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_CRZ90T

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

    3. Adjust_earpiece_position_2_CRZ90T
Adjusting the position of the earphone may improve the symptom.

Adjusting the Earphone Position

Rotate the earphones without touching the touch sensor area and adjust them to the angle that fits best.

SPNV_Ear_fit_CRZ90T + SPNV_Ear_fit_CRZ90T

Touch sensor area

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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

Touch the touch sensor area of the R earphone for about 1 second, and release your finger when you hear a beep sound.
SPNV_Touch_and_Talk_Function_CRZ90T + SPNV_Touch_and_Talk_Function_CRZ90T

Turn off the Touch & Talk function

1second

Touch sensor area

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

Select the state after checking

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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

Tap the touch sensor area on the L side of the earphones quickly for 3 times
SPNV_Volume_Up_CRZ90T + SPNV_Volume_Up_CRZ90T

Volume up

3x

Touch sensor area

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.

Cleaning the Headset/Earphones ＞＞

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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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