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MTX Audio re-Q (REQ)

OEM Bass Restoration & Signal Processor (Get full bass response when adding amps to a factory system)

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OEM Bass Restoration & Signal Processor (Get full bass response when adding amps to a factory system)

Restores bass when adding amps to a factory system • right, left, and subwoofer preamp outputs

Restores bass when adding amps to a factory system • right, left, and subwoofer preamp outputs

Alpine RUX-C800

Controller for Alpine PXA-H800 Imprint Audio Processor

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Controller for Alpine PXA-H800 Imprint Audio Processor

• Control PXA-H800 Right From the Driver Seat
• BioLite Display
• Dual-Button Illumination

• Control PXA-H800 Right From the Driver Seat
• BioLite Display
• Dual-Button Illumination

Massive Audio EQ 4P

4-Band In-Dash Parametric Equalizer w/ 8V Line Driver & Aux Input

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4-Band In-Dash Parametric Equalizer w/ 8V Line Driver & Aux Input

1/2 DIN, 4 Band Parametric Equalizer • Adjustable Master Volume Level Control • Adjustable Subwoofer Level Control • Frequency Bandwidth Control for Each Band • Gold Plated Terminals

1/2 DIN, 4 Band Parametric Equalizer • Adjustable Master Volume Level Control • Adjustable Subwoofer Level Control • Frequency Bandwidth Control for Each Band • Gold Plated Terminals

Earthquake Sound EQ4000PXi

4-Band EQ-PXi Series Pre-Amplifier Equalizer

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4-Band EQ-PXi Series Pre-Amplifier Equalizer

4-Band Digital Equalizer • Gold-Plated Contacts • Full Fader Action • Dual Input Capability • Master and Subwoofer Volume Control • Non-Faded Stereo Low Pass Output • Input for Auxiliary Accessories

4-Band Digital Equalizer • Gold-Plated Contacts • Full Fader Action • Dual Input Capability • Master and Subwoofer Volume Control • Non-Faded Stereo Low Pass Output • Input for Auxiliary Accessories

Hifonics Maxxsonics MX-1

Premium High-to-Low Level Converter for OEM Integration

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Premium High-to-Low Level Converter for OEM Integration

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

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

Kicker KQ9 (03KQ9)

9-Band Equalizer & Pre-Amp

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9-Band Equalizer & Pre-Amp

9-Band Equalizer • Front and Rear Outputs with Fader Control

9-Band Equalizer • Front and Rear Outputs with Fader Control

SPL SPQ20

4-Band Parametric Pre-Amp Equalizer w/ Gold Plated RCA Connections and Fader Control

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4-Band Parametric Pre-Amp Equalizer w/ Gold Plated RCA Connections and Fader Control

• Parametric Pre-Amp Equalizer
• 4-Band Frequency Adjustments
• CD and Radio Inputs
• Front, Rear, and Subwoofer Outputs
• Front CD/Auxiliary switch
• Master Volume Control
• Gold Plated RCA Contacts

• Parametric Pre-Amp Equalizer
• 4-Band Frequency Adjustments
• CD and Radio Inputs
• Front, Rear, and Subwoofer Outputs
• Front CD/Auxiliary switch
• Master Volume Control
• Gold Plated RCA Contacts

Audiobahn AEQ7

Half-DIN Size 4-Band Parametric Equalizer and Pre-Amp

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Half-DIN Size 4-Band Parametric Equalizer and Pre-Amp

Four Band Parametric Equalizer

Four Band Parametric Equalizer

MA Audio MA30EQX

30-Band Graphic Equalizer w/ 3-way Crossover

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30-Band Graphic Equalizer w/ 3-way Crossover

30 Band Graphic Equalizer with 3-Way Crossover • Brushed Aluminum Finish • +-12dB EQ Boost / Cut • PWM Switching Power Supply • Removable Aluminum Handles

