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Factory Stereo Upgrades for your 1984 Colony Park

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 AXUSB-HK

USB, HDMI and Auxiliary Replacement Panel for 2015-2020 Vehicles from Hyundai, Kia

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USB, HDMI and Auxiliary Replacement Panel for 2015-2020 Vehicles from Hyundai, Kia

• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2011-2020 vehicles from Hyundai, Kia

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List price $22.99
-13% $19.99

In stock

• USB / HDMI / Auxiliary Replacement Panel
• Replaces the factory USB and auxiliary panel
• Compatible with 2011-2020 vehicles from Hyundai, Kia

Limited time!

Alpine HRN-TSLA-MY2

Installation Harness for PSS-TSLA-MY Audio Upgrade in

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Installation Harness for PSS-TSLA-MY Audio Upgrade in

• Tesla Model Y audio installation harness
• Compatible with
• For use with Alpine PSS-TSLA-MY
• Plug and play to factory connectors

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• Tesla Model Y audio installation harness
• Compatible with
• For use with Alpine PSS-TSLA-MY
• Plug and play to factory connectors

GROM Audio MBUSDB3 Acura and Honda Bluetooth Streaming Kit (GROM-BT3-HON92)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1991-2005 Acura and Honda Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1991-2005 Acura and Honda Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1991-2005 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 1991-2005 Acura and Honda Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

Limited time!

Alpine HRN-TSLA-M3B2

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

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Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

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• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

PAC LP3-2

L.O.C. PRO Series 2-Channel Line Output Converter

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L.O.C. PRO Series 2-Channel Line Output Converter

• 2-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

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List price $39.00
-49% $19.99

In stock

• 2-Channel LOC PRO Series
• 33% Smaller Size Gives More Room For Vital Components
• 55 Watts Per Channel
• Speaker Level Input to RCA Level Output
• Single Dial

GROM Audio VOL01U3 (GROM-USB3-VOL01)

Android and iOS Smartphone Integration for Select 2000-2009 Volvo Vehicles

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Android and iOS Smartphone Integration for Select 2000-2009 Volvo Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 2000-2009 Volvo Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 2000-2009 Volvo Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

PAC LPHVW01

Vehicle Specific Audio Integration T-Harness for select 2001-2017 vehicles from Volkswagen, BMW, MINI

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Vehicle Specific Audio Integration T-Harness for select 2001-2017 vehicles from Volkswagen, BMW, MINI

• T-harness to install an aftermarket amplifier, line-out converter or signal processor
• 4-channels of speaker-level signals from factory radio
• Compatible with PAC LocPro line output converters
• Works with amplifiers and sound processors with speaker-level input
• Compatible for select 2001-2017 vehicles from Volkswagen, BMW, MINI with non-amplified systems

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List price $129.00
-53% $60.00

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• T-harness to install an aftermarket amplifier, line-out converter or signal processor
• 4-channels of speaker-level signals from factory radio
• Compatible with PAC LocPro line output converters
• Works with amplifiers and sound processors with speaker-level input
• Compatible for select 2001-2017 vehicles from Volkswagen, BMW, MINI with non-amplified systems

JL Audio FiX-86 (Like New (Open Box))

6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

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6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

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List price $529.99
-15% $450.49

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• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 6-output channels
• Access four user-adjustable 10-band graphic equalizers
• 30-second single button calibration

JL Audio FiX-82

2-Channel OEM Integration Digital Signal Processor with Automatic Time Integration

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2-Channel OEM Integration Digital Signal Processor with Automatic Time Integration

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 2-output channels
• User adjustable 10-band graphic equalizer
• 30-second single button calibration

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$449.99

In stock

• OEM integration digital signal processor
• 24-bit DSP processor and quad 1/3 octave equalizers
• 8-input and 2-output channels
• User adjustable 10-band graphic equalizer
• 30-second single button calibration

Axxess AXLOC-GM44

2-Channel 110W Line Output Converter with Gain Controller for select 2010-2017 vehicles from Chevrolet, GMC with Non-Amplified Systems

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2-Channel 110W Line Output Converter with Gain Controller for select 2010-2017 vehicles from Chevrolet, GMC 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 2010-2017 vehicles from Chevrolet, GMC with non-amplified systems

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List price $104.99
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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 2010-2017 vehicles from Chevrolet, GMC with non-amplified systems

Limited time!

