V-4CF on September 3, 2015 | Marketing Team Cross Fader CROSS FADER FOR THE V-4EX, V-8, AND V-4 Allows you to switch between your video sources extremely fast. While the T-bar is high and holds your hand up comfortably, the V-4CF sits low so your forefingers can shuttle between images with lighting speed. You can adjust the distance-throw to a stroke of 10 mm, 23 mm, 35 mm or 45 mm.