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AudioControl EQL (White)

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

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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
• Color: Sierra White

• Trunk Mount Equalizer and Pre-Amp
• PFM Subsonic Filter
• Line and Speaker Level Inputs
7 Band, 1 Octave Equalizer
• Color: Sierra White

Alpine RUX-C800 Open Box (Complete)

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

NVX - Worth the Envy - Direct to Consumer Car Audio

Audiopipe EQ-908X OPEN BOX INCOMPLETE

9-Band Graphic Equalizer

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9-Band Graphic Equalizer

Brand new, Missing Power cord
• 9-Band Graphic Equalizer
• Crossover Slope: 12dB
• Cut/Boost: +/-10dB
• Signal-to-Noise Ratio: 94dB

Brand new, Missing Power cord
• 9-Band Graphic Equalizer
• Crossover Slope: 12dB
• Cut/Boost: +/-10dB
• Signal-to-Noise Ratio: 94dB

Kenwood eXcelon KOS-V1000 CarPortal

Factory System OEM Stereo Expansion Controller

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Factory System OEM Stereo Expansion Controller

Factory system expansion controller • 22W x 4 amplifier • compatible with Kenwood iPod adapter, satellite radio tuner, Bluetooth adapter, navigation system, TV tuner • inputs: 2 USB, 2 A/V inputs, backup camera input • 3 sets of preamp outputs, 2 sets A/V outputs

Factory system expansion controller • 22W x 4 amplifier • compatible with Kenwood iPod adapter, satellite radio tuner, Bluetooth adapter, navigation system, TV tuner • inputs: 2 USB, 2 A/V inputs, backup camera input • 3 sets of preamp outputs, 2 sets A/V outputs

AudioControl LCQ-1 (Black) Open Box

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

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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

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

NVX XUBT3_XEQ7

Universal Bluetooth Audio Receiver & Volume/Playback Controller Knob with 7-Band Graphic Stereo Equalizer

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Universal Bluetooth Audio Receiver & Volume/Playback Controller Knob with 7-Band Graphic Stereo Equalizer

• iPhone, Android & Bluetooth Device Ready
• One Knob Controls it all – Track, Pause & Volume
• Flush in Dash or Under Dash Mounting options
• Master & Subwoofer Volume Control (via EQ)
• Gold-Plated Contacts
• Blue Illumination
• 7V Preamp Outputs

• iPhone, Android & Bluetooth Device Ready
• One Knob Controls it all – Track, Pause & Volume
• Flush in Dash or Under Dash Mounting options
• Master & Subwoofer Volume Control (via EQ)
• Gold-Plated Contacts
• Blue Illumination
• 7V Preamp Outputs

AudioControl LC7i - Black (Open Box)

Six Channel Line Out Converter with AccuBASS & 5-year warranty*!

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Six Channel Line Out Converter with AccuBASS & 5-year warranty*!

• Six Channel Line Output Converter with AccuBASS
• Six Channels Of Active Speaker Level Inputs – Accepts Up To 400 Watts Per Channel
• AccuBASS Circuitry
• GTO Circuit – Powers Up The Lc7i When It Detects Signal On The Speaker Level Input

• Six Channel Line Output Converter with AccuBASS
• Six Channels Of Active Speaker Level Inputs – Accepts Up To 400 Watts Per Channel
• AccuBASS Circuitry
• GTO Circuit – Powers Up The Lc7i When It Detects Signal On The Speaker Level Input

Precision Power PPI E.DZ-OPEN BOX

7-Band Dual Zone Graphic Equalizer with Auxiliary Input and Independent Subwoofer Control

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7-Band Dual Zone Graphic Equalizer with Auxiliary Input and Independent Subwoofer Control

• PrecisionPower 7-Band Dual Zone Graphic Equalizer
• Auxiliary Input
• low-Pass Filter
• Red Backlit Control Knobs
• Fader Control
• Independent Subwoofer Level Control

• PrecisionPower 7-Band Dual Zone Graphic Equalizer
• Auxiliary Input
• low-Pass Filter
• Red Backlit Control Knobs
• Fader Control
• Independent Subwoofer Level Control

Kicker 10ZXSUM8 Open Box Complete

Line Out Converter Provides Complete Integration of Aftermarket Speakers into a Vehicle OEM System

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Line Out Converter Provides Complete Integration of Aftermarket Speakers into a Vehicle OEM System

