Check the listing for details. Coolux Fader Extension Board /JUA2188. Condition: For parts or not working. Listed at 80.00 USD. The Coolux Fader Extension Board /is a versatile component designed for seamless integration with your existing video production setup. Ideal for professionals in the video editing and production industry, this extension board is compatible with a variety of Coolux products, offering a reliable solution for enhancing your workflow. Featuring a robust fader system, the board ensures precise control and smooth transitions during live events or studio environments. The model number / denotes its specific compatibility and integration capabilities with other production switchers in the Coolux lineup, making it an essential tool for any serious video production endeavor.///unit its missing 1 button selling for parts or to be repair//