Master IT HDMI Splitter 1×4 – Mirror One HDMI Source to Four Displays

Overview

The Master IT HDMI Splitter 1×4 allows you to duplicate a single HDMI source—like a PC, media player, or console—to four HDMI displays simultaneously. It supports up to 4K × 2K resolution (likely 30 Hz), includes audio and 3D compatibility, and offers a simple plug-and-play experience—perfect for digital signage, office presentations, or home setups. siig.com+15numberone.my+15amazon.in+15reddit.com

Key Features

• One-in, four-out mirroring: Projects the same content across four screens at once—ideal for synchronized displays.

• Supports 4K × 2K & Full HD resolutions: Also compatible with 3D and standard HD formats.

• Audio formats supported: LPCM, Dolby AC‑3, DTS 7.1, DSD/Dolby TrueHD/DTS‑HD Master Audio. amazon.ae+7itpalacehub.pk+7reddit.com+7

• HDMI 1.4 & HDCP compliant: Ensures compatibility with most HDMI devices and protected content. geewiz.co.za+1globallinker.com+1

• Powered unit: Includes external adapter for signal amplification—ideal for longer cable runs. reddit.com

• Durable build: Most models feature compact metal casing for better heat management. muxlab.com+11itpalacehub.pk+11reddit.com+11

• Plug-and-play ready: No drivers required—just connect HDMI cables and the power adapter.

Typical Specifications

Benefits & Limitations

✅ Pros

• Great for mirroring content across multiple displays (e.g., storefronts, classrooms)

• Supports modern video formats—4K, HD, and 3D

• Powered design allows longer cable usage and steady signal quality

• Durable, compact casing fits into tight setups

⚠️ Cons

• Mirroring only—does not support extended/independent displays

• May require shorter HDMI cables at 4K/30 Hz to ensure signal integrity

• HDCP support may be restricted to version 1.4 depending on model

• No advanced features like HDMI 2.0, EDID management, or HDR passthrough

Customer & Expert Notes

• Some cheaper 1×4 splitters face HDCP or handshake issues—look for powered units with stable performance reddit.comreddit.com+4reddit.com+4reddit.com+4amazon.ae+4reddit.com+4muxlab.com+4amazon.in+15reddit.com+15muxlab.com+15

• For reliable 4K/60 output, look into advanced models (like HDMI 2.0 splitters with EDID support)

Ideal Applications

• Digital signage in retail or transportation hubs

• Boardrooms, classrooms, and training centers requiring mirrored presentations

• Home entertainment where one source feeds multiple TVs or projectors

• Control rooms or multi-display monitoring stations