2x additional input slots open. See full product brocure at.The item "Sony BVM-230 TRIMASTER 23 LCD Monitor with 2x input boards, BKM-16R Controller" is in sale since Friday, May 18, 2018. This item is in the category "Cameras & Photo\Video Production & Editing\Video Monitors". The seller is "buffalogal310" and is located in Atlanta, Georgia. This item can be shipped to United States.