X-VIEW XV-X4 can be used as a single standalone video wall controller or multiple XV-X4 units can be combined with the XV-DL8 DVI distribution unit to create imaginative video wall displays. The XV-X4 allows for each output to display and arbitrary scaled region of the input. Displays can be arranged in Landscape, Portrait or mixture of both. Ideal display controller for Retail, Mall Displays, Digital Signage, TV Studio Walls and many other applications. The XV-X4 can also be interfaced with other X-VIEW XV-VISxxx controllers to provide multiple inputs, all outputs are vertically synchronised and each output can drive displays in HD, ensuring quality is maintained at all times.