Marshall ML-503 Triple 5" Rackmountable Monitor with HDMI and 3G-SDI Inputs

Optimize your monitoring workflow with the Marshall Electronics ML-503 rackmount monitor — a purpose-built solution for broadcast, security and surveillance professionals. This 19" rack-friendly monitor integrates three crisp 5" LCD screens in a compact package so you can view multiple camera feeds, program/preview outputs or signal sources at a glance. Equipped with HDMI and 3G‑SDI inputs (with loop-through), the ML-503 lets you route and monitor redundant signals without extra distribution hardware, reducing cabling and potential points of failure. On-screen safe-area and center markers, plus three-color tally, support live production, switching and control-room operations with greater accuracy and speed. Front-panel controls, two user shortcut buttons, a tilting rack mount and USB firmware updates make it simple to configure and maintain in mobile news vans, flypacks, studio racks and surveillance installations. Trust Marshall Electronics' ML-503 to deliver reliable multi-input monitoring for video production, security monitoring and networked broadcast environments. Add it to your rack for immediate use in control rooms, OB vans or surveillance stations.

• Rack-friendly triple 5" LCDs deliver three simultaneous feeds in a single 1U-width solution for efficient rackspace use
• HDMI and 3G‑SDI inputs with loop-through ensure flexible multi-source monitoring and easy signal distribution
• Built-in three-color tally and safe-area markers streamline live switching and confidence during broadcast or surveillance operations
• Front-panel controls, tilt rack mount and USB firmware updates simplify setup, maintenance, and on-the-road adjustments
• Durable design optimized for flypacks, news vans, control rooms and security monitoring applications