Top 10 Best Car Audio Preamplifiers
for May 2022

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1
9.7
SCORE
Powerbass Car Audio Eq Sound Processor 9-band Equalizer Pre-amp

Powerbass Car Audio Eq Sound Processor 9-band Equalizer Pre-amp

by PowerBass
What We like

2 Low Level RCA Inputs: Rear Aux and Rear CD, 3 Low Level RCA Outputs: Sub, Front and Rear

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Product Features

  • Bi-Polar Mosfet PWM Power Supply
  • EQ Centers: 50Hz, 120Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz & 16kHz
  • Variable Subwoofer Frequency Roll-off 30Hz-120Hz
  • 9-Band Active Equalizer

Eq centers: 50hz, 120hz, 250hz, 500hz, 1khz, 2khz, 4khz, 8khz & 16khz 9-band active equalizer Variable subwoofer frequency roll-off 30hz-120hz Bi-polar mosfet pwm power supply

2
9.7
SCORE
Clarion EQS755 7-Band Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input, Rear RCA Auxiliary Input and High Level Speaker Inputs

Clarion EQS755 7-Band Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input

Rear RCA Auxiliary Input and High Level Speaker Inputs

by Clarion Mobile Electronics
What We like

This unit is exclusively for vehicles with a negative ground, 12V battery system.

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Product Features

  • 7-Band Graphic Equalizer 6-Channel / 7 Volt RCA Outputs (Front/Rear/Subwoofer)
  • Gold Plated Terminals Dimensions:7"(W) 1"(H) 4"(D)
  • Adjustable Master Volume Level Control Adjustable Subwoofer Level Control
  • 2-Channel RCA AUX Input with Adjustable Gain Selectable 12dB Low-Pass Crossover (60Hz or 90Hz)

2-channel rca aux input with adjustable gain selectable 12db low-pass crossover (60hz or 90hz) Adjustable master volume level control adjustable subwoofer level control 7-band graphic equalizer 6-channel / 7 volt rca outputs (front/rear/subwoofer) Gold plated terminals dimensions:7"(w) 1"(h) 4"(d)

3
9.4
SCORE
Hifonics HFEQ7 7-Band 9 Volts 1/2 DIN Pre-Amp Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input, Rear RCA Auxiliary Input and High Level Speaker Inputs

Hifonics HFEQ7 7-Band 9 Volts 1/2 DIN Pre-Amp Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input

Rear RCA Auxiliary Input and High Level Speaker Inputs

by Hifonics Audio
What We like

Half-DIN, 7-Band Preamp EQ With Front/Rear Active Crossover Features

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Product Features

  • Master Volume Control Of The SPL-Level For Both Sound Sources
  • Line Driver Circuit Delivers 9 Volts Of Preamp Level Signal Through The RCAs
  • Selectable Subwoofer Output Frequency: 60Hz, 80Hz, 120Hz
  • Frequency Response: 10Hz - 20kHz | Signal to Noise Ratio: >99dB

Line driver circuit delivers 9 volts of preamp level signal through the rcas Master volume control of the spl-level for both sound sources Frequency response: 10hz - 20khz | signal to noise ratio: >99db Selectable subwoofer output frequency: 60hz, 80hz, 120hz

4
9
SCORE
MB Quart MBEQ7B 7-Band 9 Volts 1/2 DIN Pre-Amp Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input, Rear RCA Auxiliary Input and High Level Speaker Inputs,Silver

MB Quart MBEQ7B 7-Band 9 Volts 1/2 DIN Pre-Amp Car Audio Graphic Equalizer with Front 3.5mm Auxiliary Input

Rear RCA Auxiliary Input and High Level Speaker Inputs, Silver

by MB Quart Audio
What We like

Half-DIN, 7-Band Preamp EQ With Front/Rear Active Crossover Features

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Product Features

  • Selectable Subwoofer Output Frequency: 60Hz, 80Hz, 120Hz
  • Line Driver Circuit Delivers 9 Volts Of Preamp Level Signal Through The RCAs
  • Frequency Response: 10Hz - 20kHz | Signal to Noise Ratio: >99dB
  • Master Volume Control Of The SPL-Level For Both Sound Sources

