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  1. Home
  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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Equalizers,
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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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AudioControl LCQ-1

6-Channel OEM Integration Line Out Converter with Equalizer & AccuBASS, 5-year warranty*!

LCQ-1-GRAY big DISCONTINUED
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AudioControl LCQ-1

6-Channel OEM Integration Line Out Converter with Equalizer & AccuBASS, 5-year warranty*!

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

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

Audiobahn AEQ6Q Factory R/B

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

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Audiobahn AEQ6Q Factory R/B

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

5 Band Stereo Equalizer

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5 Band Stereo Equalizer

Alpine PXE-0850S

12 channel, Digital signal processor with advanced wireless smartphone control

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Alpine PXE-0850S

12 channel, Digital signal processor with advanced wireless smartphone control

• Wireless Digital Signal Processor
• Make adjustments via Bluetooth on a PC or a smartphone
• Stream music directly to the processor
• Great for UTVs and other vehicles

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• Wireless Digital Signal Processor
• Make adjustments via Bluetooth on a PC or a smartphone
• Stream music directly to the processor
• Great for UTVs and other vehicles

Massive Audio EQM

Graphic EQ / All-In-One Media Player

EQM big DISCONTINUED
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Massive Audio EQM

Graphic EQ / All-In-One Media Player

Graphic EQ / All-In-One Media Player • Graphic EQ With Master Volume Control • USB input (Any File Format w/ Root Folders) • Fast Forward, Replay, Play, Pause buttons On Faceplate • AUX Input On Faceplate For External iPhone, or Media Player

Graphic EQ / All-In-One Media Player • Graphic EQ With Master Volume Control • USB input (Any File Format w/ Root Folders) • Fast Forward, Replay, Play, Pause buttons On Faceplate • AUX Input On Faceplate For External iPhone, or Media Player

Crossfire CFQ31M

31-Channel Graphic Mono EQ

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Crossfire CFQ31M

31-Channel Graphic Mono EQ

31-Band Graphic Mono Equalizer • Master Volume Control • Mono Gain Adjustments

31-Band Graphic Mono Equalizer • Master Volume Control • Mono Gain Adjustments

AudioControl EQS (Gray)

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

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AudioControl EQS (Gray)

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: Salmon Gray

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

Wet Sounds WS 220 BT OPEN BOX

4-Zone Level Controller with Bluetooth (WetSounds)

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Wet Sounds WS 220 BT OPEN BOX

4-Zone Level Controller with Bluetooth (WetSounds)

• 4-Zone Level Controller with Bluetooth
• Selectable illumination color display
• 3.5mm Auxillary input and output
• Includes talk back microphone
• 5V line drive

• 4-Zone Level Controller with Bluetooth
• Selectable illumination color display
• 3.5mm Auxillary input and output
• Includes talk back microphone
• 5V line drive

AudioControl LCQ-1 (White)

6-Channel OEM Integration Line Out Converter with Equalizer & AccuBASS, 5-year warranty*!

LCQ-1-WHITE big DISCONTINUED
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AudioControl LCQ-1 (White)

6-Channel OEM Integration Line Out Converter with Equalizer & AccuBASS, 5-year warranty*!

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

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• 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 Open Box Complete

In-Dash Pre-Amp Equalizer / Subwoofer Crossover w/ Dual Auxiliary Inputs & 5-year warranty*!

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AudioControl Three.2 Open Box Complete

In-Dash Pre-Amp Equalizer / Subwoofer Crossover w/ Dual Auxiliary Inputs & 5-year warranty*!

• Item Condition: Open Box Complete
• 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

• Item Condition: Open Box Complete
• 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

AudioControl Three.2

2-Way Half-DIN Preamp/Equalizer and Subwoofer Crossover

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AudioControl Three.2

2-Way Half-DIN Preamp/Equalizer and Subwoofer Crossover

• 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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VIP Product Get $32.50 in rewards to spend later

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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

Wet Sounds WS-420 BT(open box complete)

Bluetooth Enabled 4-Band Parametric Marine Equalizer w/ 3 Zone Operation & Microphone (WetSounds)

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Wet Sounds WS-420 BT(open box complete)

Bluetooth Enabled 4-Band Parametric Marine Equalizer w/ 3 Zone Operation & Microphone (WetSounds)

• 4-Band Parametric Marine Equalizer
• Built-In Bluetooth
• Microphone Turns Your System into a PA
• Frequency Response: 10-40,000 Hz
• Signal-to-Noise Ratio: 80dB

• 4-Band Parametric Marine Equalizer
• Built-In Bluetooth
• Microphone Turns Your System into a PA
• Frequency Response: 10-40,000 Hz
• Signal-to-Noise Ratio: 80dB

