4K HDMI Projector Guide: Selection, Setup, and Connection Tips

By XGIMI Tech - 2025-4

4K HDMI projectors bring cinematic visuals and versatile connectivity to any space. Whether you’re streaming movies, gaming, or presenting, this guide covers how to choose the best projector, top recommendations, and step-by-step HDMI setup tips.

What is the Best 4K HDMI projector?

Selecting the best 4K HDMI projector depends on your entertainment needs: cinematic quality or seamless connectivity. For movie enthusiasts, focus on HDR performance, color accuracy, and contrast ratios. For gamers, however, high-profile HDMI 2.1 support for 4K@120Hz, VRR, and ultra-low latency is recommended.

XGIMI 4K HDMI projectors, like the HORIZON S Pro, offer a single HDMI 2.1 port with eARC, delivering stunning 4K visuals and immersive audio through a single cable—perfect for hassle-free streaming. Some XGIMI models with dual-HDMI ports like HORIZON Ultra enable simultaneous connections, separating video and audio signals for theater-grade performance.

Whether you crave simplicity or versatility, XGIMI balances cutting-edge technology with user-friendly design.

XGIMI 4K UHD Projectors with HDMI Input

HORIZON Ultra HDMI Projector 4K for Movies

The hot-selling XGIMI HORIZON Ultra features Dolby 4K and advanced Dual Light technology—combining LED and Laser light sources. Its powerful performance ensures high-quality image display, high color accuracy, and automated functions for easy setup and use.

HORIZON Ultra has two 2.1 HDMI ports, one supporting ARC/eARC to connect to a soundbar for lossless audio. Dual HDMI ports enable simultaneous connections to multiple devices, such as gaming consoles and speakers, ideal for premium home theaters.

HORIZON Ultra

$1,099.00

• 4K with Dolby Vision: Experience unparalleled brightness, exceptional color accuracy, and premier image quality for a true Dolby Vision theater experience.
• 2300 ISO Lumens: HORIZON Ultra features ultra-high brightness plus lifelike color, providing incredible image detail morning, day, and night.
• Dual Light Technology: Pairing LED and Laser technology, HORIZON Ultra delivers the ultimate color accuracy, brightness, and color gamut for a visual experience you’ll never forget.
• Intelligent Screen Adaption 3.0: Our upgraded ISA technology smoothly optimizes projector environmental adaptability, easy usage, wall color adjustment, optical zoom, and other ISA features like never before!
• Dual 12W Harman Kardon Speakers: Combined with DTS Studio Sound Technology, HORIZON Ultra’s two full-range built-in speakers provide three-dimensional surround sound and the unforgettable theater experience you deserve.

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HORIZON Pro 4K Home Projector with Two HDMI Ports

The XGIMI HORIZON Pro is a versatile home projector featuring 4K resolution and 1500 ISO lumens for crystal-clear visuals. It delivers authentic color thanks to HDR 10 and professional audio via its built-in Harman Kardon speakers. Easily cast your favorite content on a large 200-inch screen for the ultimate theater-like experience.

Like HORIZON Ultra, HORIZON Pro features two 2.1 HDMI ports, one of which supports ARC/eARC transmission.

HORIZON Pro

$749.00

• True 4K Technology: Decorate any room with breathtaking 4K UHD displayed enormously on a 200” screen.
• Bright 1500 ISO Lumens: Ultra-bright projection that delivers incredibly sharp and detailed imagery any time of day.
• Powerful Sound: Dual 8W built-in Harman Kardon speakers deliver cinematic sound effects without needing external soundbars.
• ISA Technology: Automated screen alignment, focus, and obstacle avoidance ensure that your viewing experience goes uninterrupted.
• Android TV™: Endless entertainment from popular streaming apps like Hulu, Prime Video, and Disney+ is at your fingertips.

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HORIZON S Pro UHD Projector with an HDMI eARC Input

XGIMI HORIZON S Pro 4K HDMI 2.1 projector features certified Dolby Vision, Dual Light 2.0, and 1800 ISO lumens, delivering a cinematic experience like no other right in your living room.

HORIZON S Pro has a single 2.1 HDMI eARC port, built-in dual Harman Kardon speakers, and one-cable simplicity — making it perfect for casual use. It can easily handle movies, presentations, and light gaming at a lower cost.

HORIZON S Pro

$974.00

• Dolby Vision Certified: Transform your living space into a 4K giant theater with Dolby Vision. Experience leading cinematic quality right in the comfort of your home.
• Dual Light 2.0：The industry-leading solution to higher brightness, more accurate color, better image quality, and a more enhanced viewing experience. A beaming bright 1800 ISO lumens, not limited by time or space, ensures that the big screen stays clear and bright.
• Equipped with a flexible built-in stand: HORIZON S Pro eliminates the need for additional brackets or mounts. Easily adjust the projection angle to your liking, even when projecting onto the ceiling.
• ISA 5.0: Our advanced spatial perception algorithms now boast a substantial increase in image data training, delivering smarter features like wall color adaption and ultra-wide screen mode.
• More Comfortable Viewing Experience: SGS Low Blue Light Certification, Low Speckle A+ Certification, Low Color Breakup Ratio A+ Certification.
• Corner Curvature Design: A continuous corner curvature provides seamless visual flow and a comfortable touch, enhancing the HORIZON S Pro's elegance and sophistication in any space.

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How to Connect Devices to Your 4K Projector for Videos or Music?

For seamless HDMI connectivity for watching movies, gaming, streaming, or presenting, follow the steps below:

1. Confirm HDMI Compatibility

Before connecting any device, check the HDMI versions (2.1, 2.0, or 1.4) of both your source device (e.g., laptop, gaming console) and the 4K digital projector with HDMI.

2. Choose the Right HDMI Cable

Not all HDMI cables are the same. You should find the most suitable cable for your device versions. There are three main types: Ultra High-Speed HDMI (48Gbps), High-Speed HDMI (18Gbps), and Standard HDMI (suitable for 1080p or lower resolutions).

For example, a PS5 connected to a 4K@120Hz projector requires an Ultra High-Speed HDMI cable.

Connecting Your iPhone, Android, or Tablet to a 4K Projector

iPhones/iPads: Use a Lightning-to-HDMI or USB-C-to-HDMI adapter (for newer iPads). Enable Mirror Display in Settings to project content.

Android Phones/Tablets: Requires a USB-C-to-HDMI adapter (ensure your device supports HDMI Alt Mode). Samsung DeX or Huawei Desktop Mode can transform your phone into a PC-like interface.

3. Connecti Your Devices to Projector via HDMI Cable

Plug one end of the HDMI cable into your device’s output port and the other into the 4K projector’s HDMI input. Ensure the connection is secure and that the signal source is set to the correct HDMI version.

4. Adjust Device Settings like Resolution, Refresh Rate, and Audio

After connecting, configure the output settings on your source device:

Resolution: Set to the projector’s native resolution of 4K or 1080p.

Refresh Rate: Match the projector’s max supported rate (e.g., 60Hz or 120Hz).

Audio: Select HDMI Output for sound (if using the projector's built-in speakers) or route audio to an external system.

On a Windows PC, you can try going to Settings > System > Display > Advanced Display Settings to adjust the resolution/refresh rate.

Note:

1. A signal booster may be required for HDMI cables longer than 5 meters.

2. Avoid cheap adapters: they often fail to transmit 4K or HDR signals.

Final Takeaway

Transform your space with a 4K HDMI projector—where stunning clarity meets effortless connections. Ready to dive in? Grab your remote, plug in, and let the big-screen adventure begin!

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