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  2. Discontinued Car Audio & Electronics
  3. Discontinued Car Amplifiers
  4. Discontinued Equalizers & Sound Processors
  5. Discontinued Car Equalizers (EQs)

Discontinued Car Equalizers (EQs)

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Type of Equalizer
This determines the way the equalizer processes the signal from the source unit. A parametric equalizer allows to you adjust the center point of the frequency band you are adjusting as well the bandwidth which can be narrowed or widened. A graphic equalizer has fixed frequency bands and bandwidth and only the frequency bands can be adjusted. A digital equalizer uses a software program to tune your system.
A graphic equalizer typically has more adjustable bands and is less expensive, whereas a parametric will have fewer bands but offer a greater level of control and provide more tuning options. Digital equalizers will tune your system with the most detail and precision but require a computer and are typically a little higher in price.
Equalizer Bands
The number of graphic or parametric equalizer bands the receiver has. The better the EQ, the more likely you will be able to "tweak" your sounds to your desire.
Line Driver
A line driver is a small amplifier used to support the strength of the audio signal coming from the source unit.
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Sound Storm Labs (SSL) S4EQ

4 Band Graphic Equalizer, With Subwoofer Crossover, Input gain control, Master Volume control

S4EQ big DISCONTINUED
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Sound Storm Labs (SSL) S4EQ

4 Band Graphic Equalizer, With Subwoofer Crossover, Input gain control, Master Volume control

Front, Rear And Subwoofer Outputs • Fader Control • Subwoofer Volume Control • Subwoofer Frequency 30Hz to 250Hz Variable • Dual Color Illumination (Red, Green)

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Front, Rear And Subwoofer Outputs • Fader Control • Subwoofer Volume Control • Subwoofer Frequency 30Hz to 250Hz Variable • Dual Color Illumination (Red, Green)

AudioControl EQL - Black (Open Box)

2-Channel Trunk Mount Dual Bandwidth Graphic Equalizer and Pre-Amp with 5-year warranty*!

EQL big DISCONTINUED
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AudioControl EQL - Black (Open Box)

2-Channel Trunk Mount Dual Bandwidth Graphic Equalizer and Pre-Amp with 5-year warranty*!

• Trunk Mount Equalizer and Pre-Amp
• PFM Subsonic Filter
• Line and Speaker Level Inputs
7 Band, 1 Octave Equalizer
6 Band, 1/2 Octave Bass EQ
• Color: Black Blue

• Trunk Mount Equalizer and Pre-Amp
• PFM Subsonic Filter
• Line and Speaker Level Inputs
7 Band, 1 Octave Equalizer
6 Band, 1/2 Octave Bass EQ
• Color: Black Blue

MA Audio MPE100

4-Band Parametric Equalizer

MPE100 big DISCONTINUED
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MA Audio MPE100

4-Band Parametric Equalizer

4-Band Parametric Equalizer • Fader • Sub Gain • Adjustable Subwoofer Crossover • 20dB Headroom • 3 Pair Outputs • 2 Pair Inputs • AUX Input Sensitivity

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4-Band Parametric Equalizer • Fader • Sub Gain • Adjustable Subwoofer Crossover • 20dB Headroom • 3 Pair Outputs • 2 Pair Inputs • AUX Input Sensitivity

AudioControl EQS - Black (Open Box)

6 Channel Trunk Mount 13-Band Graphic Equalizer with 5-year warranty*!

EQS-BlackBlue big DISCONTINUED
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AudioControl EQS - Black (Open Box)

6 Channel Trunk Mount 13-Band Graphic Equalizer with 5-year warranty*!

• Six Inputs and Outputs
• Dual-bandwidth Equalization
• Front / Rear / Sub Fader Compatible
• 13 Graphic Equalizer Bands
• Built-in Line Driver
• Color: Black Blue

• Six Inputs and Outputs
• Dual-bandwidth Equalization
• Front / Rear / Sub Fader Compatible
• 13 Graphic Equalizer Bands
• Built-in Line Driver
• Color: Black Blue