• Line Out Converter For OEM Integration
• Sums and Balances Signals From the Factory Stereo
• Produces a Full-Bandwidth, Line-Level Output Signal
• Built-in Auxiliary Input

• Line Out Converter For OEM Integration
• Sums and Balances Signals From the Factory Stereo
• Produces a Full-Bandwidth, Line-Level Output Signal
• Built-in Auxiliary Input

JL Audio CL441dsp R/B

CleanSweep OEM Audio Interface

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CleanSweep OEM Audio Interface

CleanSweep OEM Audio Interface • 32 Bit SHARC DSP Processor • Automatically Equalizes Each Channel Independantly • Remote Level Control / Aux Input Selector • AUX Input • 2 Pair RCA Outputs

CleanSweep OEM Audio Interface • 32 Bit SHARC DSP Processor • Automatically Equalizes Each Channel Independantly • Remote Level Control / Aux Input Selector • AUX Input • 2 Pair RCA Outputs

AudioControl LC6i (Black) Open Box

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

Audiobahn AEQ7 Factory R/B

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

AudioControl LC8i - Black (Open Box)

8 Channel Line Output Converter with Auxiliary Input, 5-year warranty*!

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8 Channel Line Output Converter with Auxiliary Input, 5-year warranty*!

• Eight Speaker Level Inputs – Can Accept 400 Watt Signals!
• RCA Auxiliary Input for external device integration
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

• Eight Speaker Level Inputs – Can Accept 400 Watt Signals!
• RCA Auxiliary Input for external device integration
• GTO™ Signal-Sensing Input
• Internal Channel Summing
• Line Output Converter

AudioControl DQDX - Black/Blue (Open Box)

6 Channel Performance Digital Signal Processor with EQ, Crossover and Signal Delay plus 5-year warranty*!

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6 Channel Performance Digital Signal Processor with EQ, Crossover and Signal Delay plus 5-year warranty*!

• 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

• 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

Audiobahn AEQ8 Factory R/B

Half-DIN Size 4-Band Parametric Equalizer and Crossover

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Half-DIN Size 4-Band Parametric Equalizer and Crossover

In-Dash Four band parametric equalizer and Crossover • Subwoofer outputs and level controls • Gold plated RCA input connectors • Main/DVD input selector

In-Dash Four band parametric equalizer and Crossover • Subwoofer outputs and level controls • Gold plated RCA input connectors • Main/DVD input selector

SPL SPQ20 R/B

4-Band Parametric Pre-Amp Equalizer

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4-Band Parametric Pre-Amp Equalizer

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

AudioControl LC6i (White) OPEN BOX COMPLETE

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*!

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

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

Kicker KQ30 (03KQ30) Open Box (Complete)

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

AudioControl LC8i (Gray) R/B

8 Channel Line Output Converter

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8 Channel Line Output Converter

(COLOR: SALMON GRAY) 8 Input and Output Channels • GTO - Signal Sensing Inputs • Line Output Converter

(COLOR: SALMON GRAY) 8 Input and Output Channels • GTO - Signal Sensing Inputs • Line Output Converter

AudioControl EQL (Gray) - Open Box

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

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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: Salmon Gray

• 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: Salmon Gray

Autotek ATEQ7B

7-Band Parametric Equalizer with 9V Line Driver

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7-Band Parametric Equalizer with 9V Line Driver

• 7 band-Band Parametric Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 9 volts Max preamp outputs
• Subwoofer frequency and level control

• 7 band-Band Parametric Equalizer
• 3 Sets of preamp outputs (front, rear and subwoofer)
• 9 volts Max preamp outputs
• Subwoofer frequency and level control

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3-Band Parametric EQ & Universal Audio Processor

3-Band Parametric EQ & Universal Audio Processor

AudioControl LCQ-1 (Black)

6-Channel EQ Signal Processor with AccuBASS

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6-Channel EQ Signal Processor with AccuBASS

• 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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VIP Product Get $28.90 in rewards to spend later

• 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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11-Band Equalizer, DIN-Size with detachable faceplate, front, rear, and non-fading gold-plated RCA preouts...

11-Band Equalizer, DIN-Size with detachable faceplate, front, rear, and non-fading gold-plated RCA preouts...

