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Most original factory stereos use preset equalization curves that are based off original (OEM) factory speakers. Processors in this category reshape the output of such equalization curves and give you the best possible sound when you upgrade to aftermarket amplifiers and speakers.
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Manufacturer:
Price range: $0–$540
Items in range: 18
Availability:
Built-in Crossover: 
Built-in Bass Reconstruction: 
No (4)
Yes (1)
Line Driver: 
Yes (3)
No (1)
Max Output Level: 
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Factory Sound Processors

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System Integration Digital Sound Processor
Free Ground Shipping within the 48 states
System Integration Digital Sound Processor • Logic 7 Surround Processor • DSP Equalization and Time Correction • Supports up to 8-Channels of Audio • 31-Band Graphic Equalizer • For Factory or Aftermarket Systems
$534.95
Shipping: FREE
To the US 48 • other rates
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Premium High-to-Low Level Converter for OEM Integration
Free Ground Shipping within the 48 states
Premium High-to-Low Level Converter for OEM Integration • Perfect for adding speakers, subwoofer, and an aftermarket amplifier to a factory OEM system • Ultra-Clean Signals • Parametric Bass EQ
$74.99
Shipping: FREE
To the US 48 • other rates
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Deluxe High-to-Low Level Converter for OEM Integration
Free Ground Shipping within the 48 states
Deluxe High-to-Low Level Converter for OEM Integration • Perfect for adding speakers and an aftermarket amplifier to a factory OEM system • Crystal-Clear Signal • High-Pass Filters • Input Level Controls
$59.99
Shipping: FREE
To the US 48 • other rates
Availability: Only 1 left in stock
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Bass Controller for use with Aftermarket Radios and Amplifiers, as well as Factory OEM Stereos
Free Ground Shipping within the 48 states
Bass Controller for Aftermarket Radios and Amplifiers, as well as Factory OEM Stereos (in conjunction with the MX-4) • Parametric Bass EQ • Visual Clipping Indicators • Shapes the Music Signal to Achieve Deep Bass Notes • Included Bass Remote
$59.99
Shipping: FREE
To the US 48 • other rates
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Line Out Converter Provides Complete Integration of Aftermarket Speakers into a Vehicle OEM System
Free Ground Shipping within the 48 states
Line Out Converter For OEM Integration • Sums and Balances Signals From the Factory Stereo • Produces a Full-Bandwidth, Line-Level Output Signal • Built-in Auxiliary Input
$199.99
Shipping: FREE
To the US 48 • other rates
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Factory OEM Audio and Video Control System
Free Ground Shipping within the 48 states
The Alpine VPA-B222 VehicleHub Pro lets you add aftermarket components such as amps or processors to your factory installed system, regardless of vehicle brand and dashboard configurations...
$279.99
Shipping: FREE
To the US 48 • other rates
Availability: Only 1 left in stock
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System Integration IMPRINT Sound Audio Processor for Factory OEM Audio System
Free Ground Shipping within the 48 states
Alpine PXE-H660 System Integration IMPRINT Sound Audio Processor • For Factory OEM Audio Systems • IMPRINT Technology • Audyssey MultEQ • Automatic Measurement and Correction of Factory Sound Processing
$249.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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8 Channel Line Output Converter (Gray)
Free Ground Shipping within the 48 states
(COLOR: SALMON GRAY) 8 Input and Output Channels • GTO - Signal Sensing Inputs • Line Output Converter
$229.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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Add-A-Sub High-to-Low Level Converter for OEM Integration
Free Ground Shipping within the 48 states
Add-A-Sub High-to-Low Level Converter for OEM Integration • Perfect for Adding a Subwoofer to a Factory System • Converts and Filters High-Level Inputs into RCA Outputs
$41.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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Compact Disc for Calibration & Setup of CL441DSP and CL-SSI
Free Flat Rate Shipping within the entire USA!
Calibration CD for JL Audio CleanSweep • Contains Tracks for General System Tuning • Channel & Phase Identification • Pink Noise • Sine Waves
$9.95
Shipping: FREE
To the US • other rates
Availability: Out of Stock - Backorder
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NEW LC6i VERSION! - 6 Channel Line Output Converter with Internal Summing
Free Ground Shipping within the 48 states
(COLOR: SALMON GRAY) Six Input and Output Channels • AutoMode Inputs • Signal Sensing Inputs • Line Output Converter
$149.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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Remote Signal Summing Interface for JL Audio CleanSweep
Free Ground Shipping within the 48 states
Remote Signal Summing Interface • Sums crossed-over signals to full-range for CL441dsp input • Merge 2-way or 3-way OEM signals • Integrate with premium OEM sound systems
$89.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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CleanSweep OEM Audio Interface
Free Ground Shipping within the 48 states
CleanSweep OEM Audio Interface • 32 Bit SHARC DSP Processor • Automatically Equalizes Each Channel Independently • Remote Level Control / Aux Input Selector • AUX Input • 2 Pair RCA Outputs
$199.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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NEW LC6i VERSION! - 6 Channel Line Output Converter with Internal Summing
Free Ground Shipping within the 48 states
(COLOR: SIERRA WHITE) Six Input and Output Channels • AutoMode Inputs • Signal Sensing Inputs • Line Output Converter
$149.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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6-Channel Line Out Converter (LOC) with iPod/Aux Input
Free Ground Shipping within the 48 states
Six channel line output converter with auxiliary input • Stereo auxiliary input to add an iPod or satellite radio • Remote knob switches between the factory stereo and auxiliary source
$199.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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6-Channel Line Out Converter (LOC) with iPod/Aux Input
Free Ground Shipping within the 48 states
Six channel line output converter with auxiliary input • Stereo auxiliary input to add an iPod or satellite radio • Remote knob switches between the factory stereo and auxiliary source
$199.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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Load-Sensing Adaptor for use with CL441dsp CleanSweep
Signal Sensing Adapter Allows the JL Audio CleanSweep to Work with Low Voltage Factory Systems
$9.99
Availability: Out of Stock - Backorder
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8 Channel Line Output Converter (White)
Free Ground Shipping within the 48 states
(COLOR: SIERRA WHITE) 8 Input and Output Channels • GTO - Signal Sensing Inputs • Line Output Converter
$229.99
Shipping: FREE
To the US 48 • other rates
Availability: Out of Stock - Backorder
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