No sound from both sides of the earphones

both_sides_sound_none

Check the state of the earphones.
Remove the earphones from the charging case and check the status of the indicators.

The earphones are properly connected to the device.
Check the app settings and volume.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.

Follow the steps below to check whether there is any abnormality with the sound output.

Restoring settings to the initial state

  1. Press and hold the button on both sides of the earphones for about 3 seconds to turn off the power

    2. PLAY_button_LR_A10T

    The indicators on the earphones light up in red, and the power of the earphones turns off after the red light goes off.

  2. Press and hold the button on both sides of the earphones for about 20 seconds to initialize

    3. PLAY_button_LR_A10T

    The indicators will flash in white for three times every 10 seconds.

    If you release your finger before the second time the indicator flashes three times in white, initialization will not be complete.
    If you released your finger too early, perform the initialization process again from the start.

  3. Delete the registration information of the earphones from the BLUETOOTH® settings

    4. connecting_smp_1
    release_smp_1 + Device List Release JVC Nav

    JVC HA-A10T

    release_smp_2 + Release JVC Nav

    Unpair this device

  4. Insert the earphones into the charging case

    5. charging_A10T_1

  5. After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time

    6. charging_A10T_2
    connecting_A10T_1

    The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    Wait for a short while for the L indicator to flash quickly and alternately in red and white. The earphones are now ready for device pairing.

    Click here if the indicators do not light up or start flashing ＞＞

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

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

The power is off if there is no light on the earphone.

Check whether the power of the earphones can be turned on.

Turn on the power of the earphones

With the light of the earphone in the off state, press and hold the button on it for about three seconds.
PLAY_button_L_A10T

The L side of the earphone is used in the illustration above.

The power of the earphones is on if the L and R indicators are flashing (regardless of how the light flashes).

Select the state after checking

Return to the top of the page and re-select the pattern in which the indicators are flashing.

The earphones have run out of power.

Charge the earphones followed by reconnecting to check whether sound can be heard properly.

Charging the earphones

  1. Charge the charging case

    2. charging_2_No-PC_charge_A10T + Charge 2 A10T

    5V TYPE

  2. Insert the earphones into the charging case

    3. charging_A10T_1
    charging_A10T_2

    The earphones power off and charging starts.

    The indicator on the earphones lights up in red during charging, and the indicators on the charging case light up or flash in white.

    When charging the earphones or charging case that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.

    Click here if the indicators do not light up or start flashing ＞＞

    After charging is complete, the indicators on the earphones and charging case will turn off.

Connecting to a Device

  1. Remove both earphones at the same time

    2. connecting_A10T_1

    The L and R indicators light up in white for 1 second and the power turns on.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    Wait for a short while for the L indicator to flash quickly and alternately in red and white. The earphones are now ready for device pairing.

  2. Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”

    3. connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

If there is no sound although the indicators are flashing, return to the top of the page and re-select the pattern in which the indicators are flashing.

The earphones may not have been properly charged.
Please check the following.

Unable to charge ＞＞

Select the pattern in which the L earphone is flashing.

The L earphone is connected to the device but a connection error has occurred on the R earphone.

Power off and on the earphones again and check whether there is any abnormality with the sound output.

Powering off and on again (when charging case is available)

  1. Insert the earphones into the charging case

    2. charging_A10T_1

    The earphones power off and charging starts.

    The indicators on the earphones light up in red during charging, and the indicator on the charging case lights up and flashes in white.

    When charging the earphones or charging case that have not been used for a long period of time, it might take some time for the indicators to light up. Wait for the indicators to light up.

    Click here if the indicators do not light up or start flashing ＞＞

  2. After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time

    3. connecting_A10T_1

    The L and R indicators light up in white for 1 second and the power turns on.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    If the R earphone is not flashing slowly in white, go to the section on “No sound is heard” at the bottom of the page.

Powering off and on again (when charging case is not available)

  1. While the light on the earphone is flashing, press and hold the button for about 3 seconds to turn off the power

    2. The indicator light goes out.

    The power has already been shut down if the light is off before pressing the button. Go to step “2” in this case.

    PLAY_button_LR_A10T

  2. Press and hold the button on both sides of the earphones for about 3 seconds to turn on the power

    3. When turning on the power, move the L and R earphones close to the device to pair with.

    PLAY_button_LR_A10T

    After the power is turned on, the indicators on both sides of the earphones start to flash in white.

    After the power is turned on, move the L and R earphones close to the device to pair with.

    If the R earphone is not flashing slowly in white, go to the section on “No sound is heard” at the bottom of the page.

When power of the earphones is turned on again, connection will be established automatically with a device that was previously paired.
If connection cannot be established, please try the following.

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.

Follow the steps below to check whether there is any abnormality with the sound output.

