Matrox Ships QuadHead2Go Multi-Monitor Controllers For Video Walls - The Broadcast Bridge - Connecting IT to Broadcast
Amazon.com: Dual Monitor KVM Switch HDMI 2 Port 4K@60Hz,MLEEDA USB HDMI Extended Display Switcher for 2 Computers Share 2 Monitors and 4 USB 2.0 Hub,Desktop Controller and USB HDMI Cables Included : Electronics
Matrox unveils its QuadHead2GO multi-monitor controllers for video walls - TM Broadcast International
TC Electronic Monitor Pilot Multi-Monitor Switching Control Station with Elegant Desktop Controller and Calibrated Listening | Sweetwater
QuadHead2Go Multi-Monitor Controller Appliance ADK Pro Audio | 423-254-0492 | This is the Pro Audio gear and Digital Audio Workstation you've been looking for
MC7.1 Surround Monitor Controller - TransAudio Group