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Factory Stereo Upgrades for your 1995 B4000

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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Explore universal-fit stereo products for your 1995 B4000
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Alpine HRN-TSLA-M3B1

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 SNI-15

45W 1-Channel Line Out Converter

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45W 1-Channel Line Out Converter

• 1-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Maximum Input: 45 watts

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• 1-Channel Line Out Converter
• Designed to integrate with aftermarket or factory OEM systems
• Maximum Input: 45 watts

Axxess AXLOC-CH3

2-Channel 110W Line Output Converter with Gain Controller for select 2011-2020 Journey and Charger and 300 with Non-Amplified Systems

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2-Channel 110W Line Output Converter with Gain Controller for select 2011-2020 Journey and Charger and 300 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 2011-2020 Journey and Charger and 300 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 2011-2020 Journey and Charger and 300 with non-amplified systems

GROM Audio CHRUVL2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2013-2025 vehicles from Ram, Jeep, Dodge (No Touchscreen Support)

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2013-2025 vehicles from Ram, Jeep, Dodge (No Touchscreen Support)

• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2013-2025 vehicles from Ram, Jeep, Dodge
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included
• No touchscreen support

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• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2013-2025 vehicles from Ram, Jeep, Dodge
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Power harnesses, GPS receiver, microphone and USB cable included
• No touchscreen support

Crux RVCMB-78O

Rear-View Integration Interface for select 2007-2024 vehicles from Mercedes-Benz with Command NTG4 and NTG4.5 Systems

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Rear-View Integration Interface for select 2007-2024 vehicles from Mercedes-Benz with Command NTG4 and NTG4.5 Systems

• Rear view backup camera integration interface
• Fits select 2007-2024 vehicles from Mercedes-Benz
• Compatible with NTG4, NTG4-212, and NTG4.5 systems
• Activates the rear-view camera function
• No dealer programming required

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• Rear view backup camera integration interface
• Fits select 2007-2024 vehicles from Mercedes-Benz
• Compatible with NTG4, NTG4-212, and NTG4.5 systems
• Activates the rear-view camera function
• No dealer programming required

PAC AmpPRO 4 AP4-TY11

Toyota Advanced Amplifier Integration For Select 2002 - 2013 Toyota Vehicles with JBL System and Lexus with Premium Amplified Sound Systems

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Toyota Advanced Amplifier Integration For Select 2002 - 2013 Toyota Vehicles with JBL System and Lexus with Premium Amplified Sound Systems

• Simplifies Amplifier Installation
• Prevents Need For Summing and DSP Devices
• Provides Factory Sound System Upgrade Solution

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• Simplifies Amplifier Installation
• Prevents Need For Summing and DSP Devices
• Provides Factory Sound System Upgrade Solution

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Alpine HRN-TSLA-MY1

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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• 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 VOLSCVT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2015-2018 vehicles from Volvo

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2015-2018 vehicles from Volvo

• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2015-2018 vehicles from Volvo
• 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
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• Factory Radio Integration for VLine Infotainment Systems
• Compatible with select 2015-2018 vehicles from Volvo
• 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 LEXGSVT2

Factory Radio Android Auto, Apple CarPlay Video Interface Adapter Upgrade for select 2006 GS430 and GS300

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Factory Radio Android Auto, Apple CarPlay Video Interface Adapter Upgrade for select 2006 GS430 and GS300

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2006 GS430 and GS300
• 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
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• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2006 GS430 and GS300
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

iDataLink Maestro HRN-DSP-VW2 Wiring Harness

Install Aftermarket Amplifier and DSR1 Processor in select 2015-2025 vehicles from Volkswagen

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Install Aftermarket Amplifier and DSR1 Processor in select 2015-2025 vehicles from Volkswagen

• DSP installation harness for select 2015-2025 vehicles from Volkswagen
• Compatible for vehicles without factory amplifiers
• Simplifies installation of DSP and amplifiers
• Can be used with a Maestro DSR1 or AR and a compatible amplifier/DSP

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List price $59.99
-17% $49.99

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• DSP installation harness for select 2015-2025 vehicles from Volkswagen
• Compatible for vehicles without factory amplifiers
• Simplifies installation of DSP and amplifiers
• Can be used with a Maestro DSR1 or AR and a compatible amplifier/DSP

Crux VIMCF-93

Video In-Motion Activation for select 2007-2018 vehicles from Dodge, Jeep, Chrysler with MyGig Systems

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Video In-Motion Activation for select 2007-2018 vehicles from Dodge, Jeep, Chrysler with MyGig Systems

• VIM (Video In-Motion) Activation
• For select 2007-2018 vehicles from Dodge, Jeep, Chrysler
• For vehicles with MyGig systems
• Retains MyGig Navigation system for passenger access
• Plug and play installation

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• VIM (Video In-Motion) Activation
• For select 2007-2018 vehicles from Dodge, Jeep, Chrysler
• For vehicles with MyGig systems
• Retains MyGig Navigation system for passenger access
• Plug and play installation

PAC AmpPRO 4 AP4-TY13

Install an Aftermarket Amplifier to Your Factory Stereo select 2018-2025 vehicles from Toyota

