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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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Axxess AXDSPX-CH8

Install a DSP and New Amplifier to Factory System in select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager

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Install a DSP and New Amplifier to Factory System in select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager

• Plug and Play T-harness for faster installation
• For select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Can be used with OE and aftermarket radios
• Retains U-Connect voice prompts
• Settings adjusted via Bluetooth in a smart device
• Independent high pass, low pass, and bandpass filters

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List price $572.99
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• Plug and Play T-harness for faster installation
• For select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Can be used with OE and aftermarket radios
• Retains U-Connect voice prompts
• Settings adjusted via Bluetooth in a smart device
• Independent high pass, low pass, and bandpass filters

Dynavin D9-SP-MOST-64GB

10.1" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Wired/Wireless Apple CarPlay and Android Auto for select 2018-2022 Sprinter 3500XD / 2500 / 3500 / 1500 (SiriusXM Ready)

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10.1" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Wired/Wireless Apple CarPlay and Android Auto for select 2018-2022 Sprinter 3500XD / 2500 / 3500 / 1500 (SiriusXM Ready)

• 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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$769.99

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PAC LPHCH41

Vehicle Specific Audio Integration T-Harness for select 2013-2024 vehicles from Ram, Jeep, Dodge

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Vehicle Specific Audio Integration T-Harness for select 2013-2024 vehicles from Ram, Jeep, Dodge

• Amplifier, LOC, and sound processor integration T-harness for select 2013-2024 vehicles from Ram, Jeep, Dodge
• Provides necessary high-level inputs and speaker outputs
• Compatible with non-amplified vehicles with 52-pin connector
• Works with PAC LocPro Advanced LOCs
• Works with amps and sound processors with speaker-level inputs

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List price $129.00
-43% $73.00

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• Amplifier, LOC, and sound processor integration T-harness for select 2013-2024 vehicles from Ram, Jeep, Dodge
• Provides necessary high-level inputs and speaker outputs
• Compatible with non-amplified vehicles with 52-pin connector
• Works with PAC LocPro Advanced LOCs
• Works with amps and sound processors with speaker-level inputs

GROM Audio GMU3 (GROM-USB3-GM)

Android and iOS Smartphone Integration for Select 2006-2014 General Motors Vehicles

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Android and iOS Smartphone Integration for Select 2006-2014 General Motors Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 2006-2014 Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac and Saturn 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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Ships in 10-14 days

Stinger HORIZON12 - SRX-GM14128 for 2014-2019 Silverado/Sierra Trucks

12.8" Direct Fit Stereo Upgrade for select 2014-2019 Silverado 1500 LD / 3500 HD / 1500 / 2500 HD and Sierra 1500 / 2500 HD / 3500 HD. Plug-n-Play Kit with CarPlay, Android Auto, & Touchscreen (SRXGM14128 / GM14RB12)

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12.8" Direct Fit Stereo Upgrade for select 2014-2019 Silverado 1500 LD / 3500 HD / 1500 / 2500 HD and Sierra 1500 / 2500 HD / 3500 HD. Plug-n-Play Kit with CarPlay, Android Auto, & Touchscreen (SRXGM14128 / GM14RB12)

• Single DIN and Double DIN Bluetooth Digital Multimedia Receiver
• 12.8 Capacitive Touchscreen Display
• Wired or Wireless Apple CarPlay and Android Auto Compatible
• Built-in Navigation
• Four (4) sets of 4.5 volts preamp outputs
• 15-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready

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List price $2199.00
-9% $1,999.00

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GROM Audio LEX5LSVT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2007-2009 LX570 and LS460 and LS600hL

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2007-2009 LX570 and LS460 and LS600hL

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2007-2009 LX570 and LS460 and LS600hL
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

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List price $559.95
$549.95

In stock

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2007-2009 LX570 and LS460 and LS600hL
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

Metra BC-DSPX-HD2

DSP Interface with Pre-Wired Harness for

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DSP Interface with Pre-Wired Harness for

• Digital Signal Processor (DSP) Interface and Harness
• Designed to integrate aftermarket amplifier with OEM systems
• All programming done using the Axxess DSP XL app
• 31-band graphic equalizer
• 5-band parametric equalizer per channel
• Designed for

