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Factory Stereo Upgrades

Go beyond factory limitations, eliminate "baked-in" equalization, and add the power your system’s been missing when you shop for specialized OEM integration tools at Sonic Electronix.


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Crux AVINS-07

Audio/Video Input Interface with VIM Activation for select 2014-2025 vehicles from Nissan

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Audio/Video Input Interface with VIM Activation for select 2014-2025 vehicles from Nissan

• Audio/Video Input Interface with VIM Activation
• For select 2014-2025 vehicles from Nissan
• Provides a composite A/V input
• Includes HDMI to composite adaptor cable
• Plug and play connection

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List price $264.60
-36% $170.10

In stock.

• Audio/Video Input Interface with VIM Activation
• For select 2014-2025 vehicles from Nissan
• Provides a composite A/V input
• Includes HDMI to composite adaptor cable
• Plug and play connection

GROM Audio MBUSB3 Acura and Honda Bluetooth Streaming Kit (GROM-BT3-MBUS)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2011 Acura and Honda Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2011 Acura and Honda Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2011 Acura and Honda Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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$179.99

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• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2011 Acura and Honda Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

Axxess AXDSPX-TES1

Install a DSP and New Amplifier to Factory System in select 2021-2026 Model S and Model X and Model Y

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Install a DSP and New Amplifier to Factory System in select 2021-2026 Model S and Model X and Model Y

• Plug and Play T-harness for faster installation
• For select 2021-2026 Model S and Model X and Model Y
• Designed for Tesla amplified systems
• Can be used with factory and aftermarket radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

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List price $519.99
-23% $399.99

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• Plug and Play T-harness for faster installation
• For select 2021-2026 Model S and Model X and Model Y
• Designed for Tesla amplified systems
• Can be used with factory and aftermarket radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

iDataLink Maestro HRN-AR-HK3 Wiring Harness

Install Maestro AR Module and Replace Factory Amplifier in select 2014-2025 vehicles from Hyundai, Kia

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Install Maestro AR Module and Replace Factory Amplifier in select 2014-2025 vehicles from Hyundai, Kia

• Amplifier replacement harness for select 2014-2025 vehicles from Hyundai, Kia
• Works with DSP with dedicated SPDIF input
• Includes harnesses needed to install Maestro AR module
• Plug-n-play, easy installation

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List price $43.99
-20% $34.99

In stock

• Amplifier replacement harness for select 2014-2025 vehicles from Hyundai, Kia
• Works with DSP with dedicated SPDIF input
• Includes harnesses needed to install Maestro AR module
• Plug-n-play, easy installation

Limited time!

AudioControl LC8i

8-Channel 400W Line Output Converter with Auxiliary Input

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8-Channel 400W Line Output Converter with Auxiliary Input

• 8-Channel Line Out Converter
• Auxiliary input for iPod, satellite radio, or other audio sources
• Dash control for subwoofer level, auxiliary volume, and source selection

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List price $459.00
Save $290.00
-63% $169.00

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• 8-Channel Line Out Converter
• Auxiliary input for iPod, satellite radio, or other audio sources
• Dash control for subwoofer level, auxiliary volume, and source selection

Dynavin D9-MST2015H-64GB

10.1" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 2015-2026 Mustang and Mustang Mach-E and Mustang GTD (SiriusXM Ready)

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10.1" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 2015-2026 Mustang and Mustang Mach-E and Mustang GTD (SiriusXM Ready)

• Replaces the 8" factory screen with a 10" touchscreen
• Custom Fit In-Dash Bluetooth Digital Multimedia Receiver
• 10.1" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• Built-in Navigation
• 3 sets of 3 volts preamp outputs
• 16-Band Parametric Equalizer
• SiriusXM Satellite Radio Ready
• Integrated CANBUS for steering wheel controls

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$899.99

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GROM Audio TOYFU3 (GROM-USB3-TOYF)

Android and iOS Smartphone Integration for Select 1999 - 2003 Lexus Vehicles

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Android and iOS Smartphone Integration for Select 1999 - 2003 Lexus Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1999-2003 Lexus Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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$174.99

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Crux RFM-UC1

Multi-View Integration Interface with A/V Input for select 2013-2017 vehicles from Ram, Jeep, Dodge with Uconnect 8.4" Systems

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Multi-View Integration Interface with A/V Input for select 2013-2017 vehicles from Ram, Jeep, Dodge with Uconnect 8.4" Systems

• Multi-View Integration Interface with A/V Input
• Fits select 2013-2017 vehicles from Ram, Jeep, Dodge
• For vehicles with Uconnect 8.4" systems
• Adds a reverse camera, video, and audio/video input
• Easy and hassle-free plug and play installation

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List price $554.40
-36% $356.40

In stock.

