The AVIOR GHSP8214E is a rack-mountable 4-Port HDMI Audio / Video Cat 5e/6 Splitter that takes high definition audio and video from a single HDMI media source and directs it to 4 separate HD TVs or displays with 3D support via Cat5e/6 receiver GH8201ER. Being HDCP compliant, the unit is able to support the highest quality HD video and multi-channel digital audio enabling the splitting of HD content from DVR / Set-top boxes, Blu-Ray players, computers and other HD or non-HD devices. The "Loop Through" also known as a "Local Port" offers additional flexibility for cascading and an additional local viewing monitor connection.