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Discontinued Add an Audio Aux Input to Factory Stereo for your 2023 NX350 close

Adding additional functionality to your vehicle is always a good thing. Adding AUX capabilities can be a huge upgrade if you have an older vehicle and are limited just CDs and the stereo. Also many modern vehicle are also getting rid of the AUX input in favor of Bluetooth, but for audiophiles the sound quality is not the same. With these harnesses you can add an an AUX input to your existing car stereo.

Can't find a solution for your vehicle? Take a look at all of our aftermarket car stereos with an Auxiliary input.

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iSimple IS32 Tranzit USB

Universal Car FM Radio Integration for MP3 Players, Smartphones, and Tablets (TranzitUSB)

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Universal Car FM Radio Integration for MP3 Players, Smartphones, and Tablets (TranzitUSB)

• iSimple Tranzit USB In-Car FM Radio Integration Kit
• Play Music and Charge
• Works with Any Car Stereo
• Audio Playback
• Works with Smart Phones, Tablets, and Other Portable Audio Devices
• 3 Installation Configurations
• 3.5mm Audio Input

Universal Icon Universal – fits most vehicles.

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• iSimple Tranzit USB In-Car FM Radio Integration Kit
• Play Music and Charge
• Works with Any Car Stereo
• Audio Playback
• Works with Smart Phones, Tablets, and Other Portable Audio Devices
• 3 Installation Configurations
• 3.5mm Audio Input

Axxess AXUSB

6ft Extension iPod to USB/3.5MM Water Resistant

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6ft Extension iPod to USB/3.5MM Water Resistant

• iPod to USB/3.5MM Extension
• Water Resistant
• 6 feet in length

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• iPod to USB/3.5MM Extension
• Water Resistant
• 6 feet in length

Axxess AX-USB-35EXT

Universal USB + 3.5mm Audio Port with Covered Panel

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Universal USB + 3.5mm Audio Port with Covered Panel

• USB Extension Cable
• Covered Port
• Compatible for Universal Marine Receivers
• USB to 3.5mm Jack

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• USB Extension Cable
• Covered Port
• Compatible for Universal Marine Receivers
• USB to 3.5mm Jack

iSimple Connect GM Smartphone Music Streaming Kit (ISGM651)

Control Your Streaming Music from an Android or iOS Smartphone on Select 2006-2014 GM Factory Radios

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Control Your Streaming Music from an Android or iOS Smartphone on Select 2006-2014 GM Factory Radios

Premium Bluetooth Smartphone Integration for Select 2006-2014 GM Radios • Full control for iPhone: Wirelessly (Bluetooth) or Wired (using customer’s Apple USB cable) • Basic control for Android: Wirelessly (Bluetooth) • USB Thumb-drive support: up to 32GB and up to 8,000 MP3 files

No Fit Icon Doesn't fit your NX350

Premium Bluetooth Smartphone Integration for Select 2006-2014 GM Radios • Full control for iPhone: Wirelessly (Bluetooth) or Wired (using customer’s Apple USB cable) • Basic control for Android: Wirelessly (Bluetooth) • USB Thumb-drive support: up to 32GB and up to 8,000 MP3 files

PAC AB-CHR10

Chrysler, Jeep, Dodge 10 Pin Cable for AUX-BOX2

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Chrysler, Jeep, Dodge 10 Pin Cable for AUX-BOX2

• Chrysler, Jeep, Dodge 10 Pin Cable for AUX-BOX
• Connects to the Aux2Car or iPod2Car

No Fit Icon Doesn't fit your NX350

• Chrysler, Jeep, Dodge 10 Pin Cable for AUX-BOX
• Connects to the Aux2Car or iPod2Car

PAC AAI-TY3

Auxiliary Input Adapter for Select Lexus, Scion and Toyota Factory Radios

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Auxiliary Input Adapter for Select Lexus, Scion and Toyota Factory Radios

• Auxiliary Input Adapter for Select Lexus, Scion and Toyota Factory Radios
• Plug And Play Installation
• Color: Black
• Includes Wiring Harnesses
• Excellent Sound Quality

No Fit Icon Doesn't fit your NX350

• Auxiliary Input Adapter for Select Lexus, Scion and Toyota Factory Radios
• Plug And Play Installation
• Color: Black
• Includes Wiring Harnesses
• Excellent Sound Quality

PAC AAI-CHY

Audio Auxiliary Input Adaptor for Select 2005-up Chrysler/Dodge/Jeep Vehicles

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Audio Auxiliary Input Adaptor for Select 2005-up Chrysler/Dodge/Jeep Vehicles

• Auxiliary Audio Input For Chrysler, Dodge and Jeep Vehicles
• Satellite Or VES Option
• 2 AUX Inputs
• 12V Wire Output
• Adjustable Left/Right Signals

No Fit Icon Doesn't fit your NX350

• Auxiliary Audio Input For Chrysler, Dodge and Jeep Vehicles
• Satellite Or VES Option
• 2 AUX Inputs
• 12V Wire Output
• Adjustable Left/Right Signals

iSimple AuxBox (PXDX)

iSimple Factory Auxiliary Audio Input Interface

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iSimple Factory Auxiliary Audio Input Interface

