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2015 Audi S3

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 2015 Audi S3

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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Wet Sounds SPOOL 5M-RGB

16.4 Ft. Marine RGB LED Lighting Spool

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16.4 Ft. Marine RGB LED Lighting Spool

• 16.4 ft. Marine RGB LED strips
• Silicone-coated LEDs with over 256 color options
• Optional RF remote control for the LED (Sold separately)
• Standard 12V power requirement

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$129.99

Available

Ships in 10-14 days

• 16.4 ft. Marine RGB LED strips
• Silicone-coated LEDs with over 256 color options
• Optional RF remote control for the LED (Sold separately)
• Standard 12V power requirement

Heise HE-MULTE-4W

Lite Marker Lights (4) 1.5 Watt - White - Municipality Series

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Lite Marker Lights (4) 1.5 Watt - White - Municipality Series

• Wattage: (4) 1.5-Watt LEDs
• Light Color: White
• Size: L: 3.4" W: 1.4" H: 0.4"
• IP Rating: 65
• 16 self-controlled patterns
• Designed for higher voltage applications

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List price $62.00
-15% $53.00

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• Wattage: (4) 1.5-Watt LEDs
• Light Color: White
• Size: L: 3.4" W: 1.4" H: 0.4"
• IP Rating: 65
• 16 self-controlled patterns
• Designed for higher voltage applications

Heise HE-MULTE-4A

Lite Marker Lights (4) 1.5 Watt - Amber - Municipality Series

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Lite Marker Lights (4) 1.5 Watt - Amber - Municipality Series

• Wattage: (4) 1.5-Watt LEDs
• Light Color: Amber
• Size: L: 3.4" W: 1.4" H: 0.4"
• IP Rating: 65
• 16 self-controlled patterns
• Designed for higher voltage applications

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List price $62.00
-15% $53.00

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Only 1 Left!

• Wattage: (4) 1.5-Watt LEDs
• Light Color: Amber
• Size: L: 3.4" W: 1.4" H: 0.4"
• IP Rating: 65
• 16 self-controlled patterns
• Designed for higher voltage applications

Heise HE-MUGRL-6WA

4.1in 6 LED WORK LIGHT - 1/2 WHITE 1/2 AMBER

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4.1in 6 LED WORK LIGHT - 1/2 WHITE 1/2 AMBER

• Bi-color white and amber LEDs
• 16 self-controlled patterns with memory that can be synced with multiple units (of the same lighting model)
• IP Rating: IP65
• Wattage: (6) 1-Watt LEDs

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List price $135.99
-10% $121.99

In stock

Only 1 Left!

• Bi-color white and amber LEDs
• 16 self-controlled patterns with memory that can be synced with multiple units (of the same lighting model)
• IP Rating: IP65
• Wattage: (6) 1-Watt LEDs

Metra JP-JLPMLB

Cube LED Light Post Mount Brackets

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Cube LED Light Post Mount Brackets

• Cube LED light post mount brackets
• Fits a cube, work or driving light
• Mount cubes on top and sides
• Made with durable powder coated steel
• Sold as pair (2 post mount brackets)

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List price $121.99
-11% $108.99

In stock

Only 1 Left!

• Cube LED light post mount brackets
• Fits a cube, work or driving light
• Mount cubes on top and sides
• Made with durable powder coated steel
• Sold as pair (2 post mount brackets)

Heise HE-ATP3PIGTAIL

ATP PIGTAIL CONNECTORS WITH WIRE - For light bars 160 watts and greater - 10 PACK

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ATP PIGTAIL CONNECTORS WITH WIRE - For light bars 160 watts and greater - 10 PACK

• Connector for lightbars with 160 watts or higher
• 10-Pack of ATP3 pigtail connectors with wire

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List price $123.00
-15% $105.00

In stock

Only 3 Left!

