The Sanus TV Wall Mount Accessory for Sonos Arc helps position your speaker (not included) directly below your compatible TV for an immersive entertainment experience. Key Features: - 4-inch of Arc depth-adjustment helps ensure that mounted speaker and mic (not included) are functioning at peak performance - Allowing active height adjustment and convenient access to I/O and power ports; it has an easy release latch - Attaches directly to the TV mount; so the sound moves with the TV in your preferred position What's in the Box - Sanus - TV Wall Mount Accessory for Sonos Arc