Distribute one HDMI source to four displays with synchronized video and audio output. The StarTech ST124HDMI2 is a 4-port HDMI splitter / signal amplifier designed for environments where the same content must appear on multiple screens at once, without introducing extra switching steps or source duplication issues. Built for professional AV deployments, it supports Ultra HD 4K video and maintains signal quality across all connected displays. That makes it a practical fit for boardrooms, classrooms, retail signage, and control spaces where image consistency matters. Instead of relying on lower-grade splitters that can degrade output or create handshake problems, this model is intended to keep the source stable as it is distributed. For integrators and IT teams, the value is straightforward: one source, four outputs, predictable behavior. It reduces cabling complexity at the display edge and helps standardize presentation across multiple screens. When the same message needs to land everywhere at once, this splitter keeps the deployment clean and the experience consistent.