The BrightSign AU335 is a low-cost interactive audio player. The Player offers multiple connection possibilities like USB, GPIO, micro HDMI (supporting ARC and eARC) and, Ethernet. Multiple players could be connected by the network for synchronized audio installation. The various connection possibilities enable e.g. light-control, interactive control of the player, control of other devices, etc. Presentation authoring is done by the software Brightauthor: connected which can be downloaded from the manufacturer's homepage for free.