DS18 QHL4
4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator
4-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator
• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator
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• 4-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator
Kicker PXAPT (48PXAPT)
DSP Programming Adapter for Kicker PXA Multi-Channel Amplifiers
DSP Programming Adapter for Kicker PXA Multi-Channel Amplifiers
• DSP Programming Adapter
• Designed for Kicker PXA multi-channel amplifiers (Sold separately)
• Connects to the Kicker Powersports Tune (KPT) software
• Equalizer and HPF/LPF crossover control
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• DSP Programming Adapter
• Designed for Kicker PXA multi-channel amplifiers (Sold separately)
• Connects to the Kicker Powersports Tune (KPT) software
• Equalizer and HPF/LPF crossover control
DS18 MTLOC6
6-Channel High-to-Low Line Output Converter with Bass Remote
6-Channel High-to-Low Line Output Converter with Bass Remote
• 6-Channel line output converter
• 2/6-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection
• Dash remote bass level control included
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• 6-Channel line output converter
• 2/6-Channel input configurations
• Auto turn-on (Audio / DC / Remote)
• Anodized aluminum housing with noise protection
• Dash remote bass level control included
Axxess AXDSPX-WR
10-Channel Digital Signal Processor with Water-Resistant Case
10-Channel Digital Signal Processor with Water-Resistant Case
• 31-band graphic EQ or 5-band Parametric EQ
• 6 inputs and 10 individually assignable outputs
• Water-resistant enclosure with zip tie mounts included
• Designed for amplified and non-amplified models
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• 31-band graphic EQ or 5-band Parametric EQ
• 6 inputs and 10 individually assignable outputs
• Water-resistant enclosure with zip tie mounts included
• Designed for amplified and non-amplified models
DS18 QHL2
2-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator
2-Channel Lossless Line Output Converter with Auto Turn-on and Speaker Emulator
• 2-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator
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• 2-Channel lossless audio line output converter
• Lossless audio, double step down ratio
• Compact size with level matching controls (High/Low)
• Selectable auto turn-on remote out
• Features noise rejection and speaker emulator
DS18 DBPX200
Digital Bass Processor with Signal Converter and Speaker Emulator
Digital Bass Processor with Signal Converter and Speaker Emulator
• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Load Select: 20-ohm / 60-ohm / 20000-ohm
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V
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• Digital Bass Restoration Processor
• Bass remote level control with LED clip
• Compact size for easy installation
• Surface mount component technology
• 2 channel preamp input / output
• Selectable Load Select: 20-ohm / 60-ohm / 20000-ohm
• Selectable Subsonic Filter: 35 Hz/50 Hz/80 Hz
• Selectable Output Voltage: 5V/7.5V/10V
Cerwin-Vega IOEM88
400 Watts 8-Channel Line Output Converter
400 Watts 8-Channel Line Output Converter
• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference
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• Active 8-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 3 sets (front, rear and subwoofer)
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference
Diamond Audio MSDSP88
8-Channel Waterproof Micro Digital Signal Processor
8-Channel Waterproof Micro Digital Signal Processor
• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included
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• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included
Diamond Audio LOC24
400W 2-Channel Line Output Converter with Remote Bass Control
400W 2-Channel Line Output Converter with Remote Bass Control
• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
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• Active 4-channel line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
Cerwin-Vega IOEM24
400 Watts 4-Channel Line Output Converter
400 Watts 4-Channel Line Output Converter
• Active 4-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference
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• Active 4-channel line out converter
• Designed to integrate with aftermarket or factory OEM systems
• Preamp outputs: 2 sets
• Precision matched stereo and level gain adjustment
• Advanced ground isolation switch isolation prevents buzz and interference
Diamond Audio LOC66
400W 6-Channel Line Output Converter with Remote Bass Control
400W 6-Channel Line Output Converter with Remote Bass Control
• Active 6-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
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• Active 6-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
Diamond Audio BTDSP66LCD
6-Channel Digital Signal Processor with LCD Display
6-Channel Digital Signal Processor with LCD Display
• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included
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• 6-Channel Digital Signal Processor with LCD Display
• Includes six inputs and six outputs
• 15-band parametric equalizer
• External Bluetooth dongle included
DS18 VX4HL
4-Channel High-to-Low Line Output Converter with Speaker Emulator
4-Channel High-to-Low Line Output Converter with Speaker Emulator
• 4-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator
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• 4-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator
Axxess AX-ALOC705
2-Channel Adjustable Line Output Converter with Built-in Gain Control
2-Channel Adjustable Line Output Converter with Built-in Gain Control
• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting
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• Universal adjustable line output converter
• 2 channel input connection
• Molded channels for zip ties will not slip
• Onboard gain control knob for ease of adjusting
Diamond Audio LOC88
400W 8-Channel Line Output Converter with Remote Bass Control
400W 8-Channel Line Output Converter with Remote Bass Control
• Active 8-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
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• Active 8-channel line output converter
• Speaker level and low-level inputs
• Selectable impedance load: 20, 60, 20k ohm
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
Diamond Audio BE1
2-Channel Line Output Converter with Digital Bass Enhancer
2-Channel Line Output Converter with Digital Bass Enhancer
• Active 2-channel digital bass enhancer and line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
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• Active 2-channel digital bass enhancer and line output converter
• Speaker level and low-level inputs
• Selectable Load Modes: 20-ohms, 60-ohms, and 20000-ohms
• Turn-on Modes: Remote, Vox (Audio Signals), and DC
• Ground Isolation Switch: 200-ohms, ISO, and Ground
DS18 VX2HL
2-Channel High-to-Low Line Output Converter with Speaker Emulator
2-Channel High-to-Low Line Output Converter with Speaker Emulator
• 2-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator
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• 2-Channel line output converter
• Level matching controls
• DC offset auto turn-on (3 volts)
• Built-in speaker emulator
NVX XLCA2 (Open Box, Good)
2-Channel Line Out Converter xBOOST Technology with Remote Bass Knob
2-Channel Line Out Converter xBOOST Technology with Remote Bass Knob
• 2-channel line out converter
• Speaker Level Input Accepts Up To 400 Watts RMS
• Bass Enhancer And Bass Compensation
• xBOOST Technology
• Selectable Auto On
• 9.5 Volt Pre-Out
• 12 Volt Trigger Out
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• 2-channel line out converter
• Speaker Level Input Accepts Up To 400 Watts RMS
• Bass Enhancer And Bass Compensation
• xBOOST Technology
• Selectable Auto On
• 9.5 Volt Pre-Out
• 12 Volt Trigger Out
Alpine PXE-C60-60 (Open Box, Great)
OPTIM-6 Series 6-Channel Digital Sound Processor with Automatic Sound Tuning
OPTIM-6 Series 6-Channel Digital Sound Processor with Automatic Sound Tuning
• 6-Channel digital sound processor with Automatic Sound Tuning
• 31-Band parametric and graphic equalizer
• Includes remote control and mounting hardware
• Sound tuning with AutoEQ 2.0 on Apple iOS or Android
• Instant precision with center image mode
• Features presets for every playlist
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• 6-Channel digital sound processor with Automatic Sound Tuning
• 31-Band parametric and graphic equalizer
• Includes remote control and mounting hardware
• Sound tuning with AutoEQ 2.0 on Apple iOS or Android
• Instant precision with center image mode
• Features presets for every playlist
NVX XLOC44X (Open Box, Great)
4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control
4 inputs / 4 outputs High Voltage Active Line Output Converter with Impedance Matching and Remote Level Control
• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 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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• 4-Channel Speaker Level Inputs
• 4-Channel RCA Outputs
• Handles up to 40V (400 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
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.




