Power Acoustik DG-7Q O/B

Open Box, 7 Band Digital Equalizer with Built-in Volt Meter

DG-7Q big DISCONTINUED
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Power Acoustik DG-7Q O/B

Open Box, 7 Band Digital Equalizer with Built-in Volt Meter

7 Band Digital Equalizer with Built-in Volt Meter • 2 Inputs • System battery voltage display • Master volume, fader, and subwoofer level control • Subwoofer output voltage up to 10V

7 Band Digital Equalizer with Built-in Volt Meter • 2 Inputs • System battery voltage display • Master volume, fader, and subwoofer level control • Subwoofer output voltage up to 10V

AudioControl DQ-61

6-Channel EQ and Line Output Converter with Signal Delay

DQ-61 big DISCONTINUED
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AudioControl DQ-61

6-Channel EQ and Line Output Converter with Signal Delay

• Accurately Tune Your OEM and Aftermarket System
• 14 EQ Bands
• User Friendly Signal Delay
• Patent Pending AccuBASS Corrects for Bass Roll-Off
• Truly Take Control of Your Car Audio Sound

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• Accurately Tune Your OEM and Aftermarket System
• 14 EQ Bands
• User Friendly Signal Delay
• Patent Pending AccuBASS Corrects for Bass Roll-Off
• Truly Take Control of Your Car Audio Sound

AudioControl DQXS R/B

6-Channel Digital Crossover and Equalizer with Memory (Platinum Silver)

DQXS-SILVER big DISCONTINUED
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AudioControl DQXS R/B

6-Channel Digital Crossover and Equalizer with Memory (Platinum Silver)

6-Channel Digital Crossover and Equalizer with Memory • 3-way Crossover • 8 Output channels • 1/3 Octave / 1/2 octave equalization per channel • 2 Parametric equalizers per channel • 142 Total equalization filters • Platinum Silver

6-Channel Digital Crossover and Equalizer with Memory • 3-way Crossover • 8 Output channels • 1/3 Octave / 1/2 octave equalization per channel • 2 Parametric equalizers per channel • 142 Total equalization filters • Platinum Silver

Massive Audio EQ9X

9-Band 1/2-Din Graphic Equalizer with Auto Turn On

EQ9X big DISCONTINUED
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Massive Audio EQ9X

9-Band 1/2-Din Graphic Equalizer with Auto Turn On

• 9-Band graphic equalizer
• ATO (Auto Turn On) offset on Hi Level Input
• Three stereo RCA outputs
• Stereo RCA input for use with MP3 or DVD
• Separate controls for each volume and inputs
• Gold-plated RCA connectors

• 9-Band graphic equalizer
• ATO (Auto Turn On) offset on Hi Level Input
• Three stereo RCA outputs
• Stereo RCA input for use with MP3 or DVD
• Separate controls for each volume and inputs
• Gold-plated RCA connectors

AudioControl EQS (GRAY) R/B

6 Channel Trunk Mount Equalizer

EQS-Gray big DISCONTINUED
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AudioControl EQS (GRAY) R/B

6 Channel Trunk Mount Equalizer

(COLOR: GRAY) Six Inputs and Outputs • Dual-bandwidth Equalization • Front / Rear / Sub Fader Compatible • 13 Graphic Equalizer Bands • Built-in Line Driver

(COLOR: GRAY) Six Inputs and Outputs • Dual-bandwidth Equalization • Front / Rear / Sub Fader Compatible • 13 Graphic Equalizer Bands • Built-in Line Driver

Boss AVA1210

7-Band Pre-Amp Half-DIN EQ with Subwoofer Output & Master Volume Control

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Boss AVA1210

7-Band Pre-Amp Half-DIN EQ with 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

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

NVX XEQ7 OPEN BOX

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

XEQ7 big DISCONTINUED
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NVX XEQ7 OPEN BOX

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

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

AudioControl EQX (White) - OPEN BOX

2 Channel Trunk-Mount 13 Band Equalizer with Crossover & 5-year warranty*!

EQX-White big DISCONTINUED
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AudioControl EQX (White) - OPEN BOX

