DD Audio DSI-3

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DSI-3 - Designed & Engineered in the USA


The DSI-3 audio signal processor will allow you to precisely tune the acoustics of a vehicle’s audio system for maximum listening pleasure. With features like 6ch summable input, 12ch output, Bluetooth 5.0 audio streaming, and 31 band parametric EQ this DSP can easily handle the increased interfacing and tuning needs of today’s multi channel audio systems.

The DSI-3’s PC interface has an advanced tuning suite for easy system setup and the mobile user interface is compatible with Apple and Android for on the go tuning and control.

For even more installation flexibility you can add the optional DSI-3RMT for remote control of the master volume, preset selection, and subwoofer level.



  • PC and Smartphone Graphic User Interfaces
  • 31 band Parametric / Graphic Equalizer, Crossovers, and Time Alignment
  • Bluetooth Compatible
  • Remote Controllable (w/ optional DSI-3RMT)
  • 6 Customizable EQ Presets
  • 6ch High-level Inputs
  • 6ch Low-level RCA Inputs
  • Input Summing
  • 12ch Low-level RCA Outputs
  • Aluminum Chassis



  • Operating Voltage: 8.7 - 16.5
  • Input Channels: 6
  • Output Channels: 12
  • RCA Input Sensitivity (Volts): 0.3-3.2v (CH1 - CH4) / 0.6-6.4v (CH5 - CH6)
  • High Level Input Sensitivity (Volts): 2-20v (CH1 - CH4) / 4-40v (CH5 - CH6)
  • RCA Output Voltage (Volts): 0.2V - 5V
  • RCA Input S/N: ≥ 105dBA
  • High Level Input S/N: ≥ 115dBA
  • THD: < 0.02%
  • RCA Input Impedance: ≥ 20k
  • High Level Input Impedance: 240
  • RCA Output Impedance: ≥ 50k
  • Remote Out Current: 12V ≤ 500mA
  • Dimensions (Inches): 7.5 x 4.2 x 1.5
  • Dimensions (MM): 191 x 107 x 39

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