What is a common complaint for hearing aid users regarding muffled sounds?

When users experience muffled sounds from their hearing aids, it is often linked to the configuration and placement of the vents in the hearing aid. Proper venting is crucial since it allows natural sound to enter the ear while ensuring that amplified sound from the device is clear and distinct. If the vent configuration is not diagonal or is incorrectly set up, it can lead to a lack of appropriate sound balance and amplification, causing users to perceive muffled sounds rather than crisp, clear audio. Thus, ensuring the vent configuration is accurate is essential for optimal hearing aid performance and user satisfaction.