• Multi-View Integration Interface with A/V Input
• Fits select 2013-2017 vehicles from Ram, Jeep, Dodge
• For vehicles with Uconnect 8.4" systems
• Adds a reverse camera, video, and audio/video input
• Easy and hassle-free plug and play installation

Axxess AXDSPX-GM32

Install a DSP and New Amplifier to Factory System in select 2021-2024 vehicles from GMC, Chevrolet, Buick

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Install a DSP and New Amplifier to Factory System in select 2021-2024 vehicles from GMC, Chevrolet, Buick

• Plug and Play T-harness for faster installation
• For select 2021-2024 vehicles from GMC, Chevrolet, Buick
• Designed for non-amplified systems
• Can be used with factory and aftermarket radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

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List price $593.99
-10% $533.99

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• Plug and Play T-harness for faster installation
• For select 2021-2024 vehicles from GMC, Chevrolet, Buick
• Designed for non-amplified systems
• Can be used with factory and aftermarket radios
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Settings adjusted via Bluetooth in a smart device
• Selectable high pass, low pass, or bandpass filters

iDataLink Maestro HRN-AR-FO2 Wiring Harness

Install New Amplifier and Connect Maestro AR Module in select 2011-2025 vehicles from Ford

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Install New Amplifier and Connect Maestro AR Module in select 2011-2025 vehicles from Ford

• Amplifier replacement harness for select 2011-2025 vehicles from Ford
• Compatible with Ford vehicles with 8" "My Ford Touch" stereo and Sony amplifier
• Includes all necessary wiring to install Maestro AR module
• Plug-n-play, easy installation

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List price $61.99
-19% $49.99

In stock

• Amplifier replacement harness for select 2011-2025 vehicles from Ford
• Compatible with Ford vehicles with 8" "My Ford Touch" stereo and Sony amplifier
• Includes all necessary wiring to install Maestro AR module
• Plug-n-play, easy installation

Axxess AXSUB-GM5

Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2021-2024 vehicles from GMC, Chevrolet, Buick

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Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2021-2024 vehicles from GMC, Chevrolet, Buick

• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2021-2024 vehicles from GMC, Chevrolet, Buick

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List price $228.99
-10% $205.99

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• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2021-2024 vehicles from GMC, Chevrolet, Buick

GROM Audio LEX4VL2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2004-2007 vehicles from Lexus, Toyota

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2004-2007 vehicles from Lexus, Toyota

• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2004-2007 vehicles from Lexus, Toyota
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included

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$679.95

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• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2004-2007 vehicles from Lexus, Toyota
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included

PAC APSUB-TY13

Amplifier and Subwoofer Integration Interface for select 2018-2021 vehicles from Toyota, Lexus

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Amplifier and Subwoofer Integration Interface for select 2018-2021 vehicles from Toyota, Lexus

• Amplifier and subwoofer integration interface for select 2018-2021 vehicles from Toyota, Lexus
• Vehicle must be equipped with a factory JBL system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control

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List price $329.00
-27% $239.00

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• Amplifier and subwoofer integration interface for select 2018-2021 vehicles from Toyota, Lexus
• Vehicle must be equipped with a factory JBL system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control

PAC NU-GM51

Navigation Unlock Interface for select 2010-2025 vehicles from Chevrolet, GMC, Cadillac

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Navigation Unlock Interface for select 2010-2025 vehicles from Chevrolet, GMC, Cadillac

• Navigation Unlock Interface
• Allows for access to factory navigation and Bluetooth features
• Compatible with select 2010-2025 vehicles from Chevrolet, GMC, Cadillac with 8" MyLink / CUE Radio

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-53% $366.99

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• Navigation Unlock Interface
• Allows for access to factory navigation and Bluetooth features
• Compatible with select 2010-2025 vehicles from Chevrolet, GMC, Cadillac with 8" MyLink / CUE Radio

GROM Audio Infiniti and Nissan Smartphone Music Streaming Kit (GROM-USB3-NIS02 BTD)

Control Your Streaming Music from an Android or iOS Smartphone on Select 2003-2015 Infiniti and Nissan Factory Radios

