Duo Technical Specs

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Technical specs

Dimensions

MOD Duo dimensions in mm
  • length: 186 mm
  • width: 160 mm
  • height: 75 mm

Processors

  • A20 CPU:
    • Dual Core ARM A7 1.0GHz
    • 1 GB RAM
    • 8 GB Flash Storage
  • Audio CODEC:
    • Manufacturer: Cirrus Logic
    • DAC: 104dB dynamic range, -90dB THD+N
    • ADC: 104dB dynamic range, -95dB THD+N
    • 24 bit / 48 kHz AD/DA

Inputs and outputs

Audio

MOD Duo left side view showing the audio and headphone outputs.
  • 2x independent audio inputs with:
    • independent multi-stage per channel;
    • TS connectors;
    • Input impedance 1 MΩ
    • Programmable Gain Amplifier: ± 12 dB Gain, 0.5 dB step plus a 32 dB gain stage for microphone.
  • 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

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.


MIDI

  • MIDI IN connector - DIN 5 pins - for musical instruments and controllers
  • 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 Adaptor
    • USB Mass Storage (used for updates)

Controllers

  • 2 knobs with LCD screen
  • 2 foot switches with color LEDs
  • RJ-45 connector for additional controllers (see Control Chain)

Plugin Control

  • 2x endless knobs
    • up to 99 parameters can be assigned to each of the endless knobs
  • 2x Footswitches
    • a single parameter can be assigned to each footswitch

Peripherals

Software

The MOD Duo uses a linux operating system with LV2 plugins to define virtual pedal boards.