30 Band Graphic Equalizer with 3-Way Crossover • Brushed Aluminum Finish • +-12dB EQ Boost / Cut • PWM Switching Power Supply • Removable Aluminum Handles

Lanzar OPTIE15

15 Band Half/Full Octave Stereo Equalizer

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15 Band Half/Full Octave Stereo Equalizer

15 Band Half/Full Octave Stereo Equalizer • 5 full octave controls • Full Line Output • Defeat Switch • 4 channel output via gold-plated RCA jacks

15 Band Half/Full Octave Stereo Equalizer • 5 full octave controls • Full Line Output • Defeat Switch • 4 channel output via gold-plated RCA jacks

SoundStorm (SSL) S7EQ

7 Band Graphic Equalizer with Subwoofer Level Control

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7 Band Graphic Equalizer with Subwoofer Level Control

• Front, Rear & Sub Outputs
• Subwoofer Level Control and X-BASS Bass enhancer
• Variable low-pass filter gives you control over the frequencies that pass through to the subwoofer.
• Half-DIN 7 Band Pre-Amp EQ

• Front, Rear & Sub Outputs
• Subwoofer Level Control and X-BASS Bass enhancer
• Variable low-pass filter gives you control over the frequencies that pass through to the subwoofer.
• Half-DIN 7 Band Pre-Amp EQ

PowerBass XEQ-5XOA

4-Band Parametric Pre-Amp Equalizer w/ Front Panel 3.5mm Aux Input

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4-Band Parametric Pre-Amp Equalizer w/ Front Panel 3.5mm Aux Input

4-Band Parametric Pre-Amp Equalizer • Switchable Main/AUX Input • Front, Rear & Subwoofer Outputs • Variable Subwoofer Crossover • Subwoofer Volume Control • Front Panel AUX 3.5mm Input

4-Band Parametric Pre-Amp Equalizer • Switchable Main/AUX Input • Front, Rear & Subwoofer Outputs • Variable Subwoofer Crossover • Subwoofer Volume Control • Front Panel AUX 3.5mm Input

Visonik V8EQ

4-Band Parametric Equalizer with Subwoofer Output

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4-Band Parametric Equalizer with Subwoofer Output

** CLOSEOUT PRICE! WAS $189.99! **
4 Band Parametric Equalizer with 18 dB Boost Cut • gold-plated RCA connectors • aux/head unit input selector • front, rear, and subwoofer outputs • universal half-DIN mounting

** CLOSEOUT PRICE! WAS $189.99! **
4 Band Parametric Equalizer with 18 dB Boost Cut • gold-plated RCA connectors • aux/head unit input selector • front, rear, and subwoofer outputs • universal half-DIN mounting

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9-Band Parametric/Graphic Equalizer • Crossover Network • 3 Pairs of RCA Outputs including non-fading sub output

9-Band Parametric/Graphic Equalizer • Crossover Network • 3 Pairs of RCA Outputs including non-fading sub output

Alphasonik PEQ70

5-Band Equalizer

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5-Band Equalizer

5-Band parametric Equalizer • Subwoofer outputs and level controls • Volume gain with up to 8 volts RMS output • Gold-plated RCA input connectors • Main/DVD input selector

5-Band parametric Equalizer • Subwoofer outputs and level controls • Volume gain with up to 8 volts RMS output • Gold-plated RCA input connectors • Main/DVD input selector

Soundstream INT-2BX

Digital Equalizer with 5-Channel Hi-Level Input and Subwoofer Output

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Digital Equalizer with 5-Channel Hi-Level Input and Subwoofer Output

Digital Equalizer with 5-Channels of EQ • 0-12 dB Bass Boost • Adjustable Boost Q • 30-80 Hz Bass EQ • 15-50 Hz Subsonic Filter • On-Board CLip Indicator • Front, Rear, and Subwoofer Outputs

Digital Equalizer with 5-Channels of EQ • 0-12 dB Bass Boost • Adjustable Boost Q • 30-80 Hz Bass EQ • 15-50 Hz Subsonic Filter • On-Board CLip Indicator • Front, Rear, and Subwoofer Outputs

AudioControl LC6i

6 Channel Line Out Converter with Internal Summing & 5-year warranty*!

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6 Channel Line Out Converter with Internal Summing & 5-year warranty*!