• Factory Auxiliary Input Interface
• Integrates Audio Source Directly Into Factory Radio
• Direct Audio Inputs For Excellent Sound Quality

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• Factory Auxiliary Input Interface
• Integrates Audio Source Directly Into Factory Radio
• Direct Audio Inputs For Excellent Sound Quality

PAC AB-GM12

GM 12 Pin Cable for AUX-BOX2

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GM 12 Pin Cable for AUX-BOX2

GM 12 Pin Cable for AUX-BOX • Connects to the Aux2Car or iPod2Car

No Fit Icon Doesn't fit your NX350

GM 12 Pin Cable for AUX-BOX • Connects to the Aux2Car or iPod2Car

iSimple Gateway ISGM571

iPod/iPhone Interface Kit for Select 2006-2014 GM 29-BIT Vehicles

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iPod/iPhone Interface Kit for Select 2006-2014 GM 29-BIT Vehicles

• iPod/iPhone Interface Kit
• For Select 2006-2014 GM 29-BIT Vehicles
• Direct Connection for Your iPod/iPhone to Your Factory Radio
• Delivers Digital-Quality Audio
• Display Song, Artist and Album Information on your Factory Radio
• Charge Your iPod/iPhone While You Listen

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No Fit Icon Doesn't fit your NX350

• iPod/iPhone Interface Kit
• For Select 2006-2014 GM 29-BIT Vehicles
• Direct Connection for Your iPod/iPhone to Your Factory Radio
• Delivers Digital-Quality Audio
• Display Song, Artist and Album Information on your Factory Radio
• Charge Your iPod/iPhone While You Listen

iSimple ISFD531

Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2005-2008 Ford Vehicles

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Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2005-2008 Ford Vehicles

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For The Best Sound Quality
• Plug And Play Installation
• Maintains Factory Wiring Integrity

No Fit Icon Doesn't fit your NX350

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For The Best Sound Quality
• Plug And Play Installation
• Maintains Factory Wiring Integrity

PAC AB-GM9

Cable for AUX-BOX2 to GM Vehicles with 9 Pin Factory Harness

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Cable for AUX-BOX2 to GM Vehicles with 9 Pin Factory Harness

Cable connection for PAC AUX-BOX to GM factory units with 9-pin harness • 1996-2002 GM vehicles

No Fit Icon Doesn't fit your NX350

Cable connection for PAC AUX-BOX to GM factory units with 9-pin harness • 1996-2002 GM vehicles

iSimple PXHHD1

Auxiliary Audio Source Integration Harness for Select 1998-2004 Honda Vehicles

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Auxiliary Audio Source Integration Harness for Select 1998-2004 Honda Vehicles

• Vehicle specific Honda harness connects the PXDP or PXDX interface to the CD Changer port on the back of the factory radio
• Converts the factory CD Changer input to a universal audio input

No Fit Icon Doesn't fit your NX350

• Vehicle specific Honda harness connects the PXDP or PXDX interface to the CD Changer port on the back of the factory radio
• Converts the factory CD Changer input to a universal audio input

iSimple ISTY531

Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2004-2011 Lexus, Scion, and Toyota Vehicles

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Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2004-2011 Lexus, Scion, and Toyota Vehicles

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For Best Sound Quality
• Plug And Play Installation Maintains Factory Wiring
• Compatible w/2004-2011 Lexus, Scion, Toyota Vehicles

No Fit Icon Doesn't fit your NX350

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For Best Sound Quality
• Plug And Play Installation Maintains Factory Wiring
• Compatible w/2004-2011 Lexus, Scion, Toyota Vehicles

iSimple PXHCH1

Auxiliary Audio Source Integration Harness for Select 1995-2000 Chrysler, Dodge and Jeep Vehicles

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Auxiliary Audio Source Integration Harness for Select 1995-2000 Chrysler, Dodge and Jeep Vehicles

• Vehicle Specific Chrysler, Dodge and Jeep Harness
• Connects PXDP or PXDX Interface To CD Changer Port
• Converts Factory CD Changer Input To Universal Audio Input

No Fit Icon Doesn't fit your NX350

• Vehicle Specific Chrysler, Dodge and Jeep Harness
• Connects PXDP or PXDX Interface To CD Changer Port
• Converts Factory CD Changer Input To Universal Audio Input

iSimple PXHTY3

Auxiliary Audio Source Integration Harness for Select 1998-2007 Toyota Vehicles

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Auxiliary Audio Source Integration Harness for Select 1998-2007 Toyota Vehicles

• Vehicle Specific Toyota Harness Connects PXDP or PXDX Interface To CD Changer Port
• Converts Factory CD Changer

No Fit Icon Doesn't fit your NX350

• Vehicle Specific Toyota Harness Connects PXDP or PXDX Interface To CD Changer Port
• Converts Factory CD Changer

