Black Box XR DVI-D Extender with Audio RS-232 and HDCPThe Black Box XR DVI D Extender with Audio, RS 232, and HDCP is engineered for professionals who demand pristine video and audio transmission over extended distances without sacrificing performance. Whether youre delivering a corporate presentation in a conference hall, teaching a classroom full of students, or coordinating a multi room display at an event, this extender ensures that your DVI D source and display stay in perfect sync. By integrating