• Six Speaker Level Inputs – Can Accept 400 Watt Signals!
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

• Six Speaker Level Inputs – Can Accept 400 Watt Signals!
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

JVC KS-ES200

9-Band Graphic Equalizer EQ with Built-in Subwoofer Control

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9-Band Graphic Equalizer EQ with Built-in Subwoofer Control

9 Band Graphic Equalizer � Continuously Variable Crossover Frequencies � Q Adjust Switch � Phase Adjust � Gold Plated Terminals � 5 Pre-programmed and 5 User-Programmed Equalization Patterns

9 Band Graphic Equalizer � Continuously Variable Crossover Frequencies � Q Adjust Switch � Phase Adjust � Gold Plated Terminals � 5 Pre-programmed and 5 User-Programmed Equalization Patterns

PAC PDLC81

8-Channel Intelligent Digital Line Output Converter

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8-Channel Intelligent Digital Line Output Converter

Intelligent Signal Sensing Turn-on Circuit • Independent Front / Rear / Subwoofer / Auxiliary Level Adjustments • Multi-Input Summing/Blending • Multi-Input Summing/Blending • Precision Components For Noise Free Operation

Intelligent Signal Sensing Turn-on Circuit • Independent Front / Rear / Subwoofer / Auxiliary Level Adjustments • Multi-Input Summing/Blending • Multi-Input Summing/Blending • Precision Components For Noise Free Operation

Audiobahn AEQ6Q

Half-DIN Size 5-Band Stereo Equalizer and Line Driver

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Half-DIN Size 5-Band Stereo Equalizer and Line Driver

5 Band Stereo Equalizer

5 Band Stereo Equalizer

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    FAQ Frequently asked questions in Discontinued Car Equalizers (EQs)


    Car Equalizers (EQs) Frequently Asked Questions (FAQ)
    A car equalizer, often referred to as an EQ, is an audio device designed to adjust and control the balance of frequencies in your car's audio system. It allows you to fine-tune the bass, midrange, and treble frequencies to achieve a desired sound profile. EQs are used to correct acoustic deficiencies in a vehicle's interior, tailor the audio output to personal preferences, and optimize the overall listening experience.
    A car equalizer works by adjusting the amplitude or level of specific frequency bands in the audio signal. It typically features sliders or knobs for different frequency ranges, such as bass, midrange, and treble. By manipulating these controls, you can boost or cut specific frequencies to enhance or diminish their presence in the audio output. This allows you to create a balanced soundstage and compensate for factors like speaker placement and vehicle acoustics.
    Yes, you can install a car equalizer in your existing car audio system. EQs can be integrated between the head unit and the amplifier or directly into the signal path, depending on the EQ model. Some modern car head units also come with built-in equalizer functions. When installing an external EQ, it's essential to ensure proper wiring and integration to achieve the desired audio adjustments. Professional installation may be recommended for complex setups.
    While some technical understanding of audio frequencies can be helpful, many car equalizers are designed with user-friendly interfaces, such as sliders or rotary knobs, that make adjustments intuitive. Basic knowledge of how different frequencies affect the audio can assist in achieving optimal results. Some advanced EQs also offer presets or automatic tuning features that can simplify the tuning process. However, for precision tuning and a customized sound, taking the time to experiment with different settings and listening to the changes is advisable.
    Yes, a car equalizer can significantly enhance audio quality in your car by allowing you to tailor the sound output to your preferences and the acoustics of your vehicle. It can address frequency imbalances, correct deficiencies caused by speaker placement, and compensate for road noise. With proper adjustments, an EQ can create a more immersive and enjoyable listening experience, making your favorite music sound clearer, more dynamic, and well-balanced.
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