Panasonic AV-HS400A (THE "A" VERSION HAS MORE FEATURES, CROSSPOINT WAS ENHANCED) - COMES STANDARD WITH 4 HD/SD-SDI INPUTS & OUTPUTS, BUT CAPABLE OF UP TO 8 I/Os WITH OPTIONAL CARDS - MULTIVIEWER - CHROMA-KEY

OPTIONAL CARDS ITEMS AT AN ADDITIONAL COST:
B-Stock AV-HS04M1, Dual SDI input board
DEMO AV-HS04M3, Dual DVI input board
B-Stock AV-HS04M5, DVI & Component output board