• Connector for lightbars with 160 watts or higher
• 10-Pack of ATP3 pigtail connectors with wire

Race Sport Accessories RS70014W-A

Switching White/Amber 4-LED 19-Flash Pattern Marker Strobe Light

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Switching White/Amber 4-LED 19-Flash Pattern Marker Strobe Light

• Switching White/Amber 4-LED 19-Flash Pattern Marker Strobe Light
• Four high-intensity LEDs with an optical lens
• Low-profile surface mount strobes
• 19 adjustable, alternating and synchronized flash patterns
• IP67 waterproof rating

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List price $63.00
-22% $49.00

In stock

• Switching White/Amber 4-LED 19-Flash Pattern Marker Strobe Light
• Four high-intensity LEDs with an optical lens
• Low-profile surface mount strobes
• 19 adjustable, alternating and synchronized flash patterns
• IP67 waterproof rating

Metra MPS-C03

1-3/16" Aluminum Roll Bar Mount for LED Lightbars in Powersports Applications

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1-3/16" Aluminum Roll Bar Mount for LED Lightbars in Powersports Applications

• 1-3/16" Aluminum Roll Bar Mount for ATVs and UTVs
• Compatible with LED lightbars with 6-8mm mounting bolts
• Special high-strength aluminum construction
• Powder-coated finish with durable crinkle coating
• 360-degree custom adjustability

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List price $25.00
-44% $13.99

In stock

Only 1 Left!

• 1-3/16" Aluminum Roll Bar Mount for ATVs and UTVs
• Compatible with LED lightbars with 6-8mm mounting bolts
• Special high-strength aluminum construction
• Powder-coated finish with durable crinkle coating
• 360-degree custom adjustability

Heise HE-JLAPB

JL 2018-UP PILLAR LIGHT BRACKET 50

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JL 2018-UP PILLAR LIGHT BRACKET 50

• JEEP JL PILLAR LIGHT BRACKET

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List price $349.00
-14% $299.00

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• JEEP JL PILLAR LIGHT BRACKET

DS18 NXL-LRING8

8" RGB LED Ring for NXL and CF Series Marine and Powersports Speakers

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8" RGB LED Ring for NXL and CF Series Marine and Powersports Speakers

• 8" RGB LED ring for NXL and CF series marine speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Ideal for car, pro, marine, jeep, and motorsports

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List price $46.99
-17% $38.95

In stock.

• 8" RGB LED ring for NXL and CF series marine speakers
• Sealed for all elements use
• 1/2" Spacer Depth
• 16 Million Different Hues of Light
• Ideal for car, pro, marine, jeep, and motorsports

MTX MUDLEDC

RGB LED Lighting Remote Control and Harness for MTX LED Speakers

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RGB LED Lighting Remote Control and Harness for MTX LED Speakers

• RGB LED Remote Controller and Harness
• 20 static colors and 19 dynamic modes
• Remote Distance: 30 meters
• Compatible with MTX RGB LED Speakers

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List price $69.95
-14% $59.95

Available

Ships in 10-14 days

• RGB LED Remote Controller and Harness
• 20 static colors and 19 dynamic modes
• Remote Distance: 30 meters
• Compatible with MTX RGB LED Speakers

DS18 DLRING10

10" Digital LED Acrylic Ring for Marine Loudspeakers and Speakers

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10" Digital LED Acrylic Ring for Marine Loudspeakers and Speakers

• 10" Digital LED Acrylic Ring for Marine Speakers
• Water resistant, perfect for harsh environment
• Easy installation, no major modification required
• Sealed acrylic (marine-grade) construction
• Light customizable via LC-DRM Bluetooth module

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$69.95

Available

Ships in 10-14 days

• 10" Digital LED Acrylic Ring for Marine Speakers
• Water resistant, perfect for harsh environment
• Easy installation, no major modification required
• Sealed acrylic (marine-grade) construction
• Light customizable via LC-DRM Bluetooth module

Heise RGBW-Y1

6" 5-pin RGBW Lighting Y-Adapter

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6" 5-pin RGBW Lighting Y-Adapter

• 5-pin RGBW Lighting Y-Adapter
• Includes one male to two female connectors
• Designed for use with Heise RGBW1-4KT and Heise RGBW1-S1 (Sold separately)
• Cable Length: 6 inches

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List price $18.99
-11% $16.99

Available

Ships in 10-14 days

• 5-pin RGBW Lighting Y-Adapter
• Includes one male to two female connectors
• Designed for use with Heise RGBW1-4KT and Heise RGBW1-S1 (Sold separately)
• Cable Length: 6 inches

Race Sport RSUKIT

45W ColorADAPT RGB LED Underbody Light Bar with Key Card Remote

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45W ColorADAPT RGB LED Underbody Light Bar with Key Card Remote

• ColorADAPT RGB LED Underbody Light Bar Kit
• Four 10" water-resistant flexible RGB LED strips
• Controllable via key card RGB remote
• Selectable colors and lighting modes

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List price $339.00
-27% $249.00

In stock.

