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2012 Audi A3

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 2012 Audi A3

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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Heise HE-INFIN22

60W Universal 22" Infinite Series RGB Light Bar

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60W Universal 22" Infinite Series RGB Light Bar

• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• 8° Spot Beam Pattern
• Heise Connect RGB controller is now included
• Includes brackets, mounting pads, and pigtail harness

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Universal Icon Universal – fits most vehicles.

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List price $597.99
-10% $537.99

Available

Ships in 10-14 days

• Universal 22" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• 8° Spot Beam Pattern
• Heise Connect RGB controller is now included
• Includes brackets, mounting pads, and pigtail harness

Heise HE-HDRS8

48W Universal 9.2” Dual Row High Output Sidelight 12 LED Light Bar

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48W Universal 9.2” Dual Row High Output Sidelight 12 LED Light Bar

• Universal 9.2" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Diffused LED end caps on both sides produce a 240° field of light
• Integrated epoxy-encapsulated electronics

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List price $244.00
-15% $207.00

In stock.

• Universal 9.2" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Diffused LED end caps on both sides produce a 240° field of light
• Integrated epoxy-encapsulated electronics

Heise HE-DRL50

288W Universal 50" DRL Series Dual Row 96 LED Light Bar

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288W Universal 50" DRL Series Dual Row 96 LED Light Bar

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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List price $654.00
-15% $556.00

In stock.

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

Heise HE-SL914

18W Universal 9.25" Slimline Series Single Row 6 LED Light Bar

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18W Universal 9.25" Slimline Series Single Row 6 LED Light Bar

• Universal 9.25” Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• 90° Flood Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

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List price $212.99
-10% $190.99

In stock.

• Universal 9.25” Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• 90° Flood Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

Heise HE-SL3912

90W Universal 39.5” Slimline Series Single Row 30 LED Light Bar

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90W Universal 39.5” Slimline Series Single Row 30 LED Light Bar

• Universal 39.5” Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

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Universal Icon Universal – fits most vehicles.

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List price $612.99
-10% $550.99

In stock.

• Universal 39.5” Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

Heise HE-B3950

210W Universal 39.5” Blackout Series Single Row 42 LED Light Bar

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210W Universal 39.5” Blackout Series Single Row 42 LED Light Bar

• Universal 39.5" Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

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List price $664.99
-10% $597.99

In stock.

• Universal 39.5" Single Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets

Heise HE-BD32

300W Universal 32” Blackout Series Dual Row 60 LED Light Bar

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300W Universal 32” Blackout Series Dual Row 60 LED Light Bar

• Universal 32" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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Universal Icon Universal – fits most vehicles.

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List price $678.99
-10% $610.99

In stock.

• Universal 32" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Heise HE-HDR50

288W Universal 50” Dual Row High Output 96 LED Light Bar

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288W Universal 50” Dual Row High Output 96 LED Light Bar

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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Universal Icon Universal – fits most vehicles.

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List price $1032.99
-10% $928.99

In stock.

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Heise HE-BD50

480W Universal 50” Blackout Series Dual Row 96 LED Light Bar

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480W Universal 50” Blackout Series Dual Row 96 LED Light Bar

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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Universal Icon Universal – fits most vehicles.

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List price $1027.99
-10% $924.99

In stock.

• Universal 50" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Heise HE-DRL8

36W Universal 8" DRL Series Dual Row 12 LED Light Bar

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36W Universal 8" DRL Series Dual Row 12 LED Light Bar

• Universal 8" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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Universal Icon Universal – fits most vehicles.

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List price $246.99
-10% $221.99

In stock

Only 1 Left!

• Universal 8" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

Heise HE-DRL14

72W Universal 14" DRL Series Dual Row 24 LED Light Bar

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72W Universal 14" DRL Series Dual Row 24 LED Light Bar

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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Universal Icon Universal – fits most vehicles.

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List price $246.00
-15% $209.00

In stock

Only 1 Left!

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

Heise HE-SWP8C

8 Gang Flush Mount Switch Panel for UTVs and Jeeps

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8 Gang Flush Mount Switch Panel for UTVs and Jeeps

• Flush mount case for Heise 8 gang switch panel
• Screws ensure a secure fit
• Snap-on trim plate
• Clean and easy installation

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List price $55.99
-11% $49.99

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• Flush mount case for Heise 8 gang switch panel
• Screws ensure a secure fit
• Snap-on trim plate
• Clean and easy installation

Heise RGB1-UNDGLED

4-piece RGB Underglow Lighting Kit

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4-piece RGB Underglow Lighting Kit

• *4-piece RGB Underglow Lighting Kit
• Water-resistant IP67 rating
• (2) 36" front/rear LED tubes and (2) 48" side LED tubes
• Controllable via Heise Connect app
• Mounting hardware and extension cables included

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List price $416.99
-10% $374.99

In stock

Only 2 Left!