Line driver circuit delivers 9 volts of preamp level signal through the rcas Frequency response: 10hz - 20khz | signal to noise ratio: >99db Master volume control of the spl-level for both sound sources Selectable subwoofer output frequency: 60hz, 80hz, 120hz

5
8.9
SCORE
Audiotek 8700DSP 1/2 Din 7 Band Car Audio Equalizer EQ Front, Rear + Sub Output, Up to 7V RMS of Output, Gold-Plated RCA connectors for Best Audio Output for Car, Boat, RV, RTV, Motorcycle

Audiotek 8700DSP 1/2 Din 7 Band Car Audio Equalizer EQ Front

Rear + Sub Output, Up to 7V RMS of Output, Gold-Plated RCA connectors for Best Audio Output for Car, Boat, RV, RTV, Motorcycle

by Audiotek
What We like

Extended frequency response from 20Hz to 30kHz with exceptional 100dB signal-to-noise performance

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Product Features

  • Three stereo RCA outputs to drive front, rear, and subwoofer audio amplifiers
  • Subwoofer output uses a built-in 12dB per octave electronic crossover fixed at 30Hz-300Hz
  • Separate controls for master volume, subwoofer volume (sub level), front/rear fader, and selection of main or auxiliary inputs
  • An auxiliary stereo RCA input for use with portable devices, such as an MP3 Player or DVD player

An auxiliary stereo rca input for use with portable devices, such as an mp3 player or dvd player Separate controls for master volume, subwoofer volume (sub level), front/rear fader, and selection of main or auxiliary inputs Subwoofer output uses a built-in 12db per octave electronic crossover fixed at 30hz-300hz Three stereo rca outputs to drive front, rear, and subwoofer audio amplifiers

6
8.7
SCORE
BOSS Audio Systems BX55 2 3 Way Pre-Amp Car Electronic Crossover with Remote Subwoofer Control

BOSS Audio Systems BX55 2 3 Way Pre-Amp Car Electronic Crossover with Remote Subwoofer Control

by BOSS AUDIO
What We like

Dimensions: Depth 6.5 x Width 8.8 x Height 1.5

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Product Features

  • Variable Subwoofer Filter 40 Hz 4200 Hz, Variable High Pass Filter 65 Hz 4.5 kHz
  • Front High Pass Filter 65Hz to 4.5 kHz, Rear High Pass Filter 65Hz to 4.5 kHz
  • Front / Rear / Sub Input, Front / Rear / Sub Outputs, Remote Subwoofer Control
  • Variable Bass Boost 0 18 dB, Variable Bass Boost Frequency 25 Hz 250 Hz
  • Crossover Slope 12 dB / Octave, Variable Subwoofer Phase 0 180 Degrees

Variable subwoofer filter 40 hz 4200 hz, variable high pass filter 65 hz 4.5 khz Front / rear / sub input, front / rear / sub outputs, remote subwoofer control Variable bass boost 0 18 db, variable bass boost frequency 25 hz 250 hz Front high pass filter 65hz to 4.5 khz, rear high pass filter 65hz to 4.5 khz Maximum input voltage 4.5 volts, maximum output voltage 9 volts, s / n ratio 110 db, thd 0.010 Crossover slope 12 db / octave, variable subwoofer phase 0 180 degrees

7
8.6
SCORE
FX-AUDIO TUBE-03 Tube Preamp GE5654 Tube Hi-Fi Tube Preamplifier with Bass & Treble Control Home Theater Stereo Audio Preamplifier DC 12V (Black)

FX-AUDIO- FX-AUDIO TUBE-03 Tube Preamp GE5654 Tube Hi-Fi Tube Preamplifier with Bass & Treble Control Home Theater Stereo Audio Preamplifier DC 12V (Black)

by FX-AUDIO-
What We like

Premium Material Textured aluminum alloy shell, black immersion gold PCB sheet and gold-plated interface ensures more stable signal transmit. This preamp offers natural and soft sound to your home theater, HIFI devices, etc

