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Compact silver rectangular DSP unit with front panel controls and rear connector array

Dayton

Dayton DSP-408 4x8 Digital Signal Processor Car Electronics Accessory

SKU CH-G5VF-PWRMR

A 4x8 digital signal processor with 10-band parametric EQ, variable crossovers up to 24 dB slopes and 277 cm time delay for car or home audio

  • 10-band parametric EQ per channel for precise tuning
  • 24 dB/octave crossovers with Linkwitz-Riley, Butterworth, Bessel slopes
  • 277 cm time-delay adjustment in 1 cm steps for accurate staging
  • Input/output mixing plus phase control for flexible signal routing
  • Six custom-named presets with load, save, recall, delete functions

Versatile 4x8 Signal Processor

The Dayton DSP-408 is a digital signal processor designed for both car and home audio systems. It provides four inputs and eight outputs for flexible system configuration. The unit includes a 10-band parametric equalizer and high and low shelf EQ on every channel. Users can shape their sound with detailed precision using the graphical interface.

For Dedicated Audio Tuners

This processor suits enthusiasts who want deep control over crossover slopes, time alignment, and phase adjustment. It supports variable crossovers with Linkwitz-Riley, Butterworth, and Bessel alignments up to 24 dB slopes. Buyers needing wireless streaming or built-in amplification should consider other solutions. The device focuses purely on signal processing rather than source features.

Adjustable Time Delay Precision

Time delay is adjustable from 0 to 277 cm or 8.1471 ms in precise 1 cm steps. This granular control allows accurate alignment of speaker distances in complex installations. Six customizable presets can be saved, loaded, and recalled for different listening scenarios. The processor adapts to both vehicle and home environments without extra hardware.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $215.99
Pricier than about 90% of the 2,768 comparable items (median $21.99).

Specifications

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Product typeOther

Questions about this item

Will the DSP-408 need firmware updates or internal battery changes later?

The unit stores up to six preset files internally; no battery-backed memory or user-serviceable firmware module is mentioned, so routine maintenance is not required.

What limits the DSP-408 when running complex crossover slopes continuously?

Each channel offers high/low/band-pass filters with slopes up to 24 dB per octave; pushing all channels to the steepest settings simultaneously is the first processing ceiling you will hit.

How much heat or fan noise does the DSP-408 produce during all-day operation?

No cooling fan or thermal specification is listed; the processor is designed for continuous vehicle or home use without active cooling, so audible noise and heat output remain minimal.

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