PAC APSUB-GM61
Amplifier and Subwoofer Integration Interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac with BOSE Systems
Amplifier and Subwoofer Integration Interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac with BOSE Systems
• Amplifier and subwoofer integration interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac
• Vehicle must be equipped with a factory BOSE system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control
VIP Product Get $29.90 in rewards to spend later
• Amplifier and subwoofer integration interface for select 2014-2021 vehicles from Chevrolet, GMC, Cadillac
• Vehicle must be equipped with a factory BOSE system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control
PAC AP4-GM71
Amplifier Integration Interface Module and T-Harness for select 2019-2025 vehicles from Chevrolet, GMC, Cadillac
Amplifier Integration Interface Module and T-Harness for select 2019-2025 vehicles from Chevrolet, GMC, Cadillac
• Amplifier integration interface for select 2019-2025 vehicles from Chevrolet, GMC, Cadillac
• Vehicle must be amplified and with a factory Bose system
• Provides a 6-channel pre-amp output
• Delivers 5V RMS pre-amp output with bass equalization and level control
VIP Product Get $47.90 in rewards to spend later
• Amplifier integration interface for select 2019-2025 vehicles from Chevrolet, GMC, Cadillac
• Vehicle must be amplified and with a factory Bose system
• Provides a 6-channel pre-amp output
• Delivers 5V RMS pre-amp output with bass equalization and level control
GROM Audio BMWSB3 BMW Bluetooth Streaming Kit (GROM-BT3-BMWS)
Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2006 BMW and Mini Factory Radios
Add Bluetooth Hands Free Calling and Music Streaming to Select 1998-2006 BMW and Mini Factory Radios
• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2006 BMW and Mini Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player
VIP Product Get $18.00 in rewards to spend later
• Hands Free Bluetooth Car Kit
• Compatible With Select 1998-2006 BMW and Mini Vehicles
• Plugs Directly Into Vehicles Harness
• Streaming Audio from your Smartphone or Bluetooth Enabled Music Player
Axxess AXSUB-CH5
Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2014-2026 vehicles from Ram, Jeep, Dodge
Active 2-Channel Line Output Converter and Subwoofer Data Interface for select 2014-2026 vehicles from Ram, Jeep, Dodge
• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2014-2026 vehicles from Ram, Jeep, Dodge
VIP Product Get $20.60 in rewards to spend later
• Line Output Converter and Subwoofer Data Interface
• Integrates with amplified or non-amplified factory OEM systems
• Allows for the addition of an aftermarket subwoofer
• Compatible with select 2014-2026 vehicles from Ram, Jeep, Dodge
Crux WVIFD-02
Wi-Fi Connectivity Integration and Audio/Video Interface for select 2011-2015 vehicles from Ford, Lincoln
Wi-Fi Connectivity Integration and Audio/Video Interface for select 2011-2015 vehicles from Ford, Lincoln
• 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
• 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
JL Audio FiX-86
6-Channel OEM Integration Digital Sound Processor with Automatic Time Correction
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
VIP Product Get $53.00 in rewards to spend later
• 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
Crux AVITY-01
Audio/Video Input Interface with VIM Activation for select 2012-2025 vehicles from Toyota, Lexus, Scion
Audio/Video Input Interface with VIM Activation for select 2012-2025 vehicles from Toyota, Lexus, Scion
• Audio/Video Input Interface with VIM Activation
• For select 2012-2025 vehicles from Toyota, Lexus, Scion
• Compatible with Entune radios
• Retains factory-installed navigation system
• Compatible with iOS and Android devices
• Plug and play converter solution
VIP Product Get $17.01 in rewards to spend later
• Audio/Video Input Interface with VIM Activation
• For select 2012-2025 vehicles from Toyota, Lexus, Scion
• Compatible with Entune radios
• Retains factory-installed navigation system
• Compatible with iOS and Android devices
