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No audio from the Z407 speakers

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If you’re not hearing any audio from your speakers, please make sure that all cables are securely connected. If you’re still not hearing audio, try these suggestions:

 

Bluetooth

  • Initial check: Make sure that you’re playing audio from the correct source device. The control dial LED should glow blue.
  • If you have multiple Bluetooth devices connected (you can have up to two), try disconnecting the other and only play from one device.
  • Move the audio source closer — it might be out of the range.
  • Move the other sources of wireless signal away — you could be experiencing interference.
  • Restart the Z407 speakers and the source device.
  • Try unpairing and repairing your source device and the Z407.

 

3.5mm Auxiliary

  • Initial check:
    • Make sure that you’re playing audio from the correct source device. The control dial LED should glow purple.
    • Make sure that the volume on both the speaker and source device are at medium level (50%).
  • Your speaker might be muted:
    • Unplug and plug in the cables from both ends again.
    • Try to switch to other inputs and then switch back to AUX.
  • Check that the cable is a 3-pole cable and make sure that it is securely connected to both the speakers and the source device.
  • Try a different source device to make sure the issue isn’t with the device.
  • Try using a different 3.5mm cable. Make sure that you are using a 3-pole 3.5mm AUX cable.

NOTE: If you’re streaming audio content from the internet, the issue could be with the internet connection and not your speakers.

 

USB

  • Initial check:
    • Please make sure that you’re playing audio from the correct source device. The control dial LED should glow white.
    • Check that you're playing from the Z407 on your source device.
    • Check that the cables are securely connected to both the speakers and the source device. Try to plug and unplug the cables again.
    • Try a different source device to ensure the issue isn’t the device.
    • Try a different USB cable.
  • Basic troubleshooting:
    • Unplug and plug the USB cable into another USB port or into the USB ports on a different computer.
    • Unplug the Z407 and wait for about ten seconds to ensure it’s completely powered off, then plug it back in.
    • Reboot your computer.
  • Advanced troubleshooting:
    • If your source device is a laptop, please check that the Z407 is detected correctly in the Device Manager.
    • To open Device Manager:
      Windows 7, Windows 8, Windows 8.1: Control Panel > System > Device Manager
      Windows 10: In the Task Bar, right-click the Windows flag and select Device Manager

 NOTE: If you’re streaming audio content from the internet, the issue could be with the internet connection and not your speakers.

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