Please note that this doesn't come with the dongle. Some models do not need them / or you may have one if you have the swa-w700. In that case, you also don't need one. 


Samsung SWA-9000S Overview

Add wireless surround sound to your compatible soundbar with the Samsung SWA-9000S 2.0-Channel Rear Wireless Speaker Kit. These compact speakers work with the HW-Q80R, HW-N850, HW-K850, HW-MS550, HW-MS650, HW-MS6500, HW-MS750, HW-NW700, HW-Q800T, and HW-Q70T soundbars and come with a two-channel amplifier that wirelessly connects to your soundbar for an immersive surround-sound experience. The speakers are wall-mountable for convenience.