Grandioso C1X New I/F Firmware V1.11d is now available.


We are pleased to announce that the Grandioso C1X I/F Firmware Ver1.11d update is now available.
Please see the download page.

  • Improved feeling of volume operation (volume knob, remote control volume key).
  • Addition of mute level setting function (to select the volume at MUTE from -∞dB and -20dB).
  • Added the function of setting to DIMMER2 by pressing and holding the A button.
  • Improved operation.


Grandioso C1X