MI-SB44 easily attaches to the backside of your TV using the VESA bolt holes. Designed specifically for the Sonos Beam sound bar, with an opening for easy access to the rear sound bar ports. Platform features two mounting holes that match perfectly with the Sonos Beam for a secure and sturdy hold. Attaching the sound bar to the TV is great for full motion TVs because it allows the sound to follow the direction of the TV for a better listening experience.