Frequently Asked Questions

Earth/ground - Will I need to implement one in a battery powered system?

Question: When is an earth/ground required in a battery powered system?

Answer: Please see below for when one needs to be added.

Battery products:

If the DAC/amplifier and the DAP (digital audio player) both run on battery and there are no other connections, then there is no need for a earth/ground connection.

Battery products with mains powered device:

If any form of mains powered device is connected then the earth/ground connection comes into play, because the mains voltage is bonded and referenced to earth.

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