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• Digital Signal Processor (DSP) Interface and Harness
• Designed to integrate aftermarket amplifier with OEM systems
• All programming done using the Axxess DSP XL app
• 31-band graphic equalizer
• 5-band parametric equalizer per channel
• Designed for

AudioControl LC7i PRO

6-Channel 400W Line Out Converter with AccuBASS

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6-Channel 400W Line Out Converter with AccuBASS

• 6-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

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• 6-Channel Line Out Converter
• AccuBASS processing for correction of bass roll-off
AudioControl ACR-1 REMOTE wired bass remote knob included

Crux AVICH-03

Audio/Video Input Kit with HDMI to Composite RCA Adapter for select 2013-2017 vehicles from Ram, Dodge, Jeep

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Audio/Video Input Kit with HDMI to Composite RCA Adapter for select 2013-2017 vehicles from Ram, Dodge, Jeep

• Audio/Video Input Kit for OEM Integration
• For select 2013-2017 vehicles from Ram, Dodge, Jeep
• Provides a composite A/V input to the factory radio
• Includes HDMI to composite adaptor cable for smartphone mirroring
• Easy installation and removal at anytime

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• Audio/Video Input Kit for OEM Integration
• For select 2013-2017 vehicles from Ram, Dodge, Jeep
• Provides a composite A/V input to the factory radio
• Includes HDMI to composite adaptor cable for smartphone mirroring
• Easy installation and removal at anytime

GROM Audio GM1VT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2010-2019 vehicles from Chevrolet, Buick, GMC

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2010-2019 vehicles from Chevrolet, Buick, GMC

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2010-2019 vehicles from Chevrolet, Buick, GMC
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

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List price $559.95
$549.95

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• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2010-2019 vehicles from Chevrolet, Buick, GMC
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

JL Audio LoC-22

2-Channel Active Line Output Converter

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2-Channel Active Line Output Converter

• Active line output converter
• All-analog circuit design
• Adaptable to most OEM amplifier outputs
• Input load switching
• Automatic turn-on function

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• Active line output converter
• All-analog circuit design
• Adaptable to most OEM amplifier outputs
• Input load switching
• Automatic turn-on function

Kicker KISLOC2 (46KISLOC2)

K Series 2-Channel Line Output Converter With 12-Volt Turn-on

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K Series 2-Channel Line Output Converter With 12-Volt Turn-on

• 2-ch speaker-to-RCA converter, LOC
• Compatible with OEM radios that have short circuit protection
• Take as much as 55 watts of input and deliver up to 8 volts of output

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• 2-ch speaker-to-RCA converter, LOC
• Compatible with OEM radios that have short circuit protection
• Take as much as 55 watts of input and deliver up to 8 volts of output

GROM Audio NISCDCB Infiniti and Nissan Bluetooth Streaming Kit (GROM-BT3-NISCDC)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2010 Infiniti and Nissan Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2010 Infiniti and Nissan Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2010 Infiniti and Nissan 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 1999-2010 Infiniti and Nissan Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

Crux AMP-CH5

Factory Amplifier Replacement Interface for select 2013-2017 vehicles from Ram, Dodge, Chrysler

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Factory Amplifier Replacement Interface for select 2013-2017 vehicles from Ram, Dodge, Chrysler

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Axxess AXBUCS-NI246V

Install a New Car Stereo and Retain Steering Wheel Control and Other Features in select 2011-2025 vehicles from Nissan, Chevrolet

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Install a New Car Stereo and Retain Steering Wheel Control and Other Features in select 2011-2025 vehicles from Nissan, Chevrolet

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Crux ACPBM-77Z

Smart-Play Integration with Rear-View Camera Input for select 2008-2025 vehicles from BMW with 6.5", 7", 8.8", and 10.25" Monitor and 4+2 LVDS Connector

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Smart-Play Integration with Rear-View Camera Input for select 2008-2025 vehicles from BMW with 6.5", 7", 8.8", and 10.25" Monitor and 4+2 LVDS Connector

