The volume is low or the sound is unpleasant

volume_low

If the volume is low or the sound quality seems abnormal, following the steps below may solve the problem.
Follow the steps to check whether there is any abnormality with the sound output.

Adjusting the position of the earpieces may improve the issue.

Adjusting the Earpiece Position

  1. Flip the earpieces as shown in the illustration below, and align the notch on the earpieces and convex shape on the earphones.

  2. Adjust_earpiece_position_1_CRZ100T
  3. Flip back the earpieces as illustrated in the diagram.

  4. Adjust_earpiece_position_2_CRZ100T
Adjusting the position of the earphone may improve the symptom.

Adjusting the Earphone Position

Rotate the earphones to adjust them to the most comfortable angle.

Ear_fit_CRZ100T

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When the Touch & Talk function is set to on, the volume is reduced.
Switch off the Touch & Talk function if it is on.

Setting the Touch & Talk function function

Press and hold the R earphone button for about one second, and release your finger when you hear a beep sound
SPNV_Touch_and_Talk_Function_CRZ100T + SPNV_Touch_and_Talk_Function_CRZ100T

Turn off the Touch & Talk function

1second

Button

Each time you press and hold for about one second and a beep sounds, the Touch & Talk function switches on or off.

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The volume on the earphones or the connected device may have decreased.

In this case, operate the earphones or connected device to increase the volume.

Increasing the Volume of the Earphones

Press the L earphone button three times quickly
SPNV_Volume_Up_CRZ100T + SPNV_Volume_Up_CRZ100T

Volume up

3x

Button

Increasing the Volume of the Connected Device

Adjust the volume
volume_smp_1

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If the audio output section or the earpiece is dirty, the volume may decrease or the sound quality may seem abnormal.
Remove any dirt on the audio output section or earpiece such as with the use of a toothbrush. Please click here to view more information about the cleaning method.

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There seems to be a problem with the product.
If you require more assistance, please contact your local JVC customer support.

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