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Install an Aftermarket Amplifier to Your Factory Stereo select 2018-2025 vehicles from Toyota

• Full-range output equalized output with volume control from stock stereo
• Plug and Play installation
• Interface provides 6-channel output to connect aftermarket amplifiers to an existing stock stereo system
• Full balance and fader control from the factory radio
• Dual LED for troubshooting and programming
• Provides amplifier turn on output for external amplifiers
• Can be used in 2-channel / 4-channel / 6-channel modes

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• Full-range output equalized output with volume control from stock stereo
• Plug and Play installation
• Interface provides 6-channel output to connect aftermarket amplifiers to an existing stock stereo system
• Full balance and fader control from the factory radio
• Dual LED for troubshooting and programming
• Provides amplifier turn on output for external amplifiers
• Can be used in 2-channel / 4-channel / 6-channel modes

Crux ACP-WLX

Wireless CarPlay and Android Auto Dongle for Select OEM and Aftermarket Stereos with CarPlay or Android Auto

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Wireless CarPlay and Android Auto Dongle for Select OEM and Aftermarket Stereos with CarPlay or Android Auto

• Wireless CarPlay and Android Auto dongle
• Converts wired CarPlay and Android Auto to wireless
• Works on select OEM and aftermarket stereos with CarPlay or Android Auto
• Easy and hassle-free plug and play installation

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List price $357.00
-36% $229.50

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• Wireless CarPlay and Android Auto dongle
• Converts wired CarPlay and Android Auto to wireless
• Works on select OEM and aftermarket stereos with CarPlay or Android Auto
• Easy and hassle-free plug and play installation

Axxess AXDSPX-GL44

Digital Signal Processor Interface with Pre-Wired Harness for select 2008-2017 vehicles from GMC, Chevrolet, Cadillac

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Digital Signal Processor Interface with Pre-Wired Harness for select 2008-2017 vehicles from GMC, Chevrolet, Cadillac

• DSP interface with pre-wired harness for select 2008-2017 vehicles from GMC, Chevrolet, Cadillac
• Designed for amplified and non-amplified systems
• Can be used with factory and aftermarket radios
• Package includes AXDSP-X interface, vehicle-specific T-harness, bass knob
• Must be installed at the factory stereo location
• Features updatable Micro "B" USB function

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• DSP interface with pre-wired harness for select 2008-2017 vehicles from GMC, Chevrolet, Cadillac
• Designed for amplified and non-amplified systems
• Can be used with factory and aftermarket radios
• Package includes AXDSP-X interface, vehicle-specific T-harness, bass knob
• Must be installed at the factory stereo location
• Features updatable Micro "B" USB function

Axxess AXBUCH-MI

Install or Retain Backup Camera in select 2014-2025 vehicles from Mitsubishi with Navigation

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Install or Retain Backup Camera in select 2014-2025 vehicles from Mitsubishi with Navigation

• Camera retention and add-on harness
• Compatible with select 2014-2025 vehicles from Mitsubishi with Navigation
• Retains the factory backup camera to an aftermarket radio
• Allows an aftermarket camera to be added to the OEM screen

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List price $22.99
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• Camera retention and add-on harness
• Compatible with select 2014-2025 vehicles from Mitsubishi with Navigation
• Retains the factory backup camera to an aftermarket radio
• Allows an aftermarket camera to be added to the OEM screen

Axxess AXDSP-X

Digital Signal Processor with Chime Control and Digital Amp Turn-On

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Digital Signal Processor with Chime Control and Digital Amp Turn-On

• 31-Band graphic EQ
• 6 Inputs, 10 individually assignable outputs
• Complete tuning control via Bluetooth
• Retains voice prompts, parking sensor chimes, and more
• Works with wide range of vehicle application systems

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• 31-Band graphic EQ
• 6 Inputs, 10 individually assignable outputs
• Complete tuning control via Bluetooth
• Retains voice prompts, parking sensor chimes, and more
• Works with wide range of vehicle application systems

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Alpine HRN-TSLA-M3P3

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 HON2VVT2

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

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

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2012-2015 vehicles from Acura
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

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No Fit Icon Doesn't fit your B4000

List price $559.95
$549.95

In stock.

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2012-2015 vehicles from Acura
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

GROM Audio HON3VT2

Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2013-2022 vehicles from Acura, Honda

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Factory Radio Android Auto, Apple CarPlay and Navigation Integration Upgrade for select 2013-2022 vehicles from Acura, Honda

• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2013-2022 vehicles from Acura, Honda
• 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
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• Factory Radio Integration for VLite VT2 Infotainment Systems
• Compatible with select 2013-2022 vehicles from Acura, Honda
• VLine infotainment system in silver metal enclosure
• Android Auto and Apple CarPlay upgrade via USB or wireless
• Supports maps, music, messaging and calls

PAC LPHHD03

Vehicle Specific Audio Integration T-Harness for select 2008-2021 vehicles from Honda, Acura

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Vehicle Specific Audio Integration T-Harness for select 2008-2021 vehicles from Honda, Acura

• 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 2008-2021 vehicles from Honda, Acura with non-amplified systems

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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 2008-2021 vehicles from Honda, Acura 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.

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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!
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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.