• Smart-Play Integration with Rear Camera Input
• Fits select 2008-2025 vehicles from BMW
• For 6.5", 7", 8.8", and 10.25" Monitor and 4+2 LVDS Connector
• Allows connection of Android and other devices to the iDrive infotainment system
• Adds aftermarket rear-view camera input
• Interactive parking guide lines with calibration function
• Easy and hassle-free plug and play installation

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• Smart-Play Integration with Rear Camera Input
• Fits select 2008-2025 vehicles from BMW
• For 6.5", 7", 8.8", and 10.25" Monitor and 4+2 LVDS Connector
• Allows connection of Android and other devices to the iDrive infotainment system
• Adds aftermarket rear-view camera input
• Interactive parking guide lines with calibration function
• Easy and hassle-free plug and play installation

NVX XLCA2X

2-Channel Line Output Converter Digital Bass Enhancer with xBOOST, Impedance Matching, and Remote Level Control

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2-Channel Line Output Converter Digital Bass Enhancer with xBOOST, Impedance Matching, and Remote Level Control

• 2-Channel Speaker Level Inputs
• Adjustable xBOOST corrects for bass roll-off
• Handles up to 30V (225 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

2+ offers available
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Available Offers (2) for NVX XLCA2X
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List price $129.99
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Used from: $66.65

• 2-Channel Speaker Level Inputs
• Adjustable xBOOST corrects for bass roll-off
• Handles up to 30V (225 watts RMS)
• Provides up to 9.5 Volts of output
• Auto turn-on via DC offset or Audio detection 
• Load selection switch (20, 60, or 20K ohm)
• Wired remote bass level control included
• LED Clip indicator

Limited time!

Kenwood DAX8000S

8" Direct Replacement Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in SiriusXM Ready for select 2011-2022 vehicles from GMC, Chevrolet, Nissan

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8" Direct Replacement Touchscreen Digital Multimedia Receiver with Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in SiriusXM Ready for select 2011-2022 vehicles from GMC, Chevrolet, Nissan

• Direct OEM Replacement Bluetooth Digital Multimedia Receiver for select 2011-2022 vehicles from GMC, Chevrolet, Nissan
• 8" Capacitive Touchscreen Display
• Wireless Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic EQ
• SiriusXM Satellite Radio Ready
• iDatalink Maestro Compatible
• 4 Camera Inputs Function

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• Direct OEM Replacement Bluetooth Digital Multimedia Receiver for select 2011-2022 vehicles from GMC, Chevrolet, Nissan
• 8" Capacitive Touchscreen Display
• Wireless Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic EQ
• SiriusXM Satellite Radio Ready
• iDatalink Maestro Compatible
• 4 Camera Inputs Function

Axxess AXLOC-HN3

2-Channel 110W Line Output Converter with Gain Controller for select 2016-2025 vehicles from Honda with Non-Amplified Systems

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2-Channel 110W Line Output Converter with Gain Controller for select 2016-2025 vehicles from Honda with Non-Amplified Systems

• Active 2-Channel Line Output Converter
• Designed to provide 2-channels of low-level audio
• Includes gain level controller to adjust the overall output
• Compatible with select 2016-2025 vehicles from Honda with non-amplified systems

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• Active 2-Channel Line Output Converter
• Designed to provide 2-channels of low-level audio
• Includes gain level controller to adjust the overall output
• Compatible with select 2016-2025 vehicles from Honda with non-amplified systems

Axxess AXLOC-TY1

2-Channel 110W Line Output Converter with Gain Controller for select 1986-2025 vehicles from Toyota with Non-Amplified Systems

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2-Channel 110W Line Output Converter with Gain Controller for select 1986-2025 vehicles from Toyota with Non-Amplified Systems

• Active 2-Channel Line Output Converter
• Designed to provide 2-channels of low-level audio
• Includes gain level controller to adjust the overall output
• Compatible with select 1986-2025 vehicles from Toyota with non-amplified systems

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• Active 2-Channel Line Output Converter
• Designed to provide 2-channels of low-level audio
• Includes gain level controller to adjust the overall output
• Compatible with select 1986-2025 vehicles from Toyota with non-amplified systems

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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.