The Crestron DMPS3-4K-150-C has a 4K scaler, audio mixer and digital signal processor. Fully IP-based, it can use IP versions 4 and 6 and tops out at an ultra-HD resolution of 4,096 by 2,160. By contrast, Crestron's older and less expensive DMPS-100-C switching system maxed out at 2,048 by 1,152 resolution, with support for up to eight sources. The DMPS3-4K-150-C can handle 10 inputs and one output. More »