If you’re looking for the car audio signal processor you’re in the right place. We spent a lot of time reviewing best car audio signal processor to come up with the Ten that we think stand apart from the pack in style, functionality, and value. In this guide, we have reviewed all the products and generated the best options available today for you.
We analyzed and compared 35 car audio signal processor sold for nearly 35 hours, and considered the opinions of 673 consumers. Following our last update, our favorite model is the AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/Remote Knob, Black. However, if you don’t want to spend extra then we have another vast option for you is PRV AUDIO Car Audio DSP 2.8X Digital Crossover and Equalizer 8 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay.
Below is a review of some of the best car audio signal processor together with their extra features and functions. Wanna find the Top car audio signal processor? Read the below list right the way.
Best car audio signal processor
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Product Title
Score
PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer 4 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
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9.7
Taramps DSP Pro 2.4S White Crossover Full Digital Signal Car Audio Processor and Equalizer with Sequencer 15-Band Graphic Equalization 12 preset EQ, Remote Signal, Alignment, 2 Channel in and 4 Out
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9.6
AudioControl EPICENTER Digital Bass Restoration Control Processor, Car Audio Bass Booster Enhancer with Wired Remote Control (Black)
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9.2
PRV AUDIO Car Audio DSP 2.8X Digital Crossover and Equalizer 8 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
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8.9
Timpano TPT-SP4BT Bluetooth DSP 4 Output Channel- Full Digital Signal DSP Car Audio Processor – Built-in Voltmeter and Remote Relay
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8.4
AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/Remote Knob, Black
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8.1
Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Tim Alighment, and in-Put/Output Mixing for Home and car Audio
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7.7
Car Audio Digital Signal Processor – DSP Car Equalizer Built-in Amplifier with 4-Channel Input, 8-Channel Output, 31-Band Graphic Equalizers Kit
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7.4
Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module
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7.2
Stetsom STX 2436 Bluetooth DSP PRO – Digital Signal Processor, DSP PRO, Equalizer, Exclusive APP, Band Graphic, High Precision Crossover, Filters, Voltmeter, Limiter, Digital Audio Processor
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6.3
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Product Title
9.7
PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer 4 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
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9.6
Taramps DSP Pro 2.4S White Crossover Full Digital Signal Car Audio Processor and Equalizer with Sequencer 15-Band Graphic Equalization 12 preset EQ, Remote Signal, Alignment, 2 Channel in and 4 Out
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9.2
AudioControl EPICENTER Digital Bass Restoration Control Processor, Car Audio Bass Booster Enhancer with Wired Remote Control (Black)
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8.9
PRV AUDIO Car Audio DSP 2.8X Digital Crossover and Equalizer 8 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
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8.4
Timpano TPT-SP4BT Bluetooth DSP 4 Output Channel- Full Digital Signal DSP Car Audio Processor – Built-in Voltmeter and Remote Relay
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8.1
AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/Remote Knob, Black
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7.7
Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Tim Alighment, and in-Put/Output Mixing for Home and car Audio
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7.4
Car Audio Digital Signal Processor – DSP Car Equalizer Built-in Amplifier with 4-Channel Input, 8-Channel Output, 31-Band Graphic Equalizers Kit
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7.2
Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module
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6.3
Stetsom STX 2436 Bluetooth DSP PRO – Digital Signal Processor, DSP PRO, Equalizer, Exclusive APP, Band Graphic, High Precision Crossover, Filters, Voltmeter, Limiter, Digital Audio Processor
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PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer 4 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
PRV AUDIO Car Audio DSP 2.4X Digital Crossover and Equalizer 4 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
$64.00 in stock
2 new from $64.00
2 used from $62.17
2 used from $62.17
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- INTUITIVE INTERFACE CAR AUDIO DSP PROCESSOR: Through an LCD display (16x2 Characters) and intuitive interface, it allows real-time audio adjustments
- PRV DSP HANDLES IT ALL: The PRV DSP 2.4x processor features 2 audio inputs (A and B) and 4z channel crossover independent outputs and allows you to choose the audio source (A, B or A + B) for each output
- INTEGRATED EQUALIZATION SYSTEM: With 15 band graphic car audio equalizer amplifier, manual tuning, or through 12 presets (Flat, Loudness, Bass Boost, Mid Bass, Treble Boost, Powerful, Electronic, Rock, Hip Hop, Pop, Vocal and Pancadão)
- DIGITAL CROSSOVER: For professional equalization adjustments, it has 1 INPUT and 1 OUTPUT Parametric Equalizer with gain control, specific frequency setting, and equalizer bandwidth, allowing fine adjustments and detailed equalization control
- SEQUENCER FEATURE: The PRV DSP audio processor allows sequential triggering of other products through the remote trigger connection (REM). Ecualizador de sonido para carro o ecualizador car audio.
