The SP3-AFVP+ Audio Follow Video Preamplifier takes your audio and video infrastructure to the next level. The AFVP+ was designed from the ground up to extend the capabilities of the SmartPanel effortlessly. Plug it in, and right out of the box it takes over volume control and audio switching from the projector. Six audio inputs. Balanced outputs. With the AFVP+, the SmartPanel can provide access to all audio sources. Independent operation. Integrated and configurable video switching.