Roland VR-400UHD 4K Streaming AV Mixer; 4K streaming AV mixer with two touch screens; combines video switching, audio mixing and USB streaming in one unit; scene function for creating and recalling complex video compositions; simultaneous preview of up to eight scenes; storage of up to 64 scenes (eight scenes and eight banks) including zoom level, cropping and more; Scenes for compositing two picture-in-picture/key layers over background images; Superimpose a DSK image over the picture-in-picture/key layers and background image regardless of the scene used; Seven HDMI inputs with up to 4K/60p frame rate (four inputs can be used simultaneously); Supported resolutions: 4K/60p, HDR (Rec. 2020 ) up to 1080/60p, SDR (Rec.709 ); Integrated scalers in the HDMI inputs and outputs for free combination of the formats 4K/FHD, HDR/SDR and Rec.2020/Rec.709 ; Import and save BMP, JPEG and PNG image files via USB to eight internal storage locations (PNG alpha channel supported); Region-of-Interest (ROI) function to simulate multiple camera perspectives with a single 4K camera; Seamless switching between two scenes in PGM/PST mode; Dual mode allows different scenes to be displayed on each of the two touch displays; 14-channel digital audio mixer with advanced effects and signal processors; Four XLR/TRS combo inputs with phantom power, two TRS mic inputs and two stereo RCA line inputs; USB-C webcam output supports streams up to 4K/30fps (compatible with USB 3.2 Gen 2, 10 Gbps); Technical data:; Power supply: AC 115 V, AC 117 V, AC 220 V, AC 230 V, AC 240 V (50/60 Hz); Power consumption: 115 W; Dimensions: 436 x 279 x 137 mm; Weight: 6.8 kg