• ColorADAPT RGB LED Underbody Light Bar Kit
• Four 10" water-resistant flexible RGB LED strips
• Controllable via key card RGB remote
• Selectable colors and lighting modes

Heise HE-WRC

Wireless Remote Harness Controller for Heise Light Bars

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Wireless Remote Harness Controller for Heise Light Bars

• Frequency: 433MHZ
• On-Off model
• Simple plug-n-play connection

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List price $53.00
-15% $45.00

In stock.

• Frequency: 433MHZ
• On-Off model
• Simple plug-n-play connection

Heise RGBW1-EXT

Universal 5-Pin 10 ft RGBW Extension Cable

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Universal 5-Pin 10 ft RGBW Extension Cable

• Universal 5-Pin RGBW Extension Cable
• Designed for use with RGBW-CB1 controller (Sold separately)
• Compatible with other select Heise lighting accessories
• IP68 marine grade rating

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List price $18.99
-11% $16.99

In stock

Only 2 Left!

• Universal 5-Pin RGBW Extension Cable
• Designed for use with RGBW-CB1 controller (Sold separately)
• Compatible with other select Heise lighting accessories
• IP68 marine grade rating

Wet Sounds SPOOL5M-RGBV5

16.4 Ft. Marine RGB LED Lighting Spool

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16.4 Ft. Marine RGB LED Lighting Spool

• 16.4 ft. Marine RGB LED strips
• Silicone-coated LEDs with over 256 color options
• Optional RF remote control for the LED (Sold separately)
• Standard 12V power requirement

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$139.99

Available

Ships in 10-14 days

• 16.4 ft. Marine RGB LED strips
• Silicone-coated LEDs with over 256 color options
• Optional RF remote control for the LED (Sold separately)
• Standard 12V power requirement

Heise HE-DLWH1

Light Bars/Cube Lights Wiring Harness and Switch Kit

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Light Bars/Cube Lights Wiring Harness and Switch Kit

• 9 ft lead for light bar connector(s)
• Use with 2 Heise light bars/cube lights 150 watts each or less
• Universal plug-and-play wiring harness with on/off rocker switch
• Easy installation

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List price $71.99
-11% $63.99

In stock.

• 9 ft lead for light bar connector(s)
• Use with 2 Heise light bars/cube lights 150 watts each or less
• Universal plug-and-play wiring harness with on/off rocker switch
• Easy installation

DS18 NXL-DLRING6

Digital LED Rings for 6.5" Marine and Powersports Speakers

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Digital LED Rings for 6.5" Marine and Powersports Speakers

• Fits most DS18 NXL and CF series marine speakers
• Includes 2 digital LED spacer rings (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

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List price $71.99
-17% $59.95

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• Fits most DS18 NXL and CF series marine speakers
• Includes 2 digital LED spacer rings (screws not included)
• Compatible Speaker Size: 6.5"
• Spacer Thickness: 0.5"

Stinger SPXRGB5D

16.4 Ft. Dynamic RGB LED Light Strips

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16.4 Ft. Dynamic RGB LED Light Strips

• 16.4 Ft. Dynamic RGB LED Light Strips
• 360-degree of bold, bright LEDs
• 273 variable colors
• Four standard (4 wire) RGB outputs (10A total output)
• SPXRGBCD remote control included

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List price $179.00
-28% $129.00

Available

Ships in 10-14 days

• 16.4 Ft. Dynamic RGB LED Light Strips
• 360-degree of bold, bright LEDs
• 273 variable colors
• Four standard (4 wire) RGB outputs (10A total output)
• SPXRGBCD remote control included

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    FAQ for Universal-Fit Audio & Electronics in 2015 S3

    Q: Can I upgrade or change the Universal-Fit Audio & Electronics in 2015 Audi S3?

    A: Yes this page includes all the best Universal-Fit Audio & Electronics that work in your S3.

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