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Best signal processors - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

miniDSP

miniDSP 2x4 HD Digital Audio Signal Processor, Analog, USB, Toslink Audio Source, 4 Presets Stored

miniDSP

$348.95

More Details
Main highlights
- Wide range of processing blocks PEQ Crossovers Delay Meters FIR and IIR filters
- USB audio DAC + 400MHZ DSP processor in one box
- Digital Audio Signal Processor 2 x IN and 4 x OUT
- Analog, USB, TOSLINK audio source Up to 4 presets stored
- Accessories included: remote control, power supply, USB cable, Device Console code
- A huge DSP community of DIYers, Speaker builders, Home Theater enthusiasts
$348.95
2
Best Value
31% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Rockford Fosgate
31% Off

Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module

Rockford Fosgate

$289.00

$419.99
(31% Off)

More Details
Main highlights
- 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
- The DSR1 is the first real solution for replacing the factory amplifier and speakers in Ford and Chrysler vehicles
- Famous Rockford Fosgate build quality with a full 1-year warranty
- 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
$289.00
$419.99 (31% Off)
3

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Taramp's

Taramp's Pro 2.4S DSP Crossover full Digital Signal Processor and Equalizer with sequencer 15-band Graphic Equalization 12 preset EQ 2-Channel in and 4-Channel Out

Taramp's

$63.97

More Details
Main highlights
- 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.
- Output: Set the level for each output way. Allow apply up to +15dB gain or -45dB attenuation.
- 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).
- 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.
$63.97
4

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Dayton Audio

Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Time Alignment, and in-Put/Output Mixing for Home and car Audio

Dayton Audio

$199.90

More Details
Main highlights
- Real-time signal processing for ultimate control
- Optional Bluetooth dongle (for streaming and app control) and wired remote available
- Easy-to-use Graphical User Interface (GUI)
- Complete audio customization for application specific installations
- All eight output channels have a fully adjustable 10-band parametric EQ
$199.90
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

PRV AUDIO

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

$62.97

More Details
Main highlights
- 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.
- 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
- INTUITIVE INTERFACE CAR AUDIO DSP PROCESSOR: Through an LCD display (16x2 Characters) and intuitive interface, it allows real-time audio adjustments
- 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
$62.97

Best signal processors - Holiday Sale 2025

miniDSP 2x4 HD Digital Audio Signal Processor, Analog, USB, Toslink Audio Source, 4 Presets Stored

Rockford Fosgate DSR1 8-Channel Interactive Signal Processor w/Integrated iDatalink Maestro Module

Taramp's Pro 2.4S DSP Crossover full Digital Signal Processor and Equalizer with sequencer 15-band Graphic Equalization 12 preset EQ 2-Channel in and 4-Channel Out

Dayton Audio DSP-408 4 Input 8 Output DSP Digital Signal Processor with Built in EQ Crossovers, Time Alignment, and in-Put/Output Mixing for Home and car Audio

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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