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Crux Car Audio & Electronics

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Add an aux input to factory stereo ✕
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Product Type
Add an aux input to factory stereo,
Price Range
Type of Auxiliary Input
Some harnesses will add a audio input to a factory stereo, while others will add a video. Some will be able to do both. This is what type of input the harness adds to the factory stereo.
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
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Crux USB-3.5

Universal USB to 3.5mm Auxiliary Audio Input Adapter for select 2017-2018 vehicles from BMW, Jaguar, Porsche

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Crux USB-3.5

Universal USB to 3.5mm Auxiliary Audio Input Adapter for select 2017-2018 vehicles from BMW, Jaguar, Porsche

• USB to 3.5mm Auxiliary Audio Input Adapter
• For select 2017-2018 vehicles from BMW, Jaguar, Porsche
• Converts USB port to 3.5mm Auxiliary audio input
• Plug and play connection

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2
List price $159.60
-36% $102.60

In stock.

Add to Cart

• USB to 3.5mm Auxiliary Audio Input Adapter
• For select 2017-2018 vehicles from BMW, Jaguar, Porsche
• Converts USB port to 3.5mm Auxiliary audio input
• Plug and play connection

Crux AUX-MB2

Auxiliary Audio Interface and OBD Coder for Mercedes-Benz Comand Online NTG5 Systems

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Crux AUX-MB2

Auxiliary Audio Interface and OBD Coder for Mercedes-Benz Comand Online NTG5 Systems

• Auxiliary Input Interface and OBD Coder
• For Select Mercedes Benz Vehicles
• OBDII Coder Included

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List price $264.60
-60% $105.99

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Only 3 Left!

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• Auxiliary Input Interface and OBD Coder
• For Select Mercedes Benz Vehicles
• OBDII Coder Included

Crux AUX-MB1

Auxiliary Audio Input Interface For Mercedes-Benz 2011-2015 Comand NTG4.5 & Audio20 NTG4/NTG4.5 W/ 4-PIN LVDS

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Crux AUX-MB1

Auxiliary Audio Input Interface For Mercedes-Benz 2011-2015 Comand NTG4.5 & Audio20 NTG4/NTG4.5 W/ 4-PIN LVDS

• For Mercedes-Benz 2011-2015 Comand NTG4.5 & Audio20 NTG4/NTG4.5 W/ 4-PIN LVDS

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List price $237.95
-38% $146.95

In stock.

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• For Mercedes-Benz 2011-2015 Comand NTG4.5 & Audio20 NTG4/NTG4.5 W/ 4-PIN LVDS

Crux AUX-ABMP1

Auxiliary Audio Input Interface for Fiber Optic Systems - Audi, BMW, Mercedes Benz & Porsche

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Crux AUX-ABMP1

Auxiliary Audio Input Interface for Fiber Optic Systems - Audi, BMW, Mercedes Benz & Porsche

• AUX Audio Integration for Fiber Optic Systems
• For Select 2004 - Up BMW/Mercedes/Audi and Porsche Vehicles
• Dimensions: 3.5"L x 2.5"W x 7"H

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List price $384.30
-36% $247.05

In stock.

Add to Cart

• AUX Audio Integration for Fiber Optic Systems
• For Select 2004 - Up BMW/Mercedes/Audi and Porsche Vehicles
• Dimensions: 3.5"L x 2.5"W x 7"H

Crux AUX-BM4

Auxiliary Audio Input Interface and OBD Coder for 2003-2014 BMW Professional CCC Navigation Radio

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Crux AUX-BM4

Auxiliary Audio Input Interface and OBD Coder for 2003-2014 BMW Professional CCC Navigation Radio

• AUX Audio Integration
• For Select 2004 - Up BMW Vehicles

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List price $264.60
-36% $170.10

In stock.

Add to Cart

• AUX Audio Integration
• For Select 2004 - Up BMW Vehicles

 
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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.

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