Hifonics HSP-4.8DSP
2 or 4-Channel Input / 8-Channel Output Digital Signal Processor with 31 Band Parametric Equalizer
2 or 4-Channel Input / 8-Channel Output Digital Signal Processor with 31 Band Parametric Equalizer
• 8-channel output digital signal processor
• Bluetooth controlled with Bluetooth antenna
• Output limiter LED lights
• Power connector with two remote output trigger wires
• High-level (speaker level) inputs
• Controllable via the free DSP mobile application
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• 8-channel output digital signal processor
• Bluetooth controlled with Bluetooth antenna
• Output limiter LED lights
• Power connector with two remote output trigger wires
• High-level (speaker level) inputs
• Controllable via the free DSP mobile application
PAC LP7-2R
2-Channel LOCPro Series Line Output Converter with Remote Level Input
2-Channel LOCPro Series Line Output Converter with Remote Level Input
• 2-Channel Line Output Converter
• Designed for adding or retaining an amplified system
• Accepts both high-level and low-level inputs
• Remote level controller included
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• 2-Channel Line Output Converter
• Designed for adding or retaining an amplified system
• Accepts both high-level and low-level inputs
• Remote level controller included
DS18 DSP2.6DBT (Like New (Open Box))
6-Channel Digital Sound Processor with Bluetooth and LCD Screen
6-Channel Digital Sound Processor with Bluetooth and LCD Screen
• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible
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• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible
GROM Audio C-VEXTF
20-pin Molex Connector Harness with Noise Cancellation Filter for GROM Audio
20-pin Molex Connector Harness with Noise Cancellation Filter for GROM Audio
• 20-pin end-to-end Molex connector extension harness with noise filter
• Removes engine noise after installing GROM Bluetooth, iPhone, Android or USB car kit
• Length: 10"
• 20-pin end-to-end Molex connector extension harness with noise filter
• Removes engine noise after installing GROM Bluetooth, iPhone, Android or USB car kit
• Length: 10"
Axxess AX-AD-BTM
Add-on Bluetooth Module for Axxess Adaptiv Interfaces
Add-on Bluetooth Module for Axxess Adaptiv Interfaces
• Add-on Bluetooth Module
• Designed for Axxess Adaptiv add-on modules (Sold separately)
• Provides Bluetooth connectivity while retaining select factory features
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• Add-on Bluetooth Module
• Designed for Axxess Adaptiv add-on modules (Sold separately)
• Provides Bluetooth connectivity while retaining select factory features
PAC LPHEXT17
17 ft. LOC Speaker Harness Extension
17 ft. LOC Speaker Harness Extension
• LPH speaker extension harness
• Compatible plugs and color-coded wires
• Length: 17 feet
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• LPH speaker extension harness
• Compatible plugs and color-coded wires
• Length: 17 feet
Alpine PXE-X121-12EV
12-Channel Sound Processor with Hi-Res Audio for Tesla Vehicles
12-Channel Sound Processor with Hi-Res Audio for Tesla Vehicles
• 31-Band Parametric or Graphic Equalizers
• 12-channel high-level and 2-channel RCA outputs
• HPF/LPF/Bandpass crossover filters
• Controllable via PC software or Alpine music application
• Hi-Res Audio certified
• Compatible with Tesla vehicles
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• 31-Band Parametric or Graphic Equalizers
• 12-channel high-level and 2-channel RCA outputs
• HPF/LPF/Bandpass crossover filters
• Controllable via PC software or Alpine music application
• Hi-Res Audio certified
• Compatible with Tesla vehicles
Axxess AXLOCM-150
75W 2-Channel Adjustable Line Output Converter with Amplifier Turn-On
75W 2-Channel Adjustable Line Output Converter with Amplifier Turn-On
• Adjustable line output converter
• 75-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip
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• Adjustable line output converter
• 75-watt maximum input
• 2 channel input connection
• 6:1 step down with fixed output
• 12-volt signal sense turn-on
• Molded channels so zip ties will not slip
Axxess AXDSP-L
6-Channel Universal Digital Signal Processor
6-Channel Universal Digital Signal Processor
• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Independent equalization for front, rear, and sub
• Independent crossover for front, rear, and sub
• Selectable slope (12, 24, 36, or 48db per octave)
• Front and rear channels can be delayed independently up to 10ms
• Easy behind the radio installation in most applications
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• 15 Band graphic EQ
• 4 inputs and 6 individually assignable outputs
• Independent equalization for front, rear, and sub
• Independent crossover for front, rear, and sub
• Selectable slope (12, 24, 36, or 48db per octave)
• Front and rear channels can be delayed independently up to 10ms
• Easy behind the radio installation in most applications
NVX XMICROLOC4
600W RMS 4-Channel Micro Line Output Converter with Remote Turn-on Trigger
600W RMS 4-Channel Micro Line Output Converter with Remote Turn-on Trigger
• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install
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• 4-Channel Micro Line Output Converter
