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Discontinued Car Equalizers (EQs)

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AudioControl EQX (Gray)

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

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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

AudioControl FOUR.1i

In-Dash Car Audio Equalizer with Auxiliary Input & 5-year warranty*!

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In-Dash Car Audio Equalizer with Auxiliary Input & 5-year warranty*!

br /> • In-Dash Car Audio Equalizer with Auxiliary Input
• Para-BASS Low Frequency Controls
• Balanced Differential Inputs and Outputs
• 13Vpeak Line Driver

br /> • In-Dash Car Audio Equalizer with Auxiliary Input
• Para-BASS Low Frequency Controls
• Balanced Differential Inputs and Outputs
• 13Vpeak Line Driver

NVX - Worth the Envy - Direct to Consumer Car Audio

NVX XEQ7 - Open Box, Good Condition Used

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

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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

Hifonics HFEQ Open Box, Very Good Condition Used

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

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

• Item Condition: Open Box
• 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

• Item Condition: Open Box
• 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

PowerBass AEQ7XO

4 Band Graphic Equalizer W/ Subwoofer output

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4 Band Graphic Equalizer W/ Subwoofer output

4 Band Graphic Equalizer • Subwoofer output • Fader Control • Bass Boost: ±12dB • Channel Separation: 70dB

4 Band Graphic Equalizer • Subwoofer output • Fader Control • Bass Boost: ±12dB • Channel Separation: 70dB

Cadence DSP4.8

8 Channel Cirrus Logic powered 32 Bit Core / 192kHz Digital Signal Processor with 4 Saved Settings

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8 Channel Cirrus Logic powered 32 Bit Core / 192kHz Digital Signal Processor with 4 Saved Settings

• Cirrus Logic powered 32 Bit Core / 192kHz Digital Signal Processor
• 8 Channel RCA Output
• 192khz S/PDIF Optical Digital Input
• 192khz S/PDIF Coaxial Digital Input
• 16 band Parametric Equalizer for each channel
• Crossover selections: Full Range, High Pass, Low Pass or bandpass

• Cirrus Logic powered 32 Bit Core / 192kHz Digital Signal Processor
• 8 Channel RCA Output
• 192khz S/PDIF Optical Digital Input
• 192khz S/PDIF Coaxial Digital Input
• 16 band Parametric Equalizer for each channel
• Crossover selections: Full Range, High Pass, Low Pass or bandpass

Power Acoustik PWM-70

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

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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

• 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

Audiopipe EQ-908X

9-Band Graphic Equalizer

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9-Band Graphic Equalizer

• 9-Band Graphic Equalizer
• Crossover Slope: 12dB
• Cut/Boost: +/-10dB
• Signal-to-Noise Ratio: 94dB

• 9-Band Graphic Equalizer
• Crossover Slope: 12dB
• Cut/Boost: +/-10dB
• Signal-to-Noise Ratio: 94dB

Kicker KQ30 (03KQ30)

30-Band Graphic Equalizer w/ 9 Volt Pre-Amp Output

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30-Band Graphic Equalizer w/ 9 Volt Pre-Amp Output

• 30-band Graphic EQ and Pre-Amp
• Center Frequencies at 1/3 octave intervals
• Signal-to-Noise Ratio: >95dB
• Input Sensitivity: 500mV - 9 volts
• Output Level: 0 - 9 volts
• Stereo/Mono Operation

• 30-band Graphic EQ and Pre-Amp
• Center Frequencies at 1/3 octave intervals
• Signal-to-Noise Ratio: >95dB
• Input Sensitivity: 500mV - 9 volts
• Output Level: 0 - 9 volts
• Stereo/Mono Operation

Soundstream iCQ4

4 Channel OEM Integration Module (Line Output Converter)

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4 Channel OEM Integration Module (Line Output Converter)

• 4 Channel OEM Integration Module
• 4 Input and Output Channels
• Includes Remote Gain Control
• Low Noise Floor Line Driver

• 4 Channel OEM Integration Module
• 4 Input and Output Channels
• Includes Remote Gain Control
• Low Noise Floor Line Driver

Clarion EQS746 (Ships as EQS755) Open Box, Very Good Condition (Used)

7-Band Graphic Equalizer (EQS-746) with 1/2-DIN Chassis, Auxiliary Input and Selectable Low Pass Crossover Open Box Complete (Very Good, Used)