Taramps DSP Pro 2.4S White Crossover Full Digital Signal Car Audio Processor and Equalizer with Sequencer 15-Band Graphic Equalization 12 preset EQ, Remote Signal, Alignment, 2 Channel in and 4 Out
Taramps DSP Pro 2.4S White Crossover Full Digital Signal Car Audio Processor and Equalizer with Sequencer 15-Band Graphic Equalization 12 preset EQ, Remote Signal, Alignment, 2 Channel in and 4 Out
$64.97 in stock
Amazon.com
as of June 7, 2025 1:35 pm
Features
- Band Equalizer: It has 15 bands of equalizaon, with aenuaon /boost of up to 12dB, at the center frequencies defined in the ISO standard (25 to 16KHz, 2/3 octave). Acts simultaneously on inputs A and B.
- Input Parametric Equalizer: EQ with 1 band and adjustable parameters, acts simultaneously on inputs A and B
- Crossover: Set the high pass (HPF) and low pass (LPF) filters of selected output way. The cutoff frequencies could be set from 10Hz to 22KHz, and are available some kinds of filters (Buerworth, Bessel, Linkwitz Rilley) in different slopes (-6, -12, -18, -24, -36 e -48dB/Octave).
- Output: Set the level for each output way. Allow apply up to +15dB gain or -45dB attenuation.
- Presets EQ: The Pro 2.4S has 12 preset equalizers. Select the music style and press the encoder center to apply the equalizaon curve: FLAT, LOUDNESS, BASS BOOST, MID BASS BOOST, TREBLE BOOST, POWERFUL, ELECTRONIC, ROCK STYLE, HIP HOP STYLE, POP MUSIC, VOCAL, COMPETITION.
AudioControl EPICENTER Digital Bass Restoration Control Processor, Car Audio Bass Booster Enhancer with Wired Remote Control (Black)
AudioControl EPICENTER Digital Bass Restoration Control Processor, Car Audio Bass Booster Enhancer with Wired Remote Control (Black)
$149.00 in stock
30 new from $148.98
2 used from $133.88
2 used from $133.88
Amazon.com
as of June 7, 2025 1:35 pm
Features
- Bass Restoration Processor, Included ACR-1 Remote Level Control & 20' RJ-14 Cable
- Enhanced bass output: The device restores low-end frequencies and provides a more dynamic and immersive listening experience.
- Built-in bass maximization circuit: The circuit allows you to adjust the frequency response and control the level of the bass output.
- Remote bass level control: The remote control allows you to adjust the bass output from the comfort of your driver's seat.
- Advanced processing technology: The device is designed with advanced signal processing algorithms and a variable bass boost control for customized bass response.
PRV AUDIO Car Audio DSP 2.8X Digital Crossover and Equalizer 8 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
PRV AUDIO Car Audio DSP 2.8X Digital Crossover and Equalizer 8 Channel Full Digital Signal Audio Processor DSP with Sequencer Remote Relay
$97.00 in stock
3 new from $97.00
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- INTUITIVE INTERFACE CAR AUDIO DSP PROCESSOR: Through an LCD display (16x2 Characters) and intuitive interface, it allows real-time audio adjustments
- PRV DSP HANDLES IT ALL: The PRV DSP 2.8x processor features 2 audio inputs (A and B) and 8 channel crossover independent outputs and allows you to choose the audio source (A, B or A + B) for each output
- INTEGRATED EQUALIZATION SYSTEM: With 15 band graphic car audio equalizer amplifier, manual tuning, or through 12 presets (Flat, Loudness, Bass Boost, Mid Bass, Treble Boost, Powerful, Electronic, Rock, Hip Hop, Pop, Vocal and Pancadão)
- DIGITAL CROSSOVER: For professional equalization adjustments, it has 1 INPUT and 1 OUTPUT Parametric Equalizer with gain control, specific frequency setting, and equalizer bandwidth, allowing fine adjustments and detailed equalization control
- SEQUENCER FEATURE: The PRV DSP audio processor allows sequential triggering of other products through the remote trigger connection (REM). Ecualizador de sonido para carro o ecualizador car audio
Timpano TPT-SP4BT Bluetooth DSP 4 Output Channel- Full Digital Signal DSP Car Audio Processor – Built-in Voltmeter and Remote Relay
Timpano TPT-SP4BT Bluetooth DSP 4 Output Channel- Full Digital Signal DSP Car Audio Processor - Built-in Voltmeter and Remote Relay
$89.95 in stock
3 new from $89.95
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- The compact TPT-SP4BT is signal processor ( DSP ) controlled by bluetooth connection direct from your phone or tablet. This powerful tool allows users to optimize the performance of their custom sound system, regardless of whether they are using a aftermarket unit or factory radio.
- The processor’s information can be viewed and configured remotely using smartphones with Android or iOS systems. In your device’s app store (Play store) Or (Apple Store), search for our TIMPANO TPT-SP4BT app
- Its exclusive sequencer feature (SEQUENCER) makes it possible to configure the programmed startup and shutdown of up to three products from the remote startup connections (S1, S2, and S3).
- ts digital signal processor allows real-time modification of equalization, crossover filters, alignment, gain control, phase inversion, limiter, input/output routing, and features such as: Battery Voltmeter, Frequency Generator, Frequency Sweep and Pink Noise.
AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/Remote Knob, Black
AudioPipe XV-BXP-SUB 15V Car Audio System Digital Sound Equalizer Epicenter Enhancer Restoration Signal Processor Bass Booster w/Remote Knob, Black
$44.79 in stock
15 new from $44.29
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions
- Audiopipe XV-BXP-SUB Digital Bass Processor - Enhance the Lower Frequencies on all types of Music
- Max Bass Control with Dash Mount Bass Knob
Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Tim Alighment, and in-Put/Output Mixing for Home and car Audio
Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Tim Alighment, and in-Put/Output Mixing for Home and car Audio
$179.98 in stock
7 new from $179.98
3 used from $170.98
3 used from $170.98
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- Real-time signal processing for ultimate control
- Complete audio customization for application specific installations
- Easy-to-use Graphical User Interface (GUI)
- All eight output channels have a fully adjustable 10-band parametric EQ
- Optional Bluetooth dongle (for streaming and app control) and wired remote available
Car Audio Digital Signal Processor – DSP Car Equalizer Built-in Amplifier with 4-Channel Input, 8-Channel Output, 31-Band Graphic Equalizers Kit
Car Audio Digital Signal Processor - DSP Car Equalizer Built-in Amplifier with 4-Channel Input, 8-Channel Output, 31-Band Graphic Equalizers Kit
$179.00 in stock
Amazon.com
as of June 7, 2025 1:35 pm
Features
- 【Car Audio Equalizer Built-in Amplifier】Car Equalizer Built-in TDA7850 Amplifier Chip, Peak Powers: 4*50 Watts, Noise Ratio ≥90dB, THD ≤0.01%, Sampling Rate: 48Khz/24bit.Equalizer comes with amplifier, It can directly amplify enhance and adjust up to 8 speakers of the original car !
- 【Built-in Bluetooth/OPT Input/USB】This Car amplifier equalizer has built-in wireless bluetooth 5.0, which can be directly connected with your Smartphone to play Phone's music. In addition,ecualizador car audio with optical input and USB port, multiple expansion ports to meet your multiple needs.
- 【31-Band Equalizers Control DSP】 This car audio equalizer can realize audiophile-grade 31-band EQ fine adjustment by connecting to computer audio tuning software. It can control the Treble/Midrange/Bass/Sub-bass parameters of 20Hz~20000Hz frequency band fine control. In addition preset 6 modes of EQ data can be directly selected.
- 【10-Channels Audio IN/OUT Equalizer】The Amplifier car audio supports High Level up to 8 Channels outputs + 4 Channels inputs,Low Level 8-Channels outputs+2 Channels AUX inputs. Adaptable to more types of audio hosts. Compatible with up to 4 x Amplifiers or Powered Subwoofers.
- 【DSP Car Equalizer 4 Tuning Methods】Car DSP With 4 tuning modes , APP/manual knob/Controller (optional)/PC software, whether you are a novice or a professional tuner, you will be able to find a suitable tuning mode for you.
Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module
Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module
$299.99 in stock
22 new from $299.99
2 used from $269.99
2 used from $269.99
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- The DSR1 is the first real solution for replacing the factory amplifier and speakers in Ford and Chrysler vehicles
- Utilizes the powerful processor found in our Rockford Fosgate 3Sixty.3 but adds an easy to use interactive Apple iOS / Android app for easy, real-time tuning
- An amazing 245 bands of equalization for absolutely precise in-vehicle tuning; Adjustable crossovers with selectable slope: Up to 10ms of delay for precise time alignment
- 4 Channel high-level inputs with signal sense turn on; 4 Channel balanced differential inputs; Auxiliary RCA and SPDIF coaxial inputs and Bluetooth 4.0 Connectivity for convenient wireless setup, adjustments & tuning
- Famous Rockford Fosgate build quality with a full 1-year warranty
Stetsom STX 2436 Bluetooth DSP PRO – Digital Signal Processor, DSP PRO, Equalizer, Exclusive APP, Band Graphic, High Precision Crossover, Filters, Voltmeter, Limiter, Digital Audio Processor
Stetsom STX 2436 Bluetooth DSP PRO - Digital Signal Processor, DSP PRO, Equalizer, Exclusive APP, Band Graphic, High Precision Crossover, Filters, Voltmeter, Limiter, Digital Audio Processor
$115.99 in stock
8 new from $115.99
Free shipping
Amazon.com
as of June 7, 2025 1:35 pm
Features
- Compact, Bluetooth, Android and Apple APP available, Smartphone and Tablet enabled
- This device will give you an amazing range of customizable sound adjustments from the most wanted 12 Band GRAPHIC EQUALIZER to a simple 6-digits password to protect your setup
- Android 5.0 or higher iOS 12 or higher
- The Bluetooth can reach a range of up to 49 feet in a unobstructed area
- RCA and HIGH INPUT for factory original stereo player
This guide identifies some of the best car audio signal processor currently on the market and also includes an in-depth buying guide to help you make the right decision. If you didn’t find your desired one check out the Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Tim Alighment, and in-Put/Output Mixing for Home and car Audio is also the most sold item in the market. If you feel that the information provided here is misleading, incorrect, or is removed from actual facts, then please do not hesitate to get in touch with us. We will always be there for you.