Precision Power PPI E.7

1/2 DIN 7-Band Parametric Equalizer w/ LED Display

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Precision Power PPI E.7

1/2 DIN 7-Band Parametric Equalizer w/ LED Display

• 7-Band Parametric Equalizer
• Cut/Boost: +/-12dB
• Independent Subwoofer Level Control
• Variable 30-300Hz Subwoofer Low-Pass Filter

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VIP Product Get $9.00 in rewards to spend later

12

• 7-Band Parametric Equalizer
• Cut/Boost: +/-12dB
• Independent Subwoofer Level Control
• Variable 30-300Hz Subwoofer Low-Pass Filter

Power Acoustik PWM-16 R/B

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

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Power Acoustik PWM-16 R/B

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

4-Band Graphic Equalizer with Built-In Pre-Amp, 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

4-Band Graphic Equalizer with Built-In Pre-Amp, 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

Precision Power PPI DEQ.8

Digital Sound Processor w/ 31 Band Graphic Equalizer & 9 Band Parametric EQ w/ Time Alignment

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Precision Power PPI DEQ.8

Digital Sound Processor w/ 31 Band Graphic Equalizer & 9 Band Parametric EQ w/ Time Alignment

• 31-Band Graphic/Parametric Equalizer with Digital Signal Processing
• 9-Band Parametric Equalizer
• Configures Through a PC or MAC for Real Time Adjustments
• 8-Channel Outputs
• High Level Inputs for Factory Integration
• 24-Bit DAC

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• 31-Band Graphic/Parametric Equalizer with Digital Signal Processing
• 9-Band Parametric Equalizer
• Configures Through a PC or MAC for Real Time Adjustments
• 8-Channel Outputs
• High Level Inputs for Factory Integration
• 24-Bit DAC

AudioControl DQT

Stereo 1/3 Octave Digital Equalizer (Platinum Silver)

DQT-SILVER big DISCONTINUED
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AudioControl DQT

Stereo 1/3 Octave Digital Equalizer (Platinum Silver)

Digital Controlled • Eight User Programmable Memories • Utilizes an Audio Enhanced DSP • Thirty Constant-Q Bands • Two Parametric Filters • Stereo Inputs and OutPuts • LCD Display • Platinum Silver

1

Digital Controlled • Eight User Programmable Memories • Utilizes an Audio Enhanced DSP • Thirty Constant-Q Bands • Two Parametric Filters • Stereo Inputs and OutPuts • LCD Display • Platinum Silver

Absolute EQ600

5 Band In-Dash Graphic Equalizer with Line Driver

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Absolute EQ600

5 Band In-Dash Graphic Equalizer with Line Driver

5 Band In-Dash Graphic Equalizer with Line Driver • Equalization Boost/Cut • 105 dB S/N Ratio • Frequency Response: 10-50,000 Hz • half DIN • 7 Volt Line Driver

5 Band In-Dash Graphic Equalizer with Line Driver • Equalization Boost/Cut • 105 dB S/N Ratio • Frequency Response: 10-50,000 Hz • half DIN • 7 Volt Line Driver

AudioControl DQL-8

Eight Channel Line Output Converter with Auxiliary Input and Digital Signal Processing

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AudioControl DQL-8

Eight Channel Line Output Converter with Auxiliary Input and Digital Signal Processing

8-channel Line Output Converter with Digital Signal Processing • 8 Input and 6 output channel • 8-user Adjustable memory • 24 dB/octave Linkwitz-Riley alignment crossover

1

8-channel Line Output Converter with Digital Signal Processing • 8 Input and 6 output channel • 8-user Adjustable memory • 24 dB/octave Linkwitz-Riley alignment crossover

AudioControl DQDX-BLUE Open Box Complete

6 Channel Performance Digital Signal Processor with EQ Crossover and Signal Delay

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AudioControl DQDX-BLUE Open Box Complete

6 Channel Performance Digital Signal Processor with EQ Crossover and Signal Delay

• Item Condition: Open Box Compete
• 6-Channel LOC Line Driver w/ 14 Band Equalizer
• Selectable Crossover Frequency: 50-500 Hz
• Frequency Response: 10-22,000Hz
• 24 dB/Octave Linkwitz-Riley Crossover

• Item Condition: Open Box Compete
• 6-Channel LOC Line Driver w/ 14 Band Equalizer
• Selectable Crossover Frequency: 50-500 Hz
• Frequency Response: 10-22,000Hz
• 24 dB/Octave Linkwitz-Riley Crossover

RCA RCEQ769

7-Band Parametric Equalizer

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RCA RCEQ769

7-Band Parametric Equalizer

Equalizer/Crossover • 7-band stereo EQ/crossover designed for the mobile environment • High-signal-to-noise ratio to drive your audio system to full power

Equalizer/Crossover • 7-band stereo EQ/crossover designed for the mobile environment • High-signal-to-noise ratio to drive your audio system to full power

Power Acoustik DG-7Q R/B

7 Band Digital Equalizer with Built-in Volt Meter

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Power Acoustik DG-7Q R/B

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

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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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