X1 combines the best of our previous-generation DJ controllers with brand-new features. Get extensive functionality for effects control, playback manipulation, looping, and mixer mapping. Brand : NATIVE INSTRUMENTS .Portable USB DJ controller with tactile design and advanced OLED displays, for adding effects, looping, and mixing. X1 combines the best of our previous-generation DJ controllers with brand-new features. Get extensive functionality for effects control, playback manipulation, looping, and mixer mapping.