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7-Band Graphic Equalizer (EQS-746) with 1/2-DIN Chassis, Auxiliary Input and Selectable Low Pass Crossover Open Box Complete (Very Good, Used)

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

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

American Bass AB7BV

7-Band Pre-Amp Equalizer w/ Digital Display

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7-Band Pre-Amp Equalizer w/ Digital Display

• 7-Band Pre-Amp Equalizer w/ Digital Display
• Max Output Voltage: 7V RMS
• Equalization Range: +- 12dB
• Input Impedance: 15,000 Ohm
• S/N Ratio: 90dB
• THD: .05%
• Frequency Response: 10Hz-50KHz

• 7-Band Pre-Amp Equalizer w/ Digital Display
• Max Output Voltage: 7V RMS
• Equalization Range: +- 12dB
• Input Impedance: 15,000 Ohm
• S/N Ratio: 90dB
• THD: .05%
• Frequency Response: 10Hz-50KHz

4-Band Preamp Equalizer • Subwoofer Output

Pioneer DEQ-7600

15 Band Digital Equalizer with DSP

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15 Band Digital Equalizer with DSP

DSP Equalizer • Full-DIN chassis • 15-band digital EQ • spectrum analyzer • 5 preset/3 programmable EQ curves • 4-mode listening position switch • 5 DSP soundfields • selectable low-pass crossover • 3 sets of preamp outputs

DSP Equalizer • Full-DIN chassis • 15-band digital EQ • spectrum analyzer • 5 preset/3 programmable EQ curves • 4-mode listening position switch • 5 DSP soundfields • selectable low-pass crossover • 3 sets of preamp outputs

Pioneer DEQ-9200

3-Band Parametric Equalizer and Universal Audio Processor

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3-Band Parametric Equalizer and Universal Audio Processor

3-Band Parametric EQ & Universal Audio Processor

3-Band Parametric EQ & Universal Audio Processor

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7-Band Graphic Equalizer • 7V RCA Line-Level Output • Subwoofer Control

7-Band Graphic Equalizer • 7V RCA Line-Level Output • Subwoofer Control

Power Acoustik PWM-30M

Single DIN 6 Band Parametric Equalizer

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Single DIN 6 Band Parametric Equalizer

Single Din 6 Band Parametric Equalizer • 4 Channel preamp outputs (7V RMS) • X-Breath two-tone color intelligent button illumination • Front and rear separate equalizer adjustment

Single Din 6 Band Parametric Equalizer • 4 Channel preamp outputs (7V RMS) • X-Breath two-tone color intelligent button illumination • Front and rear separate equalizer adjustment

Absolute EQ500

5-Band Crossover and Equalizer with Parametric Sub Band and Preamp Line Driver

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5-Band Crossover and Equalizer with Parametric Sub Band and Preamp Line Driver

5 Band In-Dash Graphic Equalizer • Parametric Sub Band • 7V Line Driver • Gold-Plated RCA Connectors • Selectable Illumination • Auxiliary Input • Front and Rear Outputs with Fader Control

5 Band In-Dash Graphic Equalizer • Parametric Sub Band • 7V Line Driver • Gold-Plated RCA Connectors • Selectable Illumination • Auxiliary Input • Front and Rear Outputs with Fader Control

MTX Audio reQ-5 (re-Q 5)

OEM Bass Restoration & Signal Processor (re-Q5, re-Q 5, reQ5)

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OEM Bass Restoration & Signal Processor (re-Q5, re-Q 5, reQ5)

Bass Restoration & Signal Processor • Auxiliary input • Input Channels: FL, FR, RL, RR, Sub • Output Channels: FL, FR, RL, RR, Sub • Can be installed before or after stock amps

Bass Restoration & Signal Processor • Auxiliary input • Input Channels: FL, FR, RL, RR, Sub • Output Channels: FL, FR, RL, RR, Sub • Can be installed before or after stock amps

Dual BRP9004

Digital Bass Restoration Processor

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Digital Bass Restoration Processor

• Input sensitivity: Up to 15V
• Boosts low frequency power to any system
• Bass Boost: 0 to +18dB
• Frequency response: 10 - 100Hz
• Subwoofer frequency range, center frequency and bass boost controls

• Input sensitivity: Up to 15V
• Boosts low frequency power to any system
• Bass Boost: 0 to +18dB
• Frequency response: 10 - 100Hz
• Subwoofer frequency range, center frequency and bass boost controls

NVX - Worth the Envy - Direct to Consumer Car Audio

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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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