• 1. BUS Powered USB storage devices — This is a USB device powered by the connection to the ND555.
    For information on what file types are supported, see the ”What hi-res file formats and sample rates does ND555 support?” topic.
  • 2. Self Powered USB storage devices — A USB storage device powered by connection to the mains power.
    For information on what file types are supported, see the ”What hi-res file formats and sample rates does ND555 support?” topic.