[Used] Dayton Audio DSP-408 4x8 DSP Digital Signal Processor for Home and Car Audio

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Dayton AudioSKU: K665-CLEARANCE-USED | UPC: 848791004957
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Sale price $119.95 Regular price$249.99
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This is a used item that comes in the original box. Accessories such as cables, or the power supply may be missing. Contact us if you have any specific questions or needs and we are happy to make you an excellent offer!

Take control of your audio system with the Dayton Audio DSP-408, a feature-rich 4 input/8 output digital signal processor. The DSP-408 features built-in EQ, crossovers, time alignment, and input/output mixing. The most alluring feature of the DSP-408 is the ability to be used in a home or car right out of the box, which makes it the perfect addition to your home or car audio system.


  • 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

Software Features:

  • 10-band parametric equalizer per channel
  • High and low shelf EQ per channel
  • Variable crossovers: High/Low/Band-Pass slopes 0-24 dB, Linkwitz Riley/Butterworth/Bessel
  • Time delay: 0 to 277 cm or 8.1471 ms adjustable in 1 cm steps
  • Input/Output mixing to customize the signal path
  • Phase adjustment
  • Customizable name/ID for each of the 6 presets
  • Load, save, recall, or delete preset files
  • Software controllable level attenuation on the preamp and high-level inputs
  • Minimum/maximum voltage protection
  • Reverse voltage protection
  • Mute circuit and delay

Package Contents:

• 1 x DSP-408 Processor

• 1 x Power Adapter (12V, 1.5A)

• 1 x High-Level/Power Input Harness (16-pin)

• 1 x USB A to B Cable (10 ft.)

• 2 x Mounting Brackets

• 4 x Mounting Bracket Machine Screws

• 4 x Mounting Screws

• 4 x Rubber Cushion Pads

• 1 x Introduction Card

Chipset: Analog Devices ADAU1701 SigmaDSP 28/56-bit Audio Processor

Sampling: 24-bit/48 kHz • RCA inputs: 4

RCA outputs: 8

High-level inputs: 4

High-level input impedance: 180 ohms

Maximum speaker input level: ≤8V

RCA input impedance: ≥20,000 ohms

Frequency response: 20-20,000 Hz

THD+N: 0.008%

Output impedance: <50 ohms

Maximum input level: ≤3.2V

RCA output: 3.5V rms

Signal to noise ratio: ≥115 dB

Remote out current: >500 mA

Power adapter input voltage: 100-240 VAC

Power adapter output: 12 VDC, 1.5A

Operating voltage: 9-17V

Dimensions: 6.53" W x 1.02" H x 4.55" L

California Prop 65

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