HDMI Splitter 1 in 4 Out 4K 60Hz 4:4:4 - Mirror Four Displays

In this review of the HDMI Splitter 1 in 4 Out 4K 60Hz 4:4:4, the bottom line is simple: it is a practical solution for anyone who needs to duplicate one HDMI source across up to four identical displays with reliable 4K@60Hz support. The reviewer found it best for media rooms, retail displays, and classrooms where mirroring is required rather than extended desktops. The single biggest reason to buy is its broad format compatibility and EDID controls that help match mixed-resolution screens while keeping audio formats intact.

Key Features

• 1x4 HDMI Splitting: Splits a single HDMI input to four synchronized outputs so the same video plays on all connected displays without timing mismatch.
• 4K@60Hz 4:4:4 Support: Handles high-bandwidth video up to 4K 60Hz with HDMI 2.0 compatibility to preserve color fidelity for HDR and detailed content.
• Integrated EDID Modes: Scaler, Copy and Auto modes let the unit downscale or copy EDID settings to help when connected displays have different resolutions.
• Wide Audio Format Support: Passes LPCM 2.0/5.1/7.1, DTS, Dolby Digital, DTS-HD Master Audio and Dolby TrueHD so multichannel audio is retained for home theater setups.
• Broad Device Compatibility: Works with game consoles, Blu-ray players, streaming sticks, laptops and projectors, making it suitable for diverse AV systems.
• Included Accessories: Ships with a power adapter, USB power cable and a user manual, plus a two-year warranty and lifetime technical support for peace of mind.

Who It's For

The splitter is ideal for AV installers, small business owners and educators who need to mirror one source to multiple displays in retail windows, meeting rooms or classrooms. It is also a good fit for home theaters and media rooms where identical TVs or projectors will show the same video feed.

It is not for users who need extended desktop modes or independent displays from a PC; this unit is strictly duplicate/mirror only. Also, those who require 4K 120Hz or 12-bit HDR workflows should look to alternatives that explicitly support those higher performance modes.

Pros & Cons

Pros

• Reliable mirroring across four outputs with synchronized signals for consistent playback.
• Supports 4K@60Hz 4:4:4, HDR10+ and Dolby Vision compatibility for high dynamic range content.
• EDID Scaler, Copy and Auto modes improve compatibility with mixed-resolution displays.
• Accepts a wide range of audio formats so multichannel sound is preserved to receivers and displays.

Cons

• Mirror-only operation means it cannot provide extended or independent displays from a single PC source.
• Some users report mixed long-term reliability and limitations with the highest HDR/refresh rate combinations.

Specifications

Type	HDMI 1x4 Splitter (mirror only)
Max Video	4K@60Hz 4:4:4
HDMI Version	HDMI 2.0
HDCP	HDCP 2.3 / HDCP 2.2
Bandwidth	18 Gbps
Audio	LPCM 2.0/5.1/7.1, DTS, Dolby formats
Included	Power adapter, USB power cable, user manual, 2-year warranty

Our Verdict

The HDMI 1x4 splitter is a solid value if you need dependable mirroring of one source to multiple displays with strong format support and EDID controls. It excels in commercial and educational settings and for home setups where identical screens are used. Buyers seeking extended desktop capability or bleeding-edge 4K 120Hz HDR performance should consider other options, but for synchronized 4K@60Hz mirroring this unit delivers useful features at a reasonable value.

Frequently Asked Questions

Can this splitter extend a PC desktop?
No. This unit only duplicates the input to all outputs and does not support extended or independent displays from a PC.

Will it work with mixed-resolution displays?
Yes. The integrated Scaler mode and Auto mode can downscale outputs so displays with the same refresh rate but different resolutions can show the same image.

Does it pass Dolby and DTS multichannel audio?
Yes. It supports LPCM multichannel, DTS, Dolby Digital, DTS-HD Master Audio and Dolby TrueHD audio formats.