How to set up Group Play and Stereo Play on the Samsung Sound Tower

Last Update date : Mar 20. 2026

Group Play and Stereo Play are features that allow multiple Sound Towers to connect together for a larger and more immersive audio experience. Whether it's parties, events or larger spaces, these features allow for wide sound coverage, with multiple speakers playing the same song at the same time. Find out more below to see how you can access these features. 

Please Note: This guide is designed for Australian models only. If you have an international model and require further support click here to get in touch with your Samsung subsidiary. 

Steps for Group Play

1 Connect an audio cable to the 'AUX2/Group Play In' terminals on the HOST Sound Tower. Connect the other end into the 'Group Play Out' terminals on the second Sound Tower (SUB 1).
2 On the second Sound Tower (SUB 1), connect a separate audio cable into the 'Group Play Out' terminal. Connect the other end into the 'AUX2/Group Play In' terminal on the third Sound Tower (SUB 2).
3 If you have more Sound Towers, repeat Step 2 and continue connecting in the Sound Towers in a series until they have all been connected.
4 Press the 'SOURCE' button on the top panel to change the source to 'AUX2' for every Sound Tower connected except the HOST Sound Tower.
source button on top panel highlighted
5 Play music on the HOST Sound Tower system and sound will output from all connected systems simultaneously.

Note:

  • The 1st Sound Tower HOST can play music from any source.
  • Depending on the length or characteristics of the cable, there may be a difference in operating distance. 
Diagram of speakers set up for group play.
1 Press the 'GROUP PLAY' button on the HOST Sound Tower. The GROUP PLAY LED will slowly blink for 10 seconds, and then will blink rapidly for 30 seconds.
group play button on the rear of the sound tower
2 Press the 'GROUP PLAY' button on the second Sound Tower (SUB 1) and the GROUP PLAY LED will start blinking. Once connected to the HOST, both the GROUP PLAY LEDs on SUB 1 and the HOST will stop blinking and remain lit.
3 Press the 'GROUP PLAY' button on the third Sound Tower system (SUB 2). A tone prompt will play, indicating that the GROUP PLAY button on the system has stopped blinking.
4 If you want to add more Sound Tower systems, repeat step 3 for each additional unit.
5 Play music on the HOST Sound Tower system and sound will output from all connected systems simultaneously.

Note: 

  • In Group play mode, “HOST” Sound Tower can connect to the Samsung TV. After the connection is successful, the Group play mode automatically exits. 
  •  The wireless Group Play connection is available for MX-ST50F/MX-ST40F. 
  • Environmental conditions or other factors with connected devices may have effect on playback quality.  Tower systems are disabled while in Stereo Group mode. 
  •  If the red LED is on the GROUP PLAY button, an error has occurred in the wireless Group Play connection. Try turning off and then turn on, then follow the steps from 1 to 3.
  • The ADD STEREO button and PAIRING button on the SUB Sound Tower systems are not available while in wireless Group Play mode. 
  •  The ADD STEREO button on the HOST Sound Tower system is not available while in wireless Group Play mode. 
  • Long press “GROUP PLAY” in Bluetooth Source state to enter Group mode as “HOST”. All SUB units must be connected one by one. For example, after HOST is connected, press GROUP PLAY button on SUB 1 to connect, and after SUB 1 is connected, you should connect SUB 2 and SUB 3 one by one sequentially. 
  • While using Group Play, currently connected Bluetooth devices are disconnected and Bluetooth connection is disabled. 
  •  Bluetooth devices can search and connect with the HOST Sound Tower only. 
  • When in Group Play mode, the SUB cannot connect to a Bluetooth device. 
  • If the Sound Tower is powered off and then turned back on, or if a source other than Bluetooth is selected on a SUB unit while in Group Play mode, the Group Play connection will be disconnected.
1 Download and open the Samsung Sound Tower app on your smartphone or tablet.
Sound Tower App higlighted
2 Connect HOST Sound Tower via Bluetooth.
3 Navigate to the Group Play settings.
Group play setting highlighted
4 Toggle the switch to turn Wireless Group Play on.
Group play toggle highlighted
5 On the other Sound Towers, press the 'GROUP PLAY' button and the GROUP PLAY LED will start blinking. They will automatically connect to the HOST Sound Tower when the GROUP PLAY LED becomes solid.
group play button on the rear of the sound tower
6 The other Sound Towers will appear in the Group Play settings when connected. You can select and unselect which Sound Towers you want to include and press 'Apply'.
sound towers that can be selected button and apply highlighted
7 Play music on the HOST Sound Tower system and sound will output from all connected systems simultaneously.

Steps for Stereo Play

Please Note: To use the Stereo Group mode, both Sound Tower systems must be the same model.

Diagram of speakers set up for stereo play.
1 Press the ADD STEREO button on the HOST Sound Tower and its LED will start to blink.
stereo play button on the rear of the sound tower
2 Press the ADD STEREO button on the second Sound Tower (SUB) and the LED will blink.
3 When the connection is made, you will hear a tone and the green ADD STEREO LED on the back panel will stay on.
4 Play the media on the HOST Sound Tower and sound will output from both Sound Towers.

Note: 

  • The MAIN Sound Tower system outputs left channel sound and the SUB Sound Tower system outputs right channel sound. Press the ADD STEREO button on the MAIN or SUB Sound Tower to change the sound channel of the Sound Tower.  
  •  Environmental conditions or other factors with connected devices may have effect on playback quality. 
  • If the red LED is on the ADD STEREO, an error has occured in the Stereo Group connection. Turn off both Sound Tower systems, unplug them from the power source if they are connected. Then turn on & try Step 1 to 3 again. If not plugged, replug them. Turn off both Sound Tower systems. Then turn on & try Step 1 to 3 again. 
  •  Bluetooth PAIRING and GROUP PLAY on the SUB Sound Tower systems are disabled while in Stereo Group mode. 
  • The GROUP PLAY button on the MAIN Sound Tower system is not available while in Stereo Group mode.  
  • When ADD Stereo is connected wirelessly to Smartphone via Bluetooth: Play/Pause button on set only works with HOST Sound Tower not SUB Sound Tower.
  • In mode other than “Bluetooth” (ex. USB, AUX mode), music is played only in MAIN Sound Tower and music is not played in SUB Sound Tower.
  • If you try to connect a Bluetooth device while Stereo Group is connecting, the Stereo Group mode may fail.  
1 Download and open the Samsung Sound Tower app on your smartphone or tablet.
Sound Tower App higlighted
2 Connect HOST Sound Tower via Bluetooth.
3 Navigate to the 'Stereo Setting'.
stereo settings highlighted
4 Toggle the switch to turn Wireless Add Stereo on.
stero toggle highlighted
5 Connect the second Sound Tower via Bluetooth.
6 The second Sound Tower will appear in the Stereo settings when connected. You can change which Sound Tower is the left and right speaker by pressing the swap button and selecting 'Apply'.
stereo swap and apply button highlighted
7 Play the media on the HOST Sound Tower and sound will output from both Sound Towers.

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