Troubleshooting - Poor sound quality for a phone call - Earbuds
Use the following reference chart to diagnose sound quality during a phone call.
| Symptom | Possible cause and solutions | Applicable models |
|---|---|---|
| Poor sound quality | Confirm that you use the best fitting earpiece for your ear. | RZ-B110, RZ-B310, RZ-S300, RZ-S500, EAH-AZ70 |
| Update the units Firmware to the most recent using the Home Audio App. Refer to "How to update the firmware on your True Wireless Earbuds". |
RZ-S300, RZ-S500, EAH-AZ70 | |
| Jittery noise and the music is interrupted momentarily | Use the Panasonic Audio Connect App or Technics Audio Connect App to change the settings to "Connection
Priority".
|
RZ-S300, RZ-S500, EAH-AZ70 |
| Audio cuts in / out, there is poor sound quality, and there is interferences. | Confirm the distance between your earbuds and the paired device (such as smartphone, tablet, or other Bluetooth®Registered devices) does not exceed 33 feet (10 meters). | RZ-B110, RZ-B310, RZ-S300, RZ-S500, EAH-AZ70 |
| Confirm that there are no obstacles (such as walls, doors, etc.) between your earbuds and paired device. Such obstacles can decrease the operating distance. | ||
| Turn off any other Bluetooth®Registered devices (which have been previously connected to your earbuds) that are not in use. | ||
| Do not cover the earbuds and Bluetooth®Registered device with hands for clear communication. | ||
| Confirm if the Bluetooth®Registered device (smartphone or PC) supports HSP and HFP profiles. | RZ-S300, RZ-S500, EAH-AZ70 | |
| Confirm if the Bluetooth®Registered device (smartphone or PC) supports HFP profiles. | RZ-B110, RZ-B310 | |
| From your app (Panasonic audio connect or Technics audio connect) settings, select Connections Mode setting and select Prioritize connectivity. | RZ-S300, RZ-S500, EAH-AZ70 | |
| Place the earbuds in the charging case for 10 seconds and remove and re-connect to the Bluetooth®Registered device | RZ-B110, RZ-B310, RZ-S300, RZ-S500, EAH-AZ70 | |
| If the above does not work - remove the earbuds from the Bluetooth®Registered device's settings and pair it once again. | ||
| The callers voice is low. | Increase the volume level of the Bluetooth®Registered device(smartphone, PC, etc.), | RZ-B110, RZ-B310, RZ-S300, RZ-S500, EAH-AZ70 |
| Increase the volume on the earbuds | Z-S300, RZ-S500, EAH-AZ70 | |
| Ambient sound when using Noise Cancelling | Noise cancelling is temporarily reduced during a phone call to pick up your voice from the microphone. This is normal operation. Your earbuds will perform with optimal noise reduction once you exit the phone call. | EAH-AZ70W, RZ-B310, RZ-S500W |