2 Channel Trunk-Mount 13 Band Equalizer with Crossover & 5-year warranty*!

• Trunk Mount Equalizer with Crossover
• Programmable 24 dB/Octave 2-way Linkwitz-Riley Crossover
• Line and Speaker Level Inputs

• Trunk Mount Equalizer with Crossover
• Programmable 24 dB/Octave 2-way Linkwitz-Riley Crossover
• Line and Speaker Level Inputs

Clif Designs CD4Q

4-Band Parametric Equalizer

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Clif Designs CD4Q

4-Band Parametric Equalizer

4-Band In-Dash Equalizer • +/- 18dB • Variable Subwoofer Frequency • Subwoofer Outputs and Level Control • AUX Input & Switch • 1/2 DIN Size

4-Band In-Dash Equalizer • +/- 18dB • Variable Subwoofer Frequency • Subwoofer Outputs and Level Control • AUX Input & Switch • 1/2 DIN Size

Boss EQ1208

4-Band Pre-Amp Graphic Equalizer with RCA Inputs and Outputs

EQ1208 big DISCONTINUED
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Boss EQ1208

4-Band Pre-Amp Graphic Equalizer with 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

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• 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

NEW BOSS EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Output (2 Pack)

NEW BOSS EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Output (2 Pack)

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NEW BOSS EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Output (2 Pack)

NEW BOSS EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Output (2 Pack)

• 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

16

• 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

Phoenix Gold EQ 9.0

9-Band Graphic Equalizer with RCA AUX Inputs and 9V of Outputs

EQ 9.0 big DISCONTINUED
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Phoenix Gold EQ 9.0

9-Band Graphic Equalizer with RCA AUX Inputs and 9V of Outputs

• 9-Band Graphic Equalizer
• TrueTune Technology
• Removable terminal block for all input connections
• Panel Mount RCAs

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• 9-Band Graphic Equalizer
• TrueTune Technology
• Removable terminal block for all input connections
• Panel Mount RCAs

AudioControl LCQ-1 (White) R/B

6-channel line-output converter

LCQ-1-WHITE big DISCONTINUED
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AudioControl LCQ-1 (White) R/B

6-channel line-output converter

6-Channel Line Output Converter • 6-Channel Preamp Level Outputs • 12-Volt Turn-on Lead Output • Independent Front, Rear, and Sub EQ Controls •

6-Channel Line Output Converter • 6-Channel Preamp Level Outputs • 12-Volt Turn-on Lead Output • Independent Front, Rear, and Sub EQ Controls •

AudioControl Three.2 (Like New)

In-Dash Pre-Amp Equalizer / Subwoofer Crossover w/ Dual Auxiliary Inputs

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AudioControl Three.2 (Like New)

In-Dash Pre-Amp Equalizer / Subwoofer Crossover w/ Dual Auxiliary Inputs

Graphic Stereo Equalization • Para-BASS • Input Selection • 24dB/Octave Linkwitz Riley Crossover • Pre-Amp Line Driver • Master Volume Adjustment • Subwoofer Level Control • Fader Control • Adjustable Illumination

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Graphic Stereo Equalization • Para-BASS • Input Selection • 24dB/Octave Linkwitz Riley Crossover • Pre-Amp Line Driver • Master Volume Adjustment • Subwoofer Level Control • Fader Control • Adjustable Illumination

MA Audio MPE200

4-Band Variable Parametric Equalizer

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MA Audio MPE200

4-Band Variable Parametric Equalizer

4-Band Variable Parametric Equalizer with Subwoofer Pre-Amp • Fader • Main & Sub Volume • Adjustable Crossover • 20dB Headroom • 3 Pair Outputs • 2 Pair Inputs • AUX Input Sensitivity

4-Band Variable Parametric Equalizer with Subwoofer Pre-Amp • Fader • Main & Sub Volume • Adjustable Crossover • 20dB Headroom • 3 Pair Outputs • 2 Pair Inputs • AUX Input Sensitivity

Boss EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Sub Output (4 Pack)

Boss EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Sub Output (4 Pack)

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Boss EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Sub Output (4 Pack)

Boss EQ1208 4-Band Preamp Car Audio Equalizer w/ Subwoofer Sub Output (4 Pack)

• 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

16

• 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

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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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