• Input Circuit corrects crossover distortion
• Individual adjustable outputs
• Auto turn-on via DC offset
• Compact design allows for easy install
DS18 DSP2.6DBT
6-Channel Digital Sound Processor with Bluetooth and LCD Screen
6-Channel Digital Sound Processor with Bluetooth and LCD Screen
• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible
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• 2-Channel input and 6-Channel out digital sound processor
• DSP with LCD Screen feature
• Bluetooth connectivity via DS18 DSP
• IOS and Android Compatible
Cerwin-Vega CVDSP66LCD
6-Channel Digital Signal Processor with LCD Display and Bluetooth
6-Channel Digital Signal Processor with LCD Display and Bluetooth
• 6-Channel Digital Signal Processor with LCD Display
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Includes external Bluetooth dongle for music streaming
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• 6-Channel Digital Signal Processor with LCD Display
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Includes external Bluetooth dongle for music streaming
Cerwin-Vega CVDSP88
8-Channel Digital Signal Processor with Bluetooth
8-Channel Digital Signal Processor with Bluetooth
• 8-Channel Digital Signal Processor
• 31 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Advanced CSR 5.0 Bluetooth module
• Conformal coated 4-layer circuit PC board
• Tuning Software: Windows / Android / iOS
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• 8-Channel Digital Signal Processor
• 31 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Advanced CSR 5.0 Bluetooth module
• Conformal coated 4-layer circuit PC board
• Tuning Software: Windows / Android / iOS
Install Bay IBLOC04
60W 4-Channel Adjustable Line Output Converter
60W 4-Channel Adjustable Line Output Converter
• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops
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• 4-Channel adjustable line output converter
• 60 watts of input power
• Fully adjustable dual output level controls
• Transformer design isolates ground loops
Cerwin-Vega CVDSP66
6-Channel Digital Signal Processor with Bluetooth
6-Channel Digital Signal Processor with Bluetooth
• 6-Channel Digital Signal Processor
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Advanced CSR 5.0 Bluetooth module
• Conformal coated 4-layer circuit PC board
• Tuning Software: Windows
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• 6-Channel Digital Signal Processor
• 15 band parametric equalizer
• Fully adjustable crossovers
• Speaker delay timing alignment
• Advanced CSR 5.0 Bluetooth module
• Conformal coated 4-layer circuit PC board
• Tuning Software: Windows
AudioControl DM-810 (OPEN BOX, LIKE NEW)
Premium 8 Input 10 Output DSP Matrix Processor | 5 Year Warranty | Authorized Dealer
Premium 8 Input 10 Output DSP Matrix Processor | 5 Year Warranty | Authorized Dealer
• Digital Sound Matrix Processor
• Allows users to truly optimize the performance of their audio system
• Line-level and Digital audio inputs
• 30 bands of equalization
• Dimensions: 10.5"W x 5.7"D x 1.6"H
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• Digital Sound Matrix Processor
• Allows users to truly optimize the performance of their audio system
• Line-level and Digital audio inputs
• 30 bands of equalization
• Dimensions: 10.5"W x 5.7"D x 1.6"H
Axxess AXLOC-150A
150W 2-Channel Adjustable Line Output Converter
150W 2-Channel Adjustable Line Output Converter
• Adjustable line output converter
• 150-watt maximum input
• 2 channel input and 2 channel output
• Separate level adjustments for each channel
• Molded channels so zip ties will not slip
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• Adjustable line output converter
• 150-watt maximum input
• 2 channel input and 2 channel output
• Separate level adjustments for each channel
• Molded channels so zip ties will not slip
Axxess AXLOC4-80A
80W 4-Channel Adjustable Line Output Controller
80W 4-Channel Adjustable Line Output Controller
• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 6:1 step down with fixed output
• Molded channels so zip ties will not slip
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• Adjustable line output converter
• 80-watt maximum input
• 4 channel input connection
• 6:1 step down with fixed output
• Molded channels so zip ties will not slip
Hifonics VLOC-4V1
4-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment
4-Channel MAXXLINK VLOC Series Line Output Converter with Gain Level Adjustment
• 4-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications
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• 4-Channel line output converter
• Converts high-level speaker output signal to RCA signal
• Features a gain level adjustment
• Universal fit for most vehicle applications
Crux LOC-4
4-Channel Line Output Converter with Remote 12-Volt Trigger
4-Channel Line Output Converter with Remote 12-Volt Trigger
• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system
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• 4-Channel line output converter with 12-volt remote trigger
• Adds aftermarket amplifier to factory stereo
• Adds aftermarket stereo to factory amplified system
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.




























