Duo X Technical Specs

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Technical specs

Dimensions

  • length: 188 mm
  • width: 163 mm
  • height: 63 mm

Processors

  • RockChip RK3399 CPU:
    • CPU family: ARM A72 + A53
    • Platform bit depth: 64 bit
    • Cores Clock: 4 x 1.4GHz + 2 x 1.8GHz
    • Memory: 2 GB RAM
    • Flash Storage: 16 GB

Inputs and outputs

Audio

MOD Duo X right side view showing the audio and CV inputs.
MOD Duo X left side view showing the audio and headphone/CV outputs.
  • 2x independent audio inputs with:
    • independent multi-stage preamplifiers per channel (+6, +15, +20dB);
    • TS connectors;
    • Input impedance 1 MΩ
    • Programmable Fine Adjust Gain Amplifier: ± 12 dB Gain, 0.5 dB step.
    • 24 bit Digital Audio convertion Bit Depth.
  • 2x independent audio outputs with:
    • TRS noise cancelling;
    • TRS connectors (balanced compatible);
    • Volume Control: 0 to -127 dB, 0.5dB step;
    • 24 bit Digital Audio convertion Bit Depth.
  • Headphone output:
    • 6.35mm TRS connector
    • Digital volume control from +12dB to −33dB
  • SPDIF output:
    • 3.5mm coaxial TS connector

Each input/output uses a TRS connector, a True Bypass circuit, and has a LED whose color depends on the audio signal amplitude. Learn more about the Duo LED indicators here and for the Duo X here.


Control Voltage

  • 2 CV input ports
    • Togglable to CV Expression (you can use this input to connect one expression pedal)
    • Stereo 6.35mm TRS connector
  • 2 CV output port
    • Stereo 6.35mm TRS connector

Note:

  • On the Duo X Limited edition, both the CV inputs and outputs have a range from 0V to 5V.
  • On the Duo X normal production edition, both the CV inputs and outputs have a range from 0V to 10V.

MIDI

  • MIDI IN connector - DIN 5 pins
  • MIDI OUT connector - DIN 5 pins

USB

  • USB HOST - USB 2.0 Standard-A type
    • USB Bluetooth
    • USB Wifi
    • USB MIDI
  • USB DEVICE - USB 2.0 Standard-B type
    • USB Ethernet Connection
    • USB Mass Storage (used for updates)

Controllers

  • 2 endless knobs
  • 3 performance buttons (that allow you to switch between control assignments pages or save snapshots)
  • 8 knobs
  • 4 push buttons switches with color LEDs
  • RJ-45 connector for additional controllers (see Control Chain)

Plugin Control

  • 2x endless knobs
    • 3 parameters can be assigned to each of the endless knobs
  • 8x knobs
    • 3 parameters can be assigned to each knob
  • 4x pushbuttons
    • 3 parameters can be assigned to each pushbutton

Peripherals

Software

The MOD Duo X uses a Linux operating system with LV2 plugins to define virtual pedalboards.