• Ensure that the source device is on and playing
  • If connected wirelessly, ensure that the wireless DAC is fully charged and powered on
  • Check the volume of your source device
  • Try using a different source device
  • Try using a different pair of headphones with the source device
  • Clean 3.5mm jack and socket of source device
  • Swap the sides of the MMCX connectors (L & R) - Repeat this for both wired and wireless