Illuminate Your Mixer, and Protect it from Dust The Soundcraft Si Impact is a powerful solution for digital mixing, and this Si Impact Accessory Kit helps you get the most out of it. It includes a USB light that plugs right into your mixer to provide visibility in dark situations. You also get a dust cover to help keep your mixer free from dirt and grime. Live sound engineers at GearNuts know that the right accessories can improve your mixing experience immensely. If you have an Si Impact mixer, get the Soundcraft Si Impact Accessory Kit.Soundcraft Si Impact Accessory Kit Features: Accessory kit for Si Impact digital mixer Dust cover provides protection from dirt and grime USB light for visibility in low-light conditions