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PowerByte - Fix No Sound

  • Updated

Before You Start: No sound may occur if the PowerByte is set to the wrong audio mode, the volume is too low, the audio is muted, or the connected device is not playing sound.

Step 1 – Check the Power & Volume

  1. Turn the Power / Volume knob clockwise to turn ON the PowerByte.
  2. Continue turning the knob clockwise to increase the volume.
  3. Press the Play / Pause (⏯) button once to resume playback or unmute the speaker.

Sound working? No further steps are needed.

Step 2 – Check the Audio Mode

Make sure the PowerByte is set to the correct listening mode. Press the MODE button to switch between Bluetooth, USB, MicroSD, and AUX. For FM radio, press the FM button.

Important: PowerByte detects USB, MicroSD, and AUX modes only when the corresponding audio source is connected.

Bluetooth – Phone, Tablet, or Computer

  1. Make sure your device is connected to Avantree PowerByte through Bluetooth.
  2. Play music or a video.
  3. Increase the volume on both your device and the PowerByte.

FM Radio

  1. Press the FM button to enter FM mode.
  2. Press and hold FM to scan and save available radio stations.
  3. Select a station and press Play / Pause (⏯) if the audio is muted.

USB Drive / MicroSD Card

  1. Insert your USB drive or MicroSD card securely.
  2. Press MODE to select the correct mode.
  3. Press Play / Pause (⏯) to start playback.

Note: Use a USB drive or MicroSD card with 32 GB or less of storage and supported audio files such as MP3, WMA, WAV, APE, or FLAC.

AUX / 3.5 mm Cable

  1. Connect the AUX cable securely to the PowerByte and your audio device.
  2. Press MODE to select AUX mode.
  3. Start playing audio and increase the volume on both devices.
  4. Press Play / Pause (⏯) once if the sound is muted.

Step 3 – Restart & Factory Reset the PowerByte

  1. Make sure the PowerByte is ON.
  2. Press and hold the MODE and 0 buttons together for 5 seconds.
  3. Wait until all the letters on the screen light up, then turn off.
  4. The PowerByte will automatically restart, enter FM mode, and begin searching for radio stations.

Reset complete? Select your preferred audio mode and test the sound again.

Important: A factory reset clears saved Bluetooth connections and FM stations. You may need to pair your Bluetooth device or save your radio stations again.

Still Need Help?

If your PowerByte still has no sound, contact Avantree Support. Please tell us which mode you're using, whether the PowerByte turns ON normally, and whether the problem happens in one mode or all modes.

Contact Avantree Support →

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