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Control Your Streaming Music from an Android or iOS Smartphone on Select 2003-2015 Infiniti and Nissan Factory Radios

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With 2003-2015 Infiniti and Nissan Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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$238.99

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• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With 2003-2015 Infiniti and Nissan Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

Axxess AXBUCH6V-HK2

Install a New Car Stereo and Retain Backup Camera in select 2013-2018 vehicles from Hyundai, Kia

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Install a New Car Stereo and Retain Backup Camera in select 2013-2018 vehicles from Hyundai, Kia

• Camera retention harness
• Compatible with select 2013-2018 vehicles from Hyundai, Kia
• Retains the factory backup camera to an aftermarket radio

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List price $52.99
-11% $46.99

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• Camera retention harness
• Compatible with select 2013-2018 vehicles from Hyundai, Kia
• Retains the factory backup camera to an aftermarket radio

GROM Audio HON2VVL2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2012-2015 vehicles from Acura

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2012-2015 vehicles from Acura

• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2012-2015 vehicles from Acura
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included

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$679.95

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• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2012-2015 vehicles from Acura
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included

Crux RFM-GM29

Multi-View Integration Interface for select 2007-2014 Savana 2500 / 3500 / 1500 and H2 and Outlook

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Multi-View Integration Interface for select 2007-2014 Savana 2500 / 3500 / 1500 and H2 and Outlook

• Multi-view camera integration interface
• Fits select 2007-2014 Savana 2500 / 3500 / 1500 and H2 and Outlook
• Adds a reverse camera input plus 6 more video inputs
• Ability to toggle from back-up camera to cargo camera and trailer camera

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List price $554.40
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In stock.

• Multi-view camera integration interface
• Fits select 2007-2014 Savana 2500 / 3500 / 1500 and H2 and Outlook
• Adds a reverse camera input plus 6 more video inputs
• Ability to toggle from back-up camera to cargo camera and trailer camera

Crux RFM-MG1

Multi-View Integration Interface with A/V Input for select 2007-2017 vehicles from Dodge, Jeep, Chrysler with MyGig Stereos

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Multi-View Integration Interface with A/V Input for select 2007-2017 vehicles from Dodge, Jeep, Chrysler with MyGig Stereos

• Multi-View Integration Interface with A/V Input
• Fits select 2007-2017 vehicles from Dodge, Jeep, Chrysler
• For vehicles with MyGig stereos
• Adds a reverse camera input, 6 video plus 1 audio/video input
• Easy and hassle-free plug and play installation

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List price $554.40
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• Multi-View Integration Interface with A/V Input
• Fits select 2007-2017 vehicles from Dodge, Jeep, Chrysler
• For vehicles with MyGig stereos
• Adds a reverse camera input, 6 video plus 1 audio/video input
• Easy and hassle-free plug and play installation

GROM Audio MAZU3

USB, Bluetooth, and AUX Integration Adapter Kit for select 2002-2008 vehicles from Mazda

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USB, Bluetooth, and AUX Integration Adapter Kit for select 2002-2008 vehicles from Mazda

• USB Integration Adapter Kit for select 2002-2008 vehicles from Mazda
• Play music stored on USB stick, or via USB from iPhone
• Plug and play installation
• Control media from stereo or steering wheel
• Track information and text on select stereos

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    FAQ Frequently asked questions in Factory Stereo Upgrades


