An input expander board for the Sprite DV-S1media player. Enables up to 25 separate inputs on a 5×5 matrix to the Sprite DV-S1 player. The input expander board is equipped with a screw terminal strip and programmed to take up to 25 inputs and control up to 25 triggered files on the Sprite DV-S1 player. You can use push-buttons, dry contacts such as a relay, or logic-level voltage changes with a high-to-low transition trigger. The 8×78-25IN board is physically the same as the regular 8×78-IN board. Only the processor is programmed differently to accept 25 inputs.