Headphones suddenly stop working even though they’re still connected

Troubleshooting Intermittent Connectivity Issues with Edifier W820NB Plus Headphones

If you’re experiencing sudden audio cuts while using your Edifier W820NB Plus headphones, you’re not alone. Many users have encountered similar issues where their headphones unexpectedly stop producing sound despite remaining connected to their device. This guide aims to help you understand potential causes and explore effective solutions to resolve this common problem.

Understanding the Issue

Users have reported hearing a soft click or pop sound shortly before the audio cuts out. Interestingly, the headphones still appear connected, with their battery levels full, and the device (laptop or Android tablet) continues to recognize them without switching to built-in speakers. These interruptions can occur during various activities, including streaming videos on platforms like YouTube, and are not caused by physical damage or rough handling.

Pattern and Frequency

Initially, such issues occurred sporadically—perhaps once every few months—and could be temporarily resolved by toggling the headphones off and on. However, over time, the frequency has increased, with some users experiencing multiple episodes within a single day. This escalation suggests that the problem may be worsening and requires more in-depth troubleshooting.

Potential Causes

1. Bluetooth Driver or Firmware Software Glitches
   Outdated or corrupt Bluetooth drivers on your device can lead to connectivity interruptions. Similarly, outdated headphone firmware might also cause communication hiccups between the device and the headphones.

2. Hardware Malfunction in Headphones
   While initial models may have been more reliable, hardware defects—such as failing internal components—could be responsible, particularly if the issues persist across different devices.

3. Wireless Interference and environmental factors
   Interference from other wireless devices or physical obstructions could disrupt Bluetooth signal stability, especially in crowded or cluttered environments.

4. Battery or Power Management Issues
   Although your devices report full charge, subtle battery management problems could cause the headphones to disconnect internally, leading to audio dropout.

Troubleshooting Steps

1. Update Bluetooth Drivers and Firmware
2. For Windows PCs: Visit your device manufacturer’s website or use Windows Update to ensure all Bluetooth drivers are current.
3. For Android Tablets: Check for system updates that include Bluetooth stack improvements.

4. Update headphone firmware, if available, via Edifier’s official support app or website.

5. Reset Your Headphones
   Perform a factory reset following the manufacturer’s instructions. This process can clear any lingering glitches in the device