    Yes, you can upgrade your car's factory stereo without voiding the warranty, as long as the installation is done correctly and with compatible aftermarket accessories. Many car manufacturers understand that customers may want to personalize their audio systems, and they allow aftermarket upgrades that do not interfere with the vehicle's essential functions. To avoid any warranty issues, it is essential to choose reputable upgrade accessories from trusted brands. Additionally, consider using professional installation services or following the manufacturer's recommended guidelines when installing the upgrade components. By taking these precautions, you can enjoy an improved audio experience without affecting your car's warranty coverage.
    Yes, upgrading your factory stereo with high-quality accessories can significantly improve sound quality. Factory stereos are often designed to meet cost considerations, resulting in average audio performance. Aftermarket accessories, on the other hand, are built with audio excellence in mind, offering better sound clarity, increased power output, and improved bass response. Upgrading speakers and adding amplifiers can enhance audio reproduction and provide a richer, more balanced sound. Additionally, advanced head units with features like equalizers, sound processors, and digital signal processing can fine-tune the audio output to match your preferences and optimize the sound for your vehicle's interior acoustics. Overall, a well-planned factory stereo upgrade can transform your car's audio system into a premium audio experience.
    Factory stereo upgrade accessories are available for a wide range of car models, but compatibility can vary depending on the vehicle's make and year. It is essential to check the specifications and compatibility of each accessory with your car's make and model before making a purchase. Many reputable manufacturers provide compatibility information on their websites or packaging, making it easier to select the right accessories for your car. Additionally, consider consulting with a car audio specialist or using online resources to find accessories that are confirmed to be compatible with your specific vehicle. By ensuring compatibility, you can enjoy a seamless installation and optimal performance from the upgrade accessories.
    The ability to install factory stereo upgrade accessories yourself depends on your experience and comfort level with car audio installations. Some upgrades, such as replacing speakers or installing a new head unit, may be relatively straightforward for individuals with basic automotive DIY skills. However, certain upgrades, like adding amplifiers or integrating advanced sound processors, can be more complex and may require technical expertise. If you are unsure about the installation process or want to ensure a professional and polished result, it is recommended to seek professional installation services. Professional installers have the necessary tools, knowledge, and experience to perform the upgrade correctly and efficiently, avoiding potential issues and ensuring optimal performance from the upgraded accessories.
    Yes, but it often requires a specialized interface. Premium systems (like Bose or Lexicon) usually use a factory amplifier that sends processed signals to the speakers. To add a sub, you typically need an LOC that can handle high-voltage input or a vehicle-specific T-harness that taps into the signal before it reaches the factory amp.
    High-quality interfaces from brands like PAC or iDatalink are designed to communicate with the vehicle's CAN-bus system. They provide a "Remote Turn-On" lead for your aftermarket amplifiers, ensuring they only power up when the vehicle is on or the radio is active, preventing parasitic battery drain.
    Some modern vehicles (particularly those from Chrysler, Dodge, Jeep, and RAM) perform a "load test" on the speaker outputs. If you disconnect the factory speakers to add an amplifier, the car may think the speakers are blown and mute the audio output entirely. A load-generating device mimics the electrical resistance of a speaker, "tricking" the factory system into operating normally.

    All About

    Factory Stereo Upgrades

    When you want to add subwoofers or high-end speakers to a factory system, you need more than just a standard wire splice. Our selection of factory stereo upgrade components ensures that your new gear communicates perfectly with your vehicle’s existing computer systems.

    Line Output Converters (LOCs)

    Line output converters (LOCs) take the high-level signal meant for your factory speakers and convert it into a low-level RCA signal that an aftermarket amplifier can use.
    We carry everything from basic two-channel converters to advanced units from brands like AudioControl, which feature "AccuBASS" to counteract the bass roll-off often programmed into factory stereos.

    Digital Signal Processors (DSP)

    Factory radios are often tuned to protect cheap paper speakers, resulting in a "flat" or muddy sound. A Digital signal processor (DSP) allows you to take complete control of your acoustic environment.

    By using a DSP, you can sum signals, eliminate factory EQ curves, and adjust time alignment so that the music reaches your ears perfectly, regardless of where the speakers are placed.

    Vehicle-Specific Interfaces & Harnesses

    Cutting into your factory wiring can void warranties and cause electrical headaches. We offer plug-and-play harnesses and interfaces from leaders like iDatalink Maestro and PAC.

    These modules allow you to add aftermarket amplifiers while retaining steering wheel controls, factory chimes, and even OnStar or SYNC features.

    Why Upgrade Your Factory System?

    By integrating high-quality aftermarket amplifiers and speakers into your existing setup, you gain:

    • Increased Headroom: Play music louder without distortion
    • Full Range Sound: Restore the deep low-end frequencies that factory systems often filter out to protect small speakers
    • OEM Aesthetics: Keep your interior looking exactly as the manufacturer intended while enjoying a "stealth" high-end audio system

    The Sonic Electronix Advantage

    Choosing the right integration part can be complex given the variety of vehicle trims and "premium" sound packages (like Bose, Sony, or Harman Kardon). At Sonic Electronix, we take the guesswork out of the process.

    Our Fit Finder is the industry standard for ensuring compatibility. When you shop with us, you aren't just buying a part; you're gaining access to our expert support team and our massive inventory of the latest car audio technology. We offer competitive pricing, fast shipping, and the technical knowledge required to help you build the system of your dreams.

    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage

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    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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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.