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Product Features

  • Bass & Treble Control The vacuum tube preamplifier has bass knob, treble knob, and main volume knob. Bass and treble control offers two types of music. It will be convenient for you to adjust the bass or treble freely as your preference
  • RCA Input & Output Input: smartphone, computer, CD, DVD, MP3, TV, blu-ray players. Output: active speaker, or amplifier and passive speaker (can not connect passive speaker directly)
  • GE5654 Tube and Chip This TUBE-03 tube preamplifier is equipped with triodes GE5654 vacuum tube and NE5532 OP IC. It offers you more sweet and retro music. This GE5654 vacuum & valve tubes are replaceable with 6J1, 6K4. OP chip NE5532 can be replaced by AD827JN / MUSE02

Rca input & output input: smartphone, computer, cd, dvd, mp3, tv, blu-ray players. output: active speaker, or amplifier and passive speaker (can not connect passive speaker directly) Ge5654 tube and chip this tube-03 tube preamplifier is equipped with triodes ge5654 vacuum tube and ne5532 op ic. it offers you more sweet and retro music. this ge5654 vacuum & valve tubes are replaceable with 6j1, 6k4. op chip ne5532 can be replaced by ad827jn / muse02 Bass & treble control the vacuum tube preamplifier has bass knob, treble knob, and main volume knob. bass and treble control offers two types of music. it will be convenient for you to adjust the bass or treble freely as your preference

8
8.1
SCORE
BOSS Audio Systems AVA1210 7 Band Pre-Amp Car Equalizer with Gold-Plated Front Rear and Subwoofer Outputs

BOSS Audio Systems AVA1210 7 Band Pre-Amp Car Equalizer with Gold-Plated Front Rear and Subwoofer Outputs

by BOSS AUDIO
What We like

Subwoofer Level Control

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Product Features

  • Dimensions: Depth 4.6 x Width 7 x Height 1
  • Night illumination
  • 7 Bands
  • Subwoofer level control; Preamp/amplified, Preamp
  • Inputs: Dual 2 Channel Source. Outputs: Front, Rear & Sub. Fader Control

Signal to noise ratio > 110 db, channel separation 20 db, total harmonic distortion 0.050 Rear adjustable eq bands frequencies: 50 hz, 600 hz, 6.3 khz Subwoofer level control; preamp/amplified, preamp Rca input; subwoofer output Inputs: dual 2 channel source. outputs: front, rear & sub. fader control Night illumination 7 bands Front adjustable eq band frequencies: 125 hz, 500 hz, 3.5 khz, 12 khz Dimensions: depth 4.6 x width 7 x height 1 Gain + / - 18 db, maximum input voltage 15 volts, maximum output voltage 8 volts

9
8.1
SCORE
Rockville R7EQ 1/2 Din 7 Band Car Audio Equalizer EQ w/Front, Rear + Sub Output

Rockville R7EQ 1/2 Din 7 Band Car Audio Equalizer EQ w/Front

Rear + Sub Output

by Rockville
What We like

Features of R7EQ: Rockville R7EQ 1/2 Din 7 Band Car Audio Equalizer EQ w/ Front, Rear + Sub Output, Includes mounting brackets and screws for easy installation, 7 adjustable bands of equalization (50Hz,125Hz,315Hz,750Hz,2.2KHz,6KHz and 12KHz), Each band is adjustable from -18dB to +18dB, Adjustable subwoofer frequency from 40Hz to 250Hz

