# Transmitting the Current Playback via Multi-Speaker Sound

If an audio source is played back via Bluetooth®, this playback can be forwarded to other devices with the Multi-Speaker Sound function (e.g. GPB 18V‑1 C, GPB 18V‑6 C).

The transmission of audio sources other than Bluetooth® via Multi-Speaker Sound is not possible.

## GPB18V-3C:

1. To start the transmission via Multi-Speaker Stream, call up the settings menu at see Changing Settings.
2. Select <MSS on> (switch on Multi-Speaker Stream).

1. If playback is transmitted via Multi-Speaker Stream, the display shows the indicator.

1. To stop the transmission via Multi-Speaker Stream, call up the settings menu.
2. Select <MSS off> (switch off Multi-Speaker Stream).

1. The indicator lights up on the display.

## GPB18V-3SC:

1. To start the transmission via Multi-Speaker Stream, call up the settings menu at see Changing Settings.
2. Select <MSS Settings> (Multi-Speaker Stream settings).
3. The multi-function indicator (a) shows <Start Multi‑Speaker Stream?>.
4. Select <Yes> to start the stream.
5. Select <No> to exit the menu without starting a stream.

1. If playback is transmitted via Multi-Speaker Stream, the display shows the indicator.

1. To stop the transmission via Multi-Speaker Stream, call up the settings menu.
2. Select <MSS Settings> (Multi-Speaker Stream settings).
3. The multi-function indicator (a) shows <End Multi-Speaker Stream?>.
4. Select <Yes> to stop the stream.
5. Select <No> to continue transmitting the stream.

1. If playback is ended via Multi-Speaker Stream, the display shows the indicator.