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2012 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 Speakers Add a Subwoofer Add an Amplifier Digital Sound Processors Audio Installation & Accessories Add a Backup Camera Dads & Grads Sale

Universal-Fit Audio for 2012 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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JL Audio M6-10STR-S-Bg

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Beige)

M6-10STR-S-Bg big
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JL Audio M6-10STR-S-Bg

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Beige)

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Beige

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Universal Icon Universal – fits most vehicles.

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$54.99

Available

Ships in 10-14 days

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• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Beige

JL Audio M6-10STR-S-Bu

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Blue)

M6-10STR-S-Bu big
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JL Audio M6-10STR-S-Bu

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Blue)

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Blue

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$54.99

Available

Ships in 10-14 days

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• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Blue

JL Audio M6-10STR-S-Cm

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Cream)

M6-10STR-S-Cm big
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JL Audio M6-10STR-S-Cm

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Cream)

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Cream

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$54.99

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Ships in 10-14 days

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• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Cream

JL Audio M6-10STR-S-Rd

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Red)

M6-10STR-S-Rd big
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JL Audio M6-10STR-S-Rd

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Red)

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Red

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$54.99

Available

Ships in 10-14 days

Add to Cart

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Red

JL Audio M6-10STR-S-Ww

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Warm White)

M6-10STR-S-Ww big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M6-10STR-S-Ww

Trim Ring for JL Audio 10" M6 Marine Subwoofers (Warm White)

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Warm White

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

Universal Icon Universal – fits most vehicles.

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$54.99

Available

Ships in 10-14 days

Add to Cart

• 10" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Warm White

JL Audio M6-10SGI-S-An

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Anthracite)

M6-10SGI-S-An big
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JL Audio M6-10SGI-S-An

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Anthracite)

• 10" Anthracite subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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$54.99

Available

Ships in 10-14 days

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• 10" Anthracite subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M6-10SGI-S-Bu

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Blue)

M6-10SGI-S-Bu big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M6-10SGI-S-Bu

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Blue)

• 10" Blue subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

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$54.99

Available

Ships in 10-14 days

Add to Cart

• 10" Blue subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M6-10SGI-S-Cm

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Cream)

M6-10SGI-S-Cm big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M6-10SGI-S-Cm

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Cream)

• 10" Cream subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

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$54.99

Available

Ships in 10-14 days

Add to Cart

• 10" Cream subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M6-10SGI-S-Sb

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Satin Black)

M6-10SGI-S-Sb big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M6-10SGI-S-Sb

Grille Insert for JL Audio 10" M6 Marine Subwoofers (Satin Black)

• 10" Satin Black subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

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$54.99

Available

Ships in 10-14 days

Add to Cart

• 10" Satin Black subwoofer sport grille for M6 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M7-12STR-Gw (Open Box, Great)

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Gloss White)

M7-12STR-Gw-2 big
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JL Audio M7-12STR-Gw (Open Box, Great)

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Gloss White)

• JL Audio Sport Grille
• Designed for 12" M7-12IB Series Subwoofers
• Marine Grade to Withstand the Elements

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List price $34.99
-30% $24.49

In stock

Only 1 Left!

Add to Cart

• JL Audio Sport Grille
• Designed for 12" M7-12IB Series Subwoofers
• Marine Grade to Withstand the Elements

JL Audio M7-12STR-Bg

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Beige)

M7-12STR-Bg big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12STR-Bg

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Beige)

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Beige

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Beige

JL Audio M7-12STR-Cm

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Cream)

M7-12STR-Cm big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12STR-Cm

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Cream)

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Cream

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Cream

JL Audio M7-12STR-Rd

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Red)

M7-12STR-Rd big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12STR-Rd

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Red)

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Red

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" trim ring for sport grilles in JL Audio M7 marine subwoofers
• JL Audio M7 marine subwoofers sold separately
• Color: Red

JL Audio M7-12STR-Ww

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Warm White)

M7-12STR-Ww big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12STR-Ww

Trim Ring for JL Audio 12" M7 Marine Subwoofers (Warm White)

• 12" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Warm White

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" trim ring for sport grilles in JL Audio M6 marine subwoofers
• JL Audio M6 marine subwoofers sold separately
• Color: Warm White

JL Audio M7-12SGI-S-Cm

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Cream)

M7-12SGI-S-Cm big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12SGI-S-Cm

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Cream)

• 12" Cream subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" Cream subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M7-12SGI-S-Sb

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Satin Black)

M7-12SGI-S-Sb big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12SGI-S-Sb

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Satin Black)

• 12" Satin Black subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" Satin Black subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

JL Audio M7-12SGI-S-Si

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Silver)

M7-12SGI-S-Si big
Go to item page Right Arrow Icon of Right Arrow

JL Audio M7-12SGI-S-Si

Grille Insert for JL Audio 12" M7 Marine Subwoofers (Silver)

• 12" Silver subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

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

Universal Icon Universal – fits most vehicles.

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$59.99

Available

Ships in 10-14 days

Add to Cart

• 12" Silver subwoofer sport grille for M7 series marine subwoofers
• Ideal for marine or outdoor applications
• Easy to install and replace, no drilling required

Wet Sounds REVO 10 SW-W GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (White)

REVO 10 SW-W GRILLE V3 big
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Wet Sounds REVO 10 SW-W GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (White)

• 10" Marine Subwoofer Grille
• White SW grille design
• REVO 10 marine subwoofers sold separately

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Universal Icon Universal – fits most vehicles.

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$59.99

Available

Ships in 10-14 days

Add to Cart

• 10" Marine Subwoofer Grille
• White SW grille design
• REVO 10 marine subwoofers sold separately

Wet Sounds REVO 10 XW-B GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (Black)

REVO 10 XW-B GRILLE V3 big
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Wet Sounds REVO 10 XW-B GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (Black)

• 10" Marine Subwoofer Grille
• Black XW grille design
• REVO 10 marine subwoofers sold separately

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 10" Marine Subwoofer Grille
• Black XW grille design
• REVO 10 marine subwoofers sold separately

Wet Sounds REVO 10 XW-W GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (White)

REVO 10 XW-W GRILLE V3 big
Go to item page Right Arrow Icon of Right Arrow

Wet Sounds REVO 10 XW-W GRILLE V3

Grille for Wet Sounds 10" REVO 10 Marine Subwoofers (White)

• 10" Marine Subwoofer Grille
• White XW grille design
• REVO 10 marine subwoofers sold separately

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

Universal Icon Universal – fits most vehicles.

Shop similar products or Update vehicle

$59.99

Available

Ships in 10-14 days

Add to Cart

• 10" Marine Subwoofer Grille
• White XW grille design
• REVO 10 marine subwoofers sold separately

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    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2012 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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