Article ID : 00280781 / Last Modified : 08/07/2022

The sound is muffled or sound cannot be heard (XM-ES Series)

    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.

    Refer to the Operating Instructions to make sure the INPUT MODE switch, LPF (low-pass filter) control, or HPF (high-pass filter) control are set correctly.