• Plug and play converter solution
Rockford Fosgate DSR-1
8-Channel Digital Signal Processor with Integrated iDataLink Maestro Module
8-Channel Digital Signal Processor with Integrated iDataLink Maestro Module
• Digital Signal Processing with Integrated Maestro CAN Interface
• Four channel high level inputs with signal sense turn on
• 18 Pin Analog Input and 16 Pin Analog Output Harness
• Interactive Tuning Interface Controlled via Android/iOS APP
VIP Product Get $42.00 in rewards to spend later
• Digital Signal Processing with Integrated Maestro CAN Interface
• Four channel high level inputs with signal sense turn on
• 18 Pin Analog Input and 16 Pin Analog Output Harness
• Interactive Tuning Interface Controlled via Android/iOS APP
Hertz S8 DSP
8-Channel Digital Sound Processor with Automatic Time Correction, Digital Equalizer, and High-Resolution Audio
8-Channel Digital Sound Processor with Automatic Time Correction, Digital Equalizer, and High-Resolution Audio
• 8-Channel Digital Sound Processor
• 7-Band parametric equalizer
• Speaker level (high-level) inputs
• Bluetooth for for added control
• High-resolution audio
• Configurable via S8 DSP application/software
VIP Product Get $42.00 in rewards to spend later
• 8-Channel Digital Sound Processor
• 7-Band parametric equalizer
• Speaker level (high-level) inputs
• Bluetooth for for added control
• High-resolution audio
• Configurable via S8 DSP application/software
NVX XPLOC2
2-Channel 300W Adjustable Line Output Converter with Remote Turn On
2-Channel 300W Adjustable Line Output Converter with Remote Turn On
• 2-Channel Premium Adjustable Line Output Converter
• 3:1 Step Down With Adjustable Output
• 300w Total Maximum Input (150w Per Channel)
• Super Low Distortion
• 2-Channel Premium Adjustable Line Output Converter
• 3:1 Step Down With Adjustable Output
• 300w Total Maximum Input (150w Per Channel)
• Super Low Distortion
PAC AOEM-GM1416
Amplifier Integration Interface for select 2003-2009 Savana 2500 / 1500 / 3500 and H2 with Standard Audio Systems
Amplifier Integration Interface for select 2003-2009 Savana 2500 / 1500 / 3500 and H2 with Standard Audio Systems
• Amplifier integration interface for select 2003-2009 Savana 2500 / 1500 / 3500 and H2
• Not compatible with premium factory amplified systems
• 4-channel RCA output
• Linear 20-20000 Hz sound reproduction
• For use with an aftermarket amplifier
• Amplifier integration interface for select 2003-2009 Savana 2500 / 1500 / 3500 and H2
• Not compatible with premium factory amplified systems
• 4-channel RCA output
• Linear 20-20000 Hz sound reproduction
• For use with an aftermarket amplifier
AudioControl LC1i
2-Channel 400W Line Output Converter
2-Channel 400W Line Output Converter
• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design
• 2-Channel Line Out Converter
• 2 inputs and 2 outputs
• Compact design
JL Audio TwK-88
8-Channel Digital Signal Processor with Digital Remote Controller
8-Channel Digital Signal Processor with Digital Remote Controller
• 8-Channel digital signal processo
• 80 total bands of equalization
• TüN software offers quick input/output setup
• 8 RCA inputs or 1 optical input
• Includes DRC-200 digital remote control
VIP Product Get $58.00 in rewards to spend later
• 8-Channel digital signal processo
• 80 total bands of equalization
• TüN software offers quick input/output setup
• 8 RCA inputs or 1 optical input
• Includes DRC-200 digital remote control
PAC LPHGM71
Vehicle Specific Audio Integration T-Harness for select 2019-2024 vehicles from GMC, Chevrolet
Vehicle Specific Audio Integration T-Harness for select 2019-2024 vehicles from GMC, Chevrolet
• Amplifier, LOC, or sound processor integration T-harness for select 2019-2024 vehicles from GMC, Chevrolet
• Provides necessary high-level inputs and speaker outputs
• Compatible in non-amplified vehicles with non-BOSE system and 2/29 pin connector
• Works with PAC LocPro Advanced LOCs
• Works with amps and sound processors with speaker-level inputs
• Amplifier, LOC, or sound processor integration T-harness for select 2019-2024 vehicles from GMC, Chevrolet
