When the volume of my in-ear / sport in-ear headphones becomes too low or even no sound, what should I do to improve the sound quality?


This FAQ is only applied on in-ear type headphones but not ear buds type

Remove the blocking of the dirt and ear wax in the speakers and ear plugs can improve the sound quality of the headphones. Please do not dunk the ear plugs into water or any other detergents. You should follow the cleaning steps showed below.
Step 1: Take off the ear plugs from the driver speakers. Rinse the ear plugs thoroughly with tap water. Dry the ear plugs with clean and soft cotton cloth.

Step 2: Wipe the headphone speakers and ear plugs with dry soft cotton cloth to remove the dirt and ear wax on their surfaces.

Step 3: Pry out any visible dirt and ear wax that has collected in the speaker holes with a toothpick. Be careful not to poke the wax farther into the speakers.

Step 4: To remove the dirt, gently brush on the speakers and ear plugs with a clean toothbrush. Get rid of the dirt on the speakers and ear plugs surfaces with wet cotton swab and make sure no visible dirt and ear wax on them.

Step 5: To clean and sterilize the speakers and ear plugs, wipe their surface with 75% concentration alcohol-soaked towelette. Let them sit for 5 minutes under room temperature and humidity.

To maintain a better sound quality of the headphones, recommend user to clean the headphones with the above steps for every 3 months usage.

• Never put earphones or ear plugs into the washing machine or dishwasher.

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