Alpine HRN-TSLA-M3B3

Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

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Installation Harness for PSS-TSLA-M3B Audio Upgrade in select 2017-2025 Model Y and Model 3 with Base Audio System

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

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List price $350.00
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• Tesla Model 3 audio installation harness
• Compatible with select 2017-2025 Model Y and Model 3
• For vehicles with Base audio system
• For use with Alpine PSS-TSLA-M3B
• Plug and play to factory connectors

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

PAC LP7-4

L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

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L.O.C. PRO Series 4-Channel Line Output Converter with Remote Turn On

&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

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-54% $45.99

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&bull 4-Channel LOC PRO Series
• Remote Turn on Wire
• Single Dial
• Signal-Sensing Circuit
• Surface Mount Construction
• Level Gain Adjustment

Limited time!

Alpine HRN-TSLA-MY3

Installation Harness for PSS-TSLA-MY Audio Upgrade in select 2020-2024 Model Y

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Installation Harness for PSS-TSLA-MY Audio Upgrade in select 2020-2024 Model Y

• Tesla Model Y audio installation harness
• Compatible with select 2020-2024 Model Y
• For use with Alpine PSS-TSLA-MY
• Plug and play to factory connectors

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List price $350.00
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• Tesla Model Y audio installation harness
• Compatible with select 2020-2024 Model Y
• For use with Alpine PSS-TSLA-MY
• Plug and play to factory connectors

GROM Audio BMWSU3 (GROM-USB3-BMWS)

Android and iOS Smartphone Integration for Select 1997-2010 BMW and Mini Vehicles

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Android and iOS Smartphone Integration for Select 1997-2010 BMW and Mini Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1997-2010 BMW and Mini Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1997-2010 BMW and Mini Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

GROM Audio LEXKVT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade Harness for select 2014-2019 vehicles from Lexus

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade Harness for select 2014-2019 vehicles from Lexus

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2014-2019 vehicles from Lexus
• 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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• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2014-2019 vehicles from Lexus
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

PAC AP4-CH21

Amplifier Integration Interface for select 2007-2023 vehicles from Dodge, Jeep, Chrysler with Premium Audio Systems

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Amplifier Integration Interface for select 2007-2023 vehicles from Dodge, Jeep, Chrysler with Premium Audio Systems

• Amplifier integration interface for select 2007-2023 vehicles from Dodge, Jeep, Chrysler
• Vehicle must be equipped with a factory premium system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier
• Delivers switchable 4-volt or 5-volt RMS pre-amp output

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• Amplifier integration interface for select 2007-2023 vehicles from Dodge, Jeep, Chrysler
• Vehicle must be equipped with a factory premium system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier
• Delivers switchable 4-volt or 5-volt RMS pre-amp output

Limited time!

Alpine HRN-TSLA-M3P1

Installation Harness for PSS-TSLA-M3P Audio Upgrade in select 2017-2023 Model 3

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Installation Harness for PSS-TSLA-M3P Audio Upgrade in select 2017-2023 Model 3

• Tesla Model 3 audio installation harness
• Compatible with select 2017-2023 Model 3
• For use with Alpine PSS-TSLA-M3P
• Plug and play to factory connectors

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• Tesla Model 3 audio installation harness
• Compatible with select 2017-2023 Model 3
• For use with Alpine PSS-TSLA-M3P
• Plug and play to factory connectors

GROM Audio VOLSO4 (GROM-MST4-VOLSO4)

Android and iOS Smartphone Integration for Select 2005-2013 Volvo Vehicles with Fiber Optic Radio

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Android and iOS Smartphone Integration for Select 2005-2013 Volvo Vehicles with Fiber Optic Radio

• Android, Bluetooth, iPhone Integration Kit
• Compatible With Select 2005-2013 Volvo
• USB, AUX, Bluetooth, Android, iPod Car Integration
• Android in-car play, charge and control
• Plugs Directly Into Vehicles Harness
• Two EXT ports for AUX-IN, Bluetooth and iPod
• Streaming Audio for Android 4.1 and Above

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• Android, Bluetooth, iPhone Integration Kit
• Compatible With Select 2005-2013 Volvo
• USB, AUX, Bluetooth, Android, iPod Car Integration
• Android in-car play, charge and control
• Plugs Directly Into Vehicles Harness
• Two EXT ports for AUX-IN, Bluetooth and iPod
• Streaming Audio for Android 4.1 and Above

GROM Audio LEX3LVT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2000-2006 vehicles from Lexus, Toyota

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2000-2006 vehicles from Lexus, Toyota

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2000-2006 vehicles from Lexus, Toyota
• 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 2000-2006 vehicles from Lexus, Toyota
• 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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    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!
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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.