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Product Features

  • Strong metal chassis with high quality rotary knobs for all controls, Amazing quality with low distortion (Built with top quality components), Frequency response: 20Hz TO 20KHz +/- 1dB, S/N Ratio: 101 dB, Crossover Roll-Off: 12dB per octave, Input impedance: 10K
  • Input sensitivity: 200mv per channel >7V, THD: 0.01%, Input: 12V, Output: 15V, Power requirement: 11-16V DC, Unit dimensions in inches: 7.04 x 4.72 1.1
  • Built in crossover, Subwoofer level controls and subwoofer frequency cutoff controls (40-250 Hz), Built in 7 volt line driver, Blue LED lights on each rotary knob, Front, rear, and sub preamp outputs, Aux input with gain knob to adjust aux volume

Strong metal chassis with high quality rotary knobs for all controls, amazing quality with low distortion (built with top quality components), frequency response: 20hz to 20khz +/- 1db, s/n ratio: 101 db, crossover roll-off: 12db per octave, input impedance: 10k Input sensitivity: 200mv per channel >7v, thd: 0.01%, input: 12v, output: 15v, power requirement: 11-16v dc, unit dimensions in inches: 7.04 x 4.72 1.1 Built in crossover, subwoofer level controls and subwoofer frequency cutoff controls (40-250 hz), built in 7 volt line driver, blue led lights on each rotary knob, front, rear, and sub preamp outputs, aux input with gain knob to adjust aux volume

10
8.1
SCORE
Massive Audio EQ4 Car Equalizer with 4 Band Graphic Equalizer - AUX inputs - 8V Line Driver - 12dB Crossover

Massive Audio EQ4 Car Equalizer with 4 Band Graphic Equalizer

AUX inputs, 8V Line Driver, 12dB Crossover

by Massive Audio
What We like

EASY TO INSTALL. LONG LASTING. | The Massive Audio EQ4 Car Audio Equalizer is easy to install and produces amazing results for years! The EQ4 is the perfect device to enhance your Car Audio's performance, and the Best Car Equalizer in its class! Dimensions: 7"(W) " 1"(H) " 4 1/8"(D)

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Product Features

  • SAY GOODBYE TO WHITE NOISE | Don't waste your time or money on cheap quality Car Audio Equalizers that produce a lot of background noise. With Selectable 12dB Low-Pass Crossover (60Hz or 90Hz), and Nickel Plated Terminals, you're sure to get great crossovers and perfect sound quality.
  • TOP RATED CAR AUDIO EQUALIZER | The EQ4 Massive Audio Car Stereo Equalizer is a half din 4 band graphic equalizer that will correct peaks and dips in sound characteristics associated with most vehicles' interior. This Graphic Equalizer also features a switch to change the LED color from Red to Blue depending on the interior of the vehicle.
  • MORE TUNING CONTROL | With Stellar features such as: Adjustable Master Volume Level, Adjustable Subwoofer Level, 2-Channel RCA Aux Input and Adjustable Gain, 4-Band, 1/2 DIN, 8V Line Driver, Auxiliary inputs, 6-Channel / 7V RCA Outputs, you can take full control on how you like your music to sound! Clearer, Better, Perfect.
  • MASSIVE AUDIO QUALITY | Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.MASSIVE AUDIO QUALITY | Since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.

Top rated car audio equalizer | the eq4 Massive Audio car stereo equalizer is a half din 4 band graphic equalizer that will correct peaks and dips in sound characteristics associated with most vehicles' interior. this graphic equalizer also features a switch to change the led color from red to blue depending on the interior of the vehicle. More tuning control | with stellar features such as: adjustable master volume level, adjustable subwoofer level, 2-channel rca aux input and adjustable gain, 4-band, 1/2 din, 8v line driver, auxiliary inputs, 6-channel / 7v rca outputs, you can take full control on how you like your music to sound! clearer, better, perfect. Say goodbye to white noise | don't waste your time or money on cheap quality car audio equalizers that produce a lot of background noise. with selectable 12db low-pass crossover (60hz or 90hz), and nickel plated terminals, you're sure to get great crossovers and perfect sound quality. Massive Audio quality | since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.Massive Audio quality | since 1999, Massive Audio has been an industry leader in high performance audio products. Massive Audio laid its roots in high quality audio reproduction through in-house engineering and a dedication to customers.

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