4K Ultra HD Multi-Format 4x1 Scaler with Auto-Switching and Split HDMI and HDBaseT Outputs. The Gefen EXT-4K300A-MF-41-HBTLS is a 4x1 Presentation Switcher with HDMI, DisplayPort, DVI, and VGA inputs, along with an L/R analog audio input that accompanies both the DVI and VGA inputs. It features split HDMI/HDBaseT outputs, and a de-embedded analog L/R audio output. The 4 inputs can be switched automatically or manually. Control options include the front panel, a hand-held IR remote, electrical IR, RS-232, and contact closure. The split HDMI and HDBaseT outputs can simultaneously feed a local and a remotely-installed display, adding flexibility in larger presentation environments.