IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
The flicking sound being heard from the TA-ZH1ES headphone amplifier is the normal operational sound, it is not a malfunction. Flicking sound may be heard in the following cases:
- When setting OUTPUT to PRE OUT.
- When turning the device On or Off.
- When switching INPUT.
- When setting the sound to Mute.
- When changing songs.