4K HDMI 2.0 Splitter 1 In 4 Out
This 1×4 4K HDMI splitter can serve as a fantastic solution for your home theater, restaurant, house of worship, retail store, etc. Let’s explore the wonderful performance of this gadget in this video!
AV Access 4KSP14-S 1×4 HDMI Splitter with Scaler — a powerful HDMI 2.0 1-in-4-out splitter that expands one HDMI source to four displays with 4K@60Hz 4:4:4 support, HDR10, and HDCP 2.2 compliance. Featuring an auto downscaler, this device intelligently adjusts signals for mixed-resolution displays, delivering stunning video and immersive audio to multiple screens simultaneously.
Distributes one HDMI input signal to four HDMI displays, magnifying your 4K experience!

This 1×4 4K HDMI splitter can serve as a fantastic solution for your home theater, restaurant, house of worship, retail store, etc. Let’s explore the wonderful performance of this gadget in this video!

This 1×4 HDMI splitter supports resolution up to 4K@60Hz 4:4:4 with HDR, delivering a visually stunning and immersive video experience. Stay confident that the high-quality video signal is reliably distributed to each connected display without any degradation in resolution or visual fidelity.
The 4K HDMI splitter automatically detects the connected displays and intelligently downscales the 4K video signal to 1080P for the 1080P monitor. It allows you to route a 4K video source to 4K displays and 1080P displays simultaneously, offering you more flexibility to manage your display devices.
Note: It doesn’t support downscaling from 4K@60Hz (4:2:2) to 1080P.


The 4K splitter is HDMI 2.0 and HDCP 2.2 compliant. It supports audio formats like Dolby Atmos, DTS:X, DTS-HD Master Audio, PCM7.1 and Dolby TrueHD, so that you can enjoy 3D and HD lossless audio effect.
Just plug and play, it will start working immediately. No additional software or drivers are required for its operation. The 4K HDMI splitter kit is compact and portable, as small as a smartphone. Thus, it won’t take up much space in your setup, making it convenient for home theater, sports bar, restaurant, retail store, etc.

This 1 in 4 out HDMI splitter is compatible with the latest HDMI sources and display devices, ensuring seamless connectivity and optimal performance. It can work flawlessly with Apple TV 4K, Roku 4, Amazon Fire TV 4K, Cisco cable box, Comcast, Xbox One X, etc.

When transmitting 4K@30Hz resolution, the maximum HDMI cable length you can use at the input end and at the output end are 10 meters and 15 meters respectively. It means you can transmit up to 25m. When transmitting 