• Provides necessary high-level inputs and speaker outputs
• Compatible in non-amplified vehicles with non-BOSE system and 2/29 pin connector
• Works with PAC LocPro Advanced LOCs
• Works with amps and sound processors with speaker-level inputs
NVX XPLOC4
4-Channel 600W Adjustable Line Output Converter with Remote Turn On
4-Channel 600W Adjustable Line Output Converter with Remote Turn On
• 4-Channel Premium Adjustable Line Output Converter
• 6:1 Step Down With Adjustable Output
• 600w Total Maximum Input (150w Per Channel)
• Super Low Distortion
• 4-Channel Premium Adjustable Line Output Converter
• 6:1 Step Down With Adjustable Output
• 600w Total Maximum Input (150w Per Channel)
• Super Low Distortion
GROM Audio VOLXCO4 (GROM-MST4-VOLXCO4)
Android and iOS Smartphone Integration for Select 2002-2006 Volvo XC90 Fiber Optic Radio
Android and iOS Smartphone Integration for Select 2002-2006 Volvo XC90 Fiber Optic Radio
• Android, Bluetooth, iPhone Integration Kit
• Compatible With Volvo XC90 2002-2006 Stereos
• 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
VIP Product Get $25.00 in rewards to spend later
Axxess AXDSPX-CH8
Install a DSP and New Amplifier to Factory System in select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
Install a DSP and New Amplifier to Factory System in select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
• Plug and Play T-harness for faster installation
• For select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Can be used with OE and aftermarket radios
• Retains U-Connect voice prompts
• Settings adjusted via Bluetooth in a smart device
• Independent high pass, low pass, and bandpass filters
VIP Product Get $51.50 in rewards to spend later
• Plug and Play T-harness for faster installation
• For select 2022-2025 Grand Wagoneer and Grand Wagoneer L and Voyager
• Selectable 31-band graphic EQ or 5-band parametric EQ
• Can be used with OE and aftermarket radios
• Retains U-Connect voice prompts
• Settings adjusted via Bluetooth in a smart device
• Independent high pass, low pass, and bandpass filters
PAC AP4-FD21
Amplifier Integration Interface for select 2011-2025 vehicles from Ford with Premium Sony Audio Systems
Amplifier Integration Interface for select 2011-2025 vehicles from Ford with Premium Sony Audio Systems
• Amplifier integration interface for select 2011-2025 vehicles from Ford
• Vehicle must be equipped with a factory premium Sony system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier
• Delivers switchable 4-volt or 5-volt RMS pre-amp output
VIP Product Get $41.90 in rewards to spend later
• Amplifier integration interface for select 2011-2025 vehicles from Ford
• Vehicle must be equipped with a factory premium Sony system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier
• Delivers switchable 4-volt or 5-volt RMS pre-amp output
PAC APSUB-FD21
Amplifier and Subwoofer Integration Interface for select 2011-2019 vehicles from Ford with Premium Sony Systems
Amplifier and Subwoofer Integration Interface for select 2011-2019 vehicles from Ford with Premium Sony Systems
• Amplifier and subwoofer integration interface for select 2011-2019 vehicles from Ford
• Vehicle must be equipped with a factory premium Sony system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control
VIP Product Get $23.90 in rewards to spend later
• Amplifier and subwoofer integration interface for select 2011-2019 vehicles from Ford
• Vehicle must be equipped with a factory premium Sony system
• Provides 2-channel non-fading output
• For use with an aftermarket amplifier and subwoofer
• Delivers 5V RMS pre-amp output with bass equalization and level control
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
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
VIP Product Get $18.00 in rewards to spend later
• 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
FAQ Frequently asked questions in Factory Stereo Upgrades
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.
We love people and we're ready to help you! See what separates us from our competition.



































