Extron SB 33 A is the industry's first adjustable-width sound bar for enhancing the audio experience in collaboration spaces. It features two 3 full-range drivers with a tuned port, powered by an ENERGY STAR qualified Extron Class D amplifier. Designed to mount under a display, the SB 33 A features an innovative adjustable width capability, allowing it to match the precise width of the display for a custom look. The center panel accommodates an internal webcam and can be configured for PTZ cameras using an optional shelf. There is also an optional blank center grille for applications where no camera is required. The SB 33 A is compatible with the VCM series volume and mute controllers. The SB 33 A mounts to an included wall plate or to an optional VESA mounting kit for use with display mounts