VOGEL'S SOUND 3550 Soundbar mount universal | Also compatible for Bose SoundTouch 300/700, Sonos Beam/Playbar, Samsung, Sony, LG and JBL | Soundbar mount for VESA 100 till 600 | Max. weight 14lbs:
Sonos Playbar vs Bose SoundTouch 700 Soundbar Comparison – The Droid Guy
Bose SoundTouch 300 vs. Sonos Playbar – Which Should You Pick?