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Sound Processors

For those who want the most out their car audio system, a quality sound processor is a must. After some slight adjustments, your systems will sound like it has been professionally tuned and optimized. Tune your system to perfection with these crossovers, equalizers, and bass drivers.
Bass Expanders & Processors
Crossovers
Equalizers
Factory Radio Sound Processors
Line Drivers
Other Sound Processors

Top 20 in Sound Processors

System Integration Digital Sound Processor

• 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

FREE
$479.99

IN STOCK

7-Band Graphic Equalizer (EQS-746) with Auxiliary Input

• 7-Band Rotary Equalizer
• Selectable Main AUX Inputs
• Subwoofer-Level Control
• 6-Channel/7-Volt RCA Line-Level Output
• S/N Ratio: 105dB

FREE
$59.99

IN STOCK

Digital Bass Restoration Sound Processor

• Digital Bass Restoration/Booster Processor
• Low Frequency Adjustment
• Flat Frequency Response
• Removable Terminal Block
• 8 Volt Maximum Output Voltage

FREE
$99.99

IN STOCK

2 Channel Line-Output Converter with AccuBASS

• Two Channels of Active Speaker Level Inputs
• AccuBASS Processing
• 9.5 Volt Pre-Amp Outs
• GTO - Signal Sensing Inputs

FREE
$82.99

IN STOCK

7-Band Graphic Stereo Equalizer (1/2 DIN) with Dual Aux Input and Sub Control

• Dual Auxiliary Inputs
• Master & Subwoofer Volume Control
• Gold-Plated Contacts
• Blue Illumination
• 7V Preamp Outputs

FREE
$59.99

IN STOCK

4-Band Equalizer with 9-Volt Line-Driver and Multiple-Source Signal Processor

• Half-DIN, 4-Band preamp EQ with front/rear active crossover features
• Line Driver circuit delivers 9-volts of preamp level signal through the RCA's
• Audio input selector
• Input level controls

FREE
$66.99

IN STOCK

Only 2 Left!

3-way Electronic Crossover

• 3-way Electronic Crossover
• 2/4/6 Channel Input
• 6-Channel / 5 Volt RCA Outputs (Front/Rear/Subwoofer)
• Front/Rear/Subwoofer Lever Control
• Subwoofer Equalizer and Boost Level Controls
• Gold Plated Terminals

FREE
$79.95

IN STOCK

Line Driver with Signal Booster

• PAC LD-10 Line Driver with Signal Booster
• Boost Your Signal and Gain the Most Power Out of Your System
• 10X RCA Signal Booster
• Solid State Ground Loop Isolation
• Left and Right Gain Level Adjustment

$20.99

IN STOCK

5-Band Parametric Equalizer EQ w/ Remote Level Bass Control

• 5-Band Parametric EQ
• 12 dB Cut/Boost
• Front/Rear Fader
• 2 Pair RCA Inputs
• Line 1/Line 2 Selector
• Remote Bass Level Control
• 7V Output
• Adjustable Input Gain (950mV-9.6V)

FREE
$199.95

IN STOCK

1/2 DIN 7-Band Graphic Equalizer with Subwoofer Electronic Crossover

• 1/2 DIN 7-Band Graphic Equalizer
• Up to 8 volts of Output
• Master Volume Control
• Low Noise Op-Amp Design
• Gold Plated RCA Connectors
• Subwoofer Electronic Crossover

$39.95

IN STOCK

Digital Bass Enhancement Processor

• Digital Bass Enhancement Processor
• Bass Driver Circuit
• Bass Equalization Circuit
• Bass Maximizer Indicator
• Bass Output Control

FREE
$59.99

IN STOCK

7-Band Equalizer w/ Subwoofer Output & Master Volume Control

• 7-Band Preamp Equalizer
• Subwoofer Output
• Blue Night Illumination
• RCA Input and Output Connectors
• Subwoofer Level Control
• Adjustable Input Gain Controls

$39.99

IN STOCK

2-Channel Balanced Line Driver

• 2-Channel Balanced Line Driver
• Differential Inputs Eliminate Noise Picked Up By Signal Cables
• Low Output Impedance Drives A Noise Free Signal To An Amplifier(s)
• Speaker Level To RCA Line Level Converter

FREE
$74.99

IN STOCK

4-Band Graphic Equalizer with Gold Plated RCA Inputs and Outputs

• 4-Band Graphic Equalizer
• Subwoofer Output
• Dual-Color Selectable Illumination
• Gold-Plated RCA Inputs and Outputs
• Bass Boost (0 - 18 dB)
• Signal to Noise Ratio: 105 dB

$29.99

IN STOCK

Bass Booster Expander with Remote

• Salmon Gray SPL Bass Booster
• Increases the bass in all systems
• Perfect addition to all systems

FREE
$139.99

IN STOCK

Digital Bass Driver/Restoration Processor with Parametric Bass Control

• Digital Bass Driver/Restoration Processor with Parametric Bass Control
• Bass Driver For Accurate Recreation And More Bass Impact For Best Quality Bass
• Bass Equalization Circuit Contours Restored Bass To Speaker System
• Included Dash Mountable Wired Remote Control
• Bass Maximization Indicator Located On Chassis Provides Visual Leds That Flash When Bass Circuit Is Activated

FREE
$59.99

IN STOCK

Bass Booster Expander with Remote

• Sierra White SPL Bass Booster
• Increases the bass in all systems
• Perfect addition to all systems

FREE
$139.99

IN STOCK

4-Band Graphic Equalizer with Built-In Pre-Amp and Subwoofer Control and CD/Aux Selector Switch

• 4-Band Graphic Equalizer with Built-In Pre-Amp and Subwoofer Control and CD/Aux Selector Switch
• 4 Gain controls ( 18dB)
• Isolated PWM (Pulse Width Modulated) power supply
• Selectable Radio/CD/Auxiliary outputs
• Master volume gain control

$34.99

IN STOCK

Only 1 Left!

2-way / 3-way Active Crossover with Remote Bass Control

• 2-Way/3-Way Electronic Crossover
• Bass boost (0-12dB @ 45Hz)
• Quasi-Parametric EQ
• 180-Degree Phase-Shift Switch
• Front/Rear Channel Frequency
• Front and Rear Adjustments
• RCA Pre-Amp Output

FREE
$52.99

IN STOCK

7-Band Graphic Equalizer X-Bass Low Frequency Boost Selector

• 7-Band Graphic Preamp Equalizer
• Two Separate Front and Rear Channel RCA Outputs
• Gold-Plated RCA Input Connectors
• 5-Step LED Power Meter
• 0-12dB Boost/Cut
• Night Illumination

$27.99

IN STOCK

Sound Processors Information

Information about Digital Sound Processors:

Most original factory stereos use preset equalization curves that are designed to get the most out of your car's factory speakers. When you upgrade to aftermarket speakers, your OEM stereo's equalizer preset curves do not adjust, resulting in under performance from your aftermarket speakers. Processors reshape the output of your factory stereo's preset equalization curves to ensure you get optimal performance out of your aftermarket amplifiers and speakers.

A parametric sound equalizer helps you tune your system to the perfect balance. These audio equalizers will also help eliminate infrasonic distortions for a crisper and clearer audio output. Adding a sound equalizer to your car will optimize your system's performance.

Electronic crossovers divide your music into high, low and midrange frequency ranges. Some of the units we carry are combinations of both stereo crossovers and stereo equalizers. Call us today if you need help choosing the right combo for your setup and budget.

Bass reconstructors, or bass enhancers, improve low frequency reproduction in a car audio system with at least one subwoofer. These bass expander products will help your subs produce accurate bass thumps.