Panasonic AV-HS410E (AVHS410E) Compact all-in-one 1ME Production Vision Switcher. The AV-HS410 is compact and versatile with nine inputs standard (eight HD-SDI, one scaleable HD DVI-D), and is expandable using option boards to a maximum of 13 HD/SD switchable signal inputs. Five HD-SDI and one DVI-D outputs are also standard with option boards enabling expansion to a maximum of 10 outputs. Two expansion slots allow the simultaneous use of up to two AV-HS04M Series dual-channel input or output boards.