Restoring settings to the initial state

  1. Press and hold the button on both sides of the earphones for about 3 seconds to turn off the power

    2. PLAY_button_LR_A10T

    The indicators on the earphones light up in red, and the power of the earphones turns off after the red light goes off.

  2. Press and hold the button on both sides of the earphones for about 20 seconds to initialize

    3. PLAY_button_LR_A10T

    The indicators will flash in white for three times every 10 seconds.

    If you release your finger before the second time the indicator flashes three times in white, initialization will not be complete.
    If you released your finger too early, perform the initialization process again from the start.

  3. Delete the registration information of the earphones from the BLUETOOTH® settings

    4. connecting_smp_1
    release_smp_1 + Device List Release JVC Nav

    JVC HA-A10T

    release_smp_2 + Release JVC Nav

    Unpair this device

  4. Insert the earphones into the charging case

    5. charging_A10T_1

  5. After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time

    6. charging_A10T_2
    connecting_A10T_1

    The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    Wait for a short while for the L indicator to flash quickly and alternately in red and white. The earphones are now ready for device pairing.

    Click here if the indicators do not light up or start flashing ＞＞

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

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

An error has occurred in the connection between the L earphone and the device.

Connect it to the device and check whether there is any abnormality with the sound output.

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

    If the R earphone is not flashing slowly in white, go to the section on “No sound is heard” at the bottom of the page.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

Restoring the earphones to the initial settings and re-establishing the connection may help to solve the problem.

Follow the steps below to check whether there is any abnormality with the sound output.

Restoring settings to the initial state

  1. Press and hold the button on both sides of the earphones for about 3 seconds to turn off the power

    2. PLAY_button_LR_A10T

    The indicators on the earphones light up in red, and the power of the earphones turns off after the red light goes off.

  2. Press and hold the button on both sides of the earphones for about 20 seconds to initialize

    3. PLAY_button_LR_A10T

    The indicators will flash in white for three times every 10 seconds.

    If you release your finger before the second time the indicator flashes three times in white, initialization will not be complete.
    If you released your finger too early, perform the initialization process again from the start.

  3. Delete the registration information of the earphones from the BLUETOOTH® settings

    4. connecting_smp_1
    release_smp_1 + Device List Release JVC Nav

    JVC HA-A10T

    release_smp_2 + Release JVC Nav

    Unpair this device

  4. Insert the earphones into the charging case

    5. charging_A10T_1

  5. After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time

    6. charging_A10T_2
    connecting_A10T_1

    The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    Wait for a short while for the L indicator to flash quickly and alternately in red and white. The earphones are now ready for device pairing.

    Click here if the indicators do not light up or start flashing ＞＞

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

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

The settings for the L earphone have been initialized.

Follow the steps below to check whether there is any abnormality with the sound output.

Restoring settings to the initial state

  1. Press and hold the button on both sides of the earphones for about 3 seconds to turn off the power

    2. PLAY_button_LR_A10T

    The indicators on the earphones light up in red, and the power of the earphones turns off after the red light goes off.

  2. Press and hold the button on both sides of the earphones for about 20 seconds to initialize

    3. PLAY_button_LR_A10T

    The indicators will flash in white for three times every 10 seconds.

    If you release your finger before the second time the indicator flashes three times in white, initialization will not be complete.
    If you released your finger too early, perform the initialization process again from the start.

  3. Delete the registration information of the earphones from the BLUETOOTH® settings

    4. connecting_smp_1
    release_smp_1 + Device List Release JVC Nav

    JVC HA-A10T

    release_smp_2 + Release JVC Nav

    Unpair this device

  4. Insert the earphones into the charging case

    5. charging_A10T_1

  5. After the indicators on the earphones and charging case are lit, remove both sides of the earphones at the same time

    6. charging_A10T_2
    connecting_A10T_1

    The L and R sides are automatically connected to each other, and the earphones are restored to the initial settings.

    After taking out the earphones, move the L and R earphones close to the device to pair with.

    Wait for a short while for the L indicator to flash quickly and alternately in red and white. The earphones are now ready for device pairing.

    Click here if the indicators do not light up or start flashing ＞＞

Connecting to a Device

    Turn on the BLUETOOTH® connection setting of the device and select “JVC HA-A10T”
    connecting_smp_1
    connecting_smp_2
    connecting_smp_3 + Device List JVC Nav

    JVC HA-A10T

    blue_flash_A10T

    The earphones are connected to the device if the indicators on both sides of the earphones are flashing in white.

Apps and Volume Control on the Connected Device

  1. Open an app and play

    2. app_01
    app_02

  2. Adjust the volume

    3. volume_smp_1

Select the state after checking

Thank you for using Troubleshooting Guide.

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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