PAC AB-CHR95

Cable for AUX-BOX2 to connect to 1995-1999 Chrysler, Dodge, Jeep Vehicles

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Cable for AUX-BOX2 to connect to 1995-1999 Chrysler, Dodge, Jeep Vehicles

• Connects To The AUX-BOX
• For 1995-1999 Chrysler, Dodge, And Jeep

No Fit Icon Doesn't fit your NX350

• Connects To The AUX-BOX
• For 1995-1999 Chrysler, Dodge, And Jeep

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(Nucleus NCCH63T)

T-Harness for X2i or X2 Control Module • Wiring for 1995-2000 Chrysler/Dodge/Eagle/Jeep/Plymouth Models

No Fit Icon Doesn't fit your NX350

T-Harness for X2i or X2 Control Module • Wiring for 1995-2000 Chrysler/Dodge/Eagle/Jeep/Plymouth Models

iSimple ISNI531

Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2005-2009 Nissan Vehicles

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Dual Auxiliary Audio Input Interface with Complete Vehicle Harness for Select 2005-2009 Nissan Vehicles

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For Best Sound Quality
• Two Separate Inputs, RCA and 3.5mm Jack

No Fit Icon Doesn't fit your NX350

• Integrates Two Auxiliary Audio Sources Directly To Factory Radio
• For Best Sound Quality
• Two Separate Inputs, RCA and 3.5mm Jack

PAC AB-GM10

Cable for AUX-BOX2 to select 1995-1999 GM Vehicles

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Cable for AUX-BOX2 to select 1995-1999 GM Vehicles

Connection into the AUX-BOX • For 1995-1999 GM vehicles

No Fit Icon Doesn't fit your NX350

Connection into the AUX-BOX • For 1995-1999 GM vehicles

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    FAQ Frequently asked questions in Discontinued Add an Audio Aux Input to Factory Stereo


    Adding an Audio Aux Input to Factory Stereo Frequently Asked Questions (FAQ)
    An audio aux input is a port on your car stereo that allows you to connect an external audio source, such as a smartphone, MP3 player, or tablet. This allows you to play music from your device through your car stereo without having to use a cassette tape or CD.
    There are a few reasons why you might want to add an audio aux input to your factory stereo. First, it allows you to connect to a wider variety of audio sources. Second, it can improve the sound quality of your car stereo. Third, it can be a more convenient way to play music in your car.
    There are a few different ways to add an audio aux input to your factory stereo. One way is to install an aftermarket head unit with an aux input. Another way is to use an auxiliary input adapter. Auxiliary input adapters typically plug into the back of your car stereo and provide a 3.5mm audio jack for connecting external audio sources.
    The benefits of adding an audio aux input to your factory stereo include: The ability to connect to a wider variety of audio sources Improved sound quality More convenient way to play music in your car
    The drawbacks of adding an audio aux input to your factory stereo include: The cost of the auxiliary input adapter or aftermarket head unit The installation process may be difficult for some people The sound quality may not be as good as with a built-in aux input

    All About Discontinued Add an Audio Aux Input to Factory Stereo


    If you're looking for the best way to add an audio aux input to your factory stereo, look no further than Sonic Electronix. We offer a wide selection of high-quality kits to fit all makes and models of cars. Our kits are easy to install and come with everything you need to get started.

    An audio aux input is a great way to listen to your music in your car. With an audio aux input, you can connect your smartphone, MP3 player, or other audio device to your car's stereo and listen to your music through your car's speakers.

    Adding an audio aux input to your factory stereo is a great way to upgrade your car audio system. It's easy to do, and it will give you the ability to listen to your favorite music without having to use the radio.

    Sonic Electronix offers a wide selection of high-quality audio aux input kits to help you add this popular feature to your factory stereo. Our kits are easy to install and come with everything you need to get started.

    Our staff is also available to assist you with choosing the right kit for your needs. Call us today at 1-502-200-8010 to learn more.

    Additional information about Adding an Audio Aux Input to Factory Stereo:

    Audio aux inputs are typically installed in the rear of the car's stereo.

    There are two types of audio aux inputs: wired and wireless. Wired inputs connect to your device using a 3.5mm audio cable, while wireless inputs use Bluetooth.

    Wired inputs are typically less expensive than wireless inputs.

    Wireless inputs are more convenient than wired inputs, but they can be more expensive.

    The advantages of adding an audio aux input to your factory stereo:

    You can listen to your favorite music from your smartphone, MP3 player, or other audio device.

    You can listen to music without having to use the radio.

    You can control the volume and playback of your music from your car's stereo.

    You can add an audio aux input to any car, regardless of the make or model.

    If you are looking for a way to listen to your music in your car, then adding an audio aux input to your factory stereo is a great option. Sonic Electronix offers a wide selection of high-quality kits to fit all makes and models of cars. Our kits are easy to install and come with everything you need to get started.

    Our staff is also available to assist you with choosing the right kit for your needs. Call us today at 1-502-200-8010 to learn more.

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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.