• *4-piece RGB Underglow Lighting Kit
• Water-resistant IP67 rating
• (2) 36" front/rear LED tubes and (2) 48" side LED tubes
• Controllable via Heise Connect app
• Mounting hardware and extension cables included

Heise HE-ICL2

RGB BACKLITE LED CUBE LIGHT

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RGB BACKLITE LED CUBE LIGHT

• 3 INCH 4 LED Cube Light - Spot Beam
• Wattage: 13W
• Color Temperature: 6000K
• Mounting Bracket: Stainless Steel
• IP Rating: IP67

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List price $132.99
-11% $118.99

Available

Ships in 10-14 days

• 3 INCH 4 LED Cube Light - Spot Beam
• Wattage: 13W
• Color Temperature: 6000K
• Mounting Bracket: Stainless Steel
• IP Rating: IP67

Heise HE-RBM150

Mount a Heise Light Bar to a 1.5" Roll Bar

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Mount a Heise Light Bar to a 1.5" Roll Bar

• Black-plated Aluminum
• Rubber Gasket to Protect Roll-bar

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List price $51.99
-12% $45.99

In stock

• Black-plated Aluminum
• Rubber Gasket to Protect Roll-bar

Heise HE-JKMR

LED Side mirrors for JEEP JK

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LED Side mirrors for JEEP JK

s• (9) 3 Watt White and (2) 1 Watt Amber
• Integrated Running Lights and Turn Signals
• Plugs into OEM Harness
• LED Color: 2000K
• LENS: Smoked
• IP Rating: IP67

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List price $195.36
-10% $175.82

In stock

Only 1 Left!

s• (9) 3 Watt White and (2) 1 Watt Amber
• Integrated Running Lights and Turn Signals
• Plugs into OEM Harness
• LED Color: 2000K
• LENS: Smoked
• IP Rating: IP67

Heise HE-BD20

180W Universal 20” Blackout Series Dual Row 40 LED Light Bar

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180W Universal 20” Blackout Series Dual Row 40 LED Light Bar

• Universal 20" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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VIP Product Get $41.80 in rewards to spend later

Universal Icon Universal – fits most vehicles.

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List price $464.99
-10% $417.99

In stock.

• Universal 20" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Heise HE-HDR14

72W Universal 14” Dual Row High Output 24 LED Light Bar

HE-HDR14 big
Go to item page Right Arrow Icon of Right Arrow

72W Universal 14” Dual Row High Output 24 LED Light Bar

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

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VIP Product Get $32.00 in rewards to spend later

Universal Icon Universal – fits most vehicles.

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List price $355.99
-10% $319.99

In stock.

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes rear/side brackets and mounting hardware

Heise HE-MU13-MINI

Amber Mini Lightbar - Municipality Series

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Amber Mini Lightbar - Municipality Series

• Amber Mini Lightbar - Municipality Series
• All lights come with matched or built-in controllers with different flash patterns
• Water-resistant IP65 rating and polycarbonate lens

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Universal – fits most vehicles.
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List price $399.99
-10% $359.99

In stock

Only 2 Left!

• Amber Mini Lightbar - Municipality Series
• All lights come with matched or built-in controllers with different flash patterns
• Water-resistant IP65 rating and polycarbonate lens

Heise HE-DR14

72W Universal 14” Dual Row 24 LED Light Bar

HE-DR14 big
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72W Universal 14” Dual Row 24 LED Light Bar

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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VIP Product Get $30.80 in rewards to spend later

Universal Icon Universal – fits most vehicles.

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List price $342.99
-10% $307.99

In stock.

• Universal 14" Double Row LED Light Bar
• Water-resistant IPX-67 Rating
• Flood/Spot Combo Beam Pattern
• Integrated epoxy-encapsulated electronics
• Includes brackets and mounting hardware

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    FAQ for Universal-Fit Audio & Electronics in 2012 A3

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2012 Audi A3?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your A3.

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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
    • Installation is smoother, faster, and frustration-free
    • 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.