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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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PRV Audio DSP 2.8X TEAM

8-Channel Digital Sound Processor

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8-Channel Digital Sound Processor

• 8-Channel Digital Signal Processor
• Designed to integrate with aftermarket or factory OEM systems
• Integrated LCD display and intuitive interface
• Includes 2 audio inputs and 8 independent outputs
• 15-graphic equalizer with separate parametric equalizers

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List price $137.39
-20% $109.91

In stock

• 8-Channel Digital Signal Processor
• Designed to integrate with aftermarket or factory OEM systems
• Integrated LCD display and intuitive interface
• Includes 2 audio inputs and 8 independent outputs
• 15-graphic equalizer with separate parametric equalizers

NAV-TV M650-GM

6-Channel Audio Integration Interface for select 2010-2025 vehicles from GMC, Chevrolet, Cadillac with Factory BOSE Sound Systems

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6-Channel Audio Integration Interface for select 2010-2025 vehicles from GMC, Chevrolet, Cadillac with Factory BOSE Sound Systems

• 6-channel audio integration interface
• Designed to integrate with factory OEM systems
• 6 channel analog output (Front L/R, Rear L/R, Sub and Center)
• Compatible with select 2010-2025 vehicles from GMC, Chevrolet, Cadillac with factory BOSE audio systems

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List price $660.00
$659.99

In stock.

• 6-channel audio integration interface
• Designed to integrate with factory OEM systems
• 6 channel analog output (Front L/R, Rear L/R, Sub and Center)
• Compatible with select 2010-2025 vehicles from GMC, Chevrolet, Cadillac with factory BOSE audio systems

PAC AmpPRO 4 AP4-GM61

AmpPro for Select GM Vehicles with 20-pin and 8-pin Connectors (MOST50) Audio Output Interface

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AmpPro for Select GM Vehicles with 20-pin and 8-pin Connectors (MOST50) Audio Output Interface

• Factory Sound System Upgrade
• Time Saving Design
• Plug and Play Installation
• Reliable PAC Quality

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List price $549.00
-13% $479.00

In stock

• Factory Sound System Upgrade
• Time Saving Design
• Plug and Play Installation
• Reliable PAC Quality

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 2500 / 3500XD / 1500 / 3500 (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 2500 / 3500XD / 1500 / 3500 (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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GROM Audio VAGTB3 Bentley and VW Bluetooth Streaming Kit (GROM-BT3-VAGT)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2010 Bentley and VW Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2010 Bentley and VW Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2010 Bentley and VW Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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$179.99

In stock

• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2010 Bentley and VW Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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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List price $1450.00
Save $501.00
-35% $949.00

In stock

• 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

GROM Audio GM1CVT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2008-2015 CTS

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2008-2015 CTS

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2008-2015 CTS
• 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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$559.95

Available

Ships in 10-14 days

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2008-2015 CTS
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

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

Available

Ships in 10-14 days

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

In stock

• 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

PAC LPHHD04

Vehicle Specific Audio Integration T-Harness for select 2016-2023 vehicles from Honda

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Vehicle Specific Audio Integration T-Harness for select 2016-2023 vehicles from Honda

• 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 2016-2023 vehicles from Honda with non-amplified systems

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List price $109.00
-46% $58.99

In stock

• 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 2016-2023 vehicles from Honda with non-amplified systems

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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List price $713.99
-10% $641.99

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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

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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List price $51.99
-12% $45.99

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Only 3 Left!

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

GROM Audio LEX6VT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2010-2013 vehicles from Lexus, Toyota

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2010-2013 vehicles from Lexus, Toyota

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2010-2013 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
-23% $429.99

Available

Ships in 10-14 days

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2010-2013 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

Limited time!

NVX XFLOC4

4-Channel 160W Adjustable Line Output Converter with Remote Turn On

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4-Channel 160W Adjustable Line Output Converter with Remote Turn On

• 3:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• 160w Maximum Input Total (40w Per Channel)

Purchase $400 or More of NVX and Save 15%!
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List price $23.74
-7% $21.99

In stock

Used from: $13.99 Like New from: $18.69

• 3:1 Step Down With Adjustable Output
• DC Amplifier Turn On Trigger
• 160w Maximum Input Total (40w Per Channel)

Dynavin D9-V8-64GB

8" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 2003-2019 vehicles from Volkswagen (SiriusXM Ready)

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8" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 2003-2019 vehicles from Volkswagen (SiriusXM Ready)

• Custom Fit In-Dash Bluetooth Digital Multimedia Receiver
• 8" 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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$799.99

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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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List price $331.80
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• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

GROM Audio Lexus and Toyota Smartphone Music Streaming Kit (GROM-USB3-TOY1 BTD)

Control Your Streaming Music from an Android or iOS Smartphone on Select 1998-2012 Lexus and Toyota Factory Radios

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Control Your Streaming Music from an Android or iOS Smartphone on Select 1998-2012 Lexus and Toyota Factory Radios

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With Select 1998-2012 Lexus and Toyota 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 1998-2012 Lexus and Toyota Stereos
• Optional 3.5mm AUX and Bluetooth
• Streaming Audio for Android 4.1 and Above

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 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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List price $839.95
-57% $359.99

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Only 2 Left!

• 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

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

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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.

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    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

    Add vehicle
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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.