Marshall Electronics ML-503 Rackmount LCD Monitor with Triple 5-Inch Screens (2 RU)

Triple 5-Inch Rackmount Display for Versatile Installations

The Marshall Electronics ML-503 Triple 5-inch Rackmount LCD Monitor (2 RU) is a feature-rich and cost-effective solution ideal for a variety of professional video system setups. Whether you're outfitting fly-packs, control rooms, or routing centers, the ML-503 delivers reliability and performance. Its compact 2 RU form factor houses three high-definition 5-inch screens, offering a streamlined yet powerful monitoring setup in tight spaces.

High-Performance Display with Multiple Inputs

Each of the three LCD panels offers excellent color rendition, stability, and off-axis performance—making it easy to achieve clear visuals from multiple viewing angles. The adjustable backlight allows for customized brightness levels to match different lighting environments. The ML-503 is equipped with a wide array of input options, including 3G-SDI (HDSDI, SDI) and HDMI, with loop-through capabilities for flexible signal management.

Operator-Friendly Interface and Controls

Designed with user efficiency in mind, the ML-503 features front panel controls that grant access to all functions, along with two user-programmable shortcut buttons. On-screen safe area and center markers provide helpful framing guides, while the headphone jack supports embedded stereo audio monitoring. The unit also includes firmware update capabilities via USB port and thumb drive.

Integrated Tally System for Real-Time Feedback

Each screen in the ML-503 includes on-screen three-color tally lights—red, green, and yellow—for instant visual feedback in live production environments. These visible border tallies help operators stay informed about source status and switching cues in real time.

Built for Adaptability and Professional Use

The tilting mount allows users to optimize viewing angles and ensure easy access to the back panel for adjustments or cable management. Compact yet highly capable, the ML-503 is engineered for professionals who need reliable, multi-screen monitoring in demanding production settings.

Features

• Three screens, great picture, great price
• Wide aspect, 5-inch diagonal x 3
• Perfect for flypacks, control rooms, news vans
• Front panel controls give access to all functions
• Three color on-screen tally lights (Red, Green, Yellow)
• Multiple inputs, all with loop-through connections: 3GSDI (HDSDI, SDI), HDMI
• Safe area and center markers
• Two user short-cut function buttons
• Tilting mount. Adjust for optimum viewing and back panel access
• Headphone jack to monitor embedded stereo audio
• Firmware update via USB port and thumb drive