

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!
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 A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • 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

Install Bay VXT62

XTC 6-1/2" Round Large Frame, Shallow Foam Acoustic Speaker Baffles

VXT62 big
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XTC 6-1/2" Round Large Frame, Shallow Foam Acoustic Speaker Baffles

• Large Frame Speaker Baffles
• For 6-1/2" 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 A4 Allroad
28
List price $25.99
-12% $22.99

In stock

• Large Frame Speaker Baffles
• For 6-1/2" Speakers • Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Sundown Audio SA-1T (SA1T)

65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

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65W RMS 1" SA Series Version 4 4-ohm Tweeters (S-SA1T)

• 1" SA Series Tweeters
• 65 watts RMS
• 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 A4 Allroad
  • Center Dash
  • Dash Corner
  • Front Pillar
  • Rear Door
List price $179.99
-17% $149.99 /pair

In stock

Only 2 Left!

• 1" SA Series Tweeters
• 65 watts RMS
• 4 ohm Impedance

The Install Bay VXT60

XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

VXT60 big
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XTC 6-1/2" Round Large Frame Foam Acoustic Speaker Baffles

• Large Frame Speaker Baffles
• 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 A4 Allroad
18
List price $25.99
-12% $22.99

In stock

Only 2 Left!

• Large Frame Speaker Baffles
• Made from a Waterproof Foam
• Greatly Enhances the Sound and Performance of the Speakers
• Reduces Panel Vibration

Install Bay IBBAF65

Acoustic Speaker Baffles 6.5 inch - Pair

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Acoustic Speaker Baffles 6.5 inch - Pair

• 6.5" Acoustic Speaker Baffles
• Sold in Pairs
• Enhances sound quality of speakers
• Protects Rear of Speakers From Rain, etc.
• Trim for Enhanced Bass Response

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
12
List price $13.99
-14% $11.99

In stock

• 6.5" Acoustic Speaker Baffles
• Sold in Pairs
• Enhances sound quality of speakers
• Protects Rear of Speakers From Rain, etc.
• Trim for Enhanced Bass Response

Install Bay IBBAF60

6.5" Foam Acoustic Speaker Baffles

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6.5" Foam Acoustic Speaker Baffles

• Foam Acoustic Speaker Baffles
• Fits 6.5" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
5
List price $14.99
-13% $12.99

In stock

• Foam Acoustic Speaker Baffles
• Fits 6.5" Speakers
• Improves Speaker Performance
• Protects Rear of Speaker Against Moisture

NVX XBAF8

Universal 8" Waterproof Silicone Rubber Speaker Baffles (Pack of 2)

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Universal 8" Waterproof Silicone Rubber Speaker Baffles (Pack of 2)

• 8" 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 8" speakers
• Pack of 2

shipping truck icon Free shipping in USA. Provide zip for delivery date.
found car based on your search
Fits your A4 Allroad
2
List price $29.99
-23% $22.99

In stock

Used from: $13.99 Like New from: $19.54

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    FAQ for Universal-Fit Audio & Electronics in 2025 A4 Allroad

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2025 Audi A4 Allroad?

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

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    • Owner's manual
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    • Vehicle produced after 2005: Inside driver's side door
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
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    • You get the correct accessories the first time

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