How to use my bluetooth speaker as mediaplayer?

I’ve two bluetooth speakers

  • Jambox speaker
  • LG Sound Bar

both are detected from my Hassio installation and are listed in know_devices.yaml
but are not listed as mediaplayers in States page of Hassio.

May I use them as mediaplayer for TTS?
Which kind of bluetooth speaker may be used as mediaplayer with Google TTS?

Check if this thread might somehow help you.

have Hassio… I cannot install modules manually…

The custom component is not updated for some time, so I doubt an add-on may be created for it.

So, there is no easy way to use a bluetooth speaker via
I have a Libratone Zipp bluetooth speaker and the device is listed in the known_devices, but I have also no idea how to use it as media_player…