AudioControl EQX - Black (Open Box)

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 LC7 (White)

6-Channel Line Out Converter (LOC) with iPod and Auxiliary Input

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6-Channel Line Out Converter (LOC) with iPod and Auxiliary Input

Six Channel Line Output Converter With Auxiliary Input • Stereo Auxiliary Input To Add An Ipod Or Satellite Radio • Remote Knob • Switch Between Factory Stereo And Auxiliary Source

Six Channel Line Output Converter With Auxiliary Input • Stereo Auxiliary Input To Add An Ipod Or Satellite Radio • Remote Knob • Switch Between Factory Stereo And Auxiliary Source

Rockford Fosgate 3SIXTY.1 ( WITH 1 IN MODEL ) R/B

Digital Sound Processor for OEM Integration

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Digital Sound Processor for OEM Integration

Digital Sound Processor • OEM integration • remote turn-on • 15-band adjustable EQ • programmable volume control • 6-channel speaker level inputs • seamless integration

Digital Sound Processor • OEM integration • remote turn-on • 15-band adjustable EQ • programmable volume control • 6-channel speaker level inputs • seamless integration

Factory Refurbished AudioControl LC6i (GRAY LC6)

Refurbished LC6i VERSION! - 6 Channel Line Output Converter with Internal Summing

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Refurbished LC6i VERSION! - 6 Channel Line Output Converter with Internal Summing

(COLOR: SALMON GRAY) Six Input and Output Channels • AutoMode Inputs • Signal Sensing Inputs • Line Output Converter

(COLOR: SALMON GRAY) Six Input and Output Channels • AutoMode Inputs • Signal Sensing Inputs • Line Output Converter

Pioneer DEQ-7600 Open Box

(Open Box) 15 Band Digital Equalizer with DSP

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(Open Box) 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

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Open Box - Store Return

OPEN BOX - LIKE NEW! • 7-Band Graphic Equalizer • 7V RCA Line-Level Output • Subwoofer Control

OPEN BOX - LIKE NEW! • 7-Band Graphic Equalizer • 7V RCA Line-Level Output • Subwoofer Control

AudioControl D4800 (Open Box, Complete)

800W RMS D-Series 4-Channel Amplifier with Digital Signal Processor

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800W RMS D-Series 4-Channel Amplifier with Digital Signal Processor

• D-Series 4-Channel Amplifier with Digital Signal Processor
• 4 ohm: 125 watts x 4 chan.
• 2 ohm: 200 watts x 4 chan.
• AudioControl's Smart User DSP software inlcluded
• 30 Bands of graphic equalization
• FEATURE 6
• FEATURE 7

• D-Series 4-Channel Amplifier with Digital Signal Processor
• 4 ohm: 125 watts x 4 chan.
• 2 ohm: 200 watts x 4 chan.
• AudioControl's Smart User DSP software inlcluded
• 30 Bands of graphic equalization
• FEATURE 6
• FEATURE 7

Sound Storm Labs (SSL) S4EQ

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

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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)

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*!

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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

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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

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

MA Audio MA15EQX

15-Band Graphic Equalizer w/ 3-way Crossover

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15-Band Graphic Equalizer w/ 3-way Crossover

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

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

AudioControl EQS - Black (Open Box)

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

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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

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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

Kicker 10ZXSUM8 - Open Box, Very Good Condition (Used)

Line Out Converter Provides Complete Integration of Aftermarket Speakers into a Vehicle OEM System

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Line Out Converter Provides Complete Integration of Aftermarket Speakers into a Vehicle OEM System


• Line Out Converter For OEM Integration
• Sums and Balances Signals From the Factory Stereo
• Produces a Full-Bandwidth, Line-Level Output Signal
• Built-in Auxiliary Input


• Line Out Converter For OEM Integration
• Sums and Balances Signals From the Factory Stereo
• Produces a Full-Bandwidth, Line-Level Output Signal
• Built-in Auxiliary Input

Alpine VehicleHub Pro VPA-B222 R/B

Factory OEM Audio and Video Control System

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Factory OEM Audio and Video Control System

The Alpine VPA-B222 VehicleHub Pro lets you add aftermarket components such as amps or processors to your factory installed system, regardless of vehicle brand and dashboard configurations...

The Alpine VPA-B222 VehicleHub Pro lets you add aftermarket components such as amps or processors to your factory installed system, regardless of vehicle brand and dashboard configurations...

AudioControl DQ-61

6-Channel EQ and Line Output Converter with Signal Delay

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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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VIP Product Get $37.50 in rewards to spend later

• 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

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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