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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-BMWM25

Install a New Amplifier to Factory System in select 2010-2025 vehicles from BMW with MOST Amplifier

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Install a New Amplifier to Factory System in select 2010-2025 vehicles from BMW with MOST Amplifier

• Plug and Play T-harness for faster installation
• For select 2010-2025 vehicles from BMW
• Designed for MOST amplified sound systems
• 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 $708.99
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• Plug and Play T-harness for faster installation
• For select 2010-2025 vehicles from BMW
• Designed for MOST amplified sound systems
• 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

Crux BEEBM-45R

Bluetooth® Connectivity Kit For select 1998-2006 BMW Factory Radios (iBus Version II)

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Bluetooth® Connectivity Kit For select 1998-2006 BMW Factory Radios (iBus Version II)

• Bluetooth Version 2.1 Connectivity for select 1998-2006 BMW Vehicles (iBus version II)
• Allows calls to be heard through the factory-installed sound system
• Answer and end calls using the steering wheel controls (SWC)
• A2DP Bluetooth Profile to stream music
• Make calls using voice dialing feature
• Dimension: 5" L x 2.5" W x 8.8" H

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List price $337.95
-59% $139.99

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• Bluetooth Version 2.1 Connectivity for select 1998-2006 BMW Vehicles (iBus version II)
• Allows calls to be heard through the factory-installed sound system
• Answer and end calls using the steering wheel controls (SWC)
• A2DP Bluetooth Profile to stream music
• Make calls using voice dialing feature
• Dimension: 5" L x 2.5" W x 8.8" H

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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$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

Stinger HORIZON12 - SRX-JK11128 for 2011-2018 Wrangler JK

12.8" Direct Fit Stereo Upgrade for select 2011-2018 vehicles from Jeep. Plug-n-Play Kit with CarPlay, Android Auto, & Touchscreen (SRXJK11128 / JK11RB12)

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12.8" Direct Fit Stereo Upgrade for select 2011-2018 vehicles from Jeep. Plug-n-Play Kit with CarPlay, Android Auto, & Touchscreen (SRXJK11128 / JK11RB12)

• Direct OEM Replacement In-Dash Bluetooth Digital Multimedia Receiver and Installation Dash Kit
• 12.8 Capacitive Touchscreen Display
• Wired and wireless Apple CarPlay and Android Auto compatible
• 4 sets of 4.5 volts preamp outputs
• 15-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready
• Compatible with select 2011-2018 vehicles from Jeep

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List price $2199.00
-9% $1,999.00

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Axxess AXLOC-VW2

2-Channel 110W Line Output Converter with Gain Controller for select 2015-2025 vehicles from Volkswagen with Non-Amplified Systems

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2-Channel 110W Line Output Converter with Gain Controller for select 2015-2025 vehicles from Volkswagen 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 2015-2025 vehicles from Volkswagen 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 2015-2025 vehicles from Volkswagen with non-amplified systems

Crux WVI-H

Wi-Fi Connectivity Integration and Audio/Video Interface for

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Wi-Fi Connectivity Integration and Audio/Video Interface for

• Enables wireless audio/video mirroring
• Accepts dual band (5GHz and 2.4GHz) Wi-Fi capability
• Uses your smartphone virtual remote control via Wi-Fi
• Provides an AV input which can also be used to add a camera

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• Enables wireless audio/video mirroring
• Accepts dual band (5GHz and 2.4GHz) Wi-Fi capability
• Uses your smartphone virtual remote control via Wi-Fi
• Provides an AV input which can also be used to add a camera

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

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• 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

Dynavin D9-E46-64GB

7" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 1998-2006 vehicles from BMW (SiriusXM Ready)

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7" Custom-Fit Touchscreen Digital Multimedia Receiver with Bluetooth, Apple CarPlay and Android Auto for select 1998-2006 vehicles from BMW (SiriusXM Ready)

• Compatible with Business CD units
• Custom Fit In-Dash Bluetooth Digital Multimedia Receiver
• 7" Capacitive Touchscreen Display
• Apple CarPlay and Android Auto Compatible
• Built-in Navigation
• 3 sets of 3 volts preamp outputs
• 16-Band Parametric EQ
• SiriusXM Satellite Radio Ready
• Integrated CANBUS for steering wheel controls

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$799.99

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GROM Audio TOYFB3 Lexus Bluetooth Streaming Kit (GROM-BT3-TOYF)

Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2003 Lexus Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 1999-2003 Lexus Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 1999-2003 and Lexus 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 1999-2003 and Lexus Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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

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

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• 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

PAC SNI-35

50W Peak Variable LOC

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50W Peak Variable LOC

• Adjustable Line Output Converter
• Utilize Audio Transformer for Noise Isolation
• Compatible with 2 - 40 watts RMS of Radio Output

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• Adjustable Line Output Converter
• Utilize Audio Transformer for Noise Isolation
• Compatible with 2 - 40 watts RMS of Radio Output

PAC CAM-GM51

Reverse Camera Retention Harness For Select 2014 - 2017 GM Vehicles

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Reverse Camera Retention Harness For Select 2014 - 2017 GM Vehicles

• Plug and Play Connection Harness
• For Use When Replacing the Radio<
• Retains Reverse Camera when Installing New Radio
• Male RCA Video Output Connection

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List price $39.00
-49% $19.99

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• Plug and Play Connection Harness
• For Use When Replacing the Radio<
• Retains Reverse Camera when Installing New Radio
• Male RCA Video Output Connection

GROM Audio MBUSU3 (GROM-USB3-MBUS)

Android and iOS Smartphone Integration for Select 1997-2012 Acura and Honda Vehicles

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Android and iOS Smartphone Integration for Select 1997-2012 Acura and Honda Vehicles

• Android, Bluetooth, iPhone, iPod Integration Kit
• Compatible With 1997-2012 Acura and Honda 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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Kenwood eXcelon DAX1050XR

10.1" Direct Replacement Floating Touchscreen Digital Multimedia Receiver with Wi-Fi, Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in SiriusXM Ready for select 2011-2023 vehicles from Jeep, Ford

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10.1" Direct Replacement Floating Touchscreen Digital Multimedia Receiver with Wi-Fi, Bluetooth, Wireless Apple CarPlay and Android Auto, and Built-in SiriusXM Ready for select 2011-2023 vehicles from Jeep, Ford

• Direct OEM Replacement Bluetooth Digital Multimedia Receiver for select 2011-2023 vehicles from Jeep, Ford
• 10.1" Capacitive Touchscreen Display
• Wireless Apple CarPlay and Android Auto Compatible
• 3 sets of 4 volts preamp outputs
• 13-Band Graphic Equalizer
• SiriusXM Satellite Radio Ready
• iDatalink Maestro Compatible
• Built-in Bluetooth, HD Radio, and Wi-Fi
• 4 Camera Inputs Function

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List price $1950.00
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AudioControl LC1i

2-Channel 400W Line Output Converter

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2-Channel 400W Line Output Converter

• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design

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• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design

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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GROM Audio CHR02B3 Bluetooth Streaming Kit (GROM-BT3-CHR02)

Add Bluetooth Hands Free Calling and Music Streaming to Select 2002-2007 Chrysler, Dodge and Jeep Factory Radios

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Add Bluetooth Hands Free Calling and Music Streaming to Select 2002-2007 Chrysler, Dodge and Jeep Factory Radios

• Hands Free Bluetooth Car Kit
• Compatible With Select 2002-2007 Chrysler, Dodge and Jeep Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

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• Hands Free Bluetooth Car Kit
• Compatible With Select 2002-2007 Chrysler, Dodge and Jeep Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player

Axxess AXDSPX-FD3

Install a DSP and New Amplifier to Factory System in select 2020-2025 vehicles from Ford

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Install a DSP and New Amplifier to Factory System in select 2020-2025 vehicles from Ford

• Plug and Play T-harness for faster installation
• For select 2020-2025 vehicles from Ford
• 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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• Plug and Play T-harness for faster installation
• For select 2020-2025 vehicles from Ford
• 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

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)

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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)

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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.
    There is a wide range of factory stereo upgrade accessories available to enhance your car's audio system. Common upgrade accessories include aftermarket head units with advanced features like touchscreen displays, Bluetooth connectivity, and smartphone integration through Apple CarPlay and Android Auto. Upgrading speakers with higher-quality aftermarket options can significantly improve sound clarity and bass response. For audiophiles, adding amplifiers can provide more power to the speakers, resulting in a more immersive sound experience. Additionally, sound processors and equalizers can fine-tune audio settings to match your preferences and vehicle's acoustics. Various mounting kits and wiring harnesses are also available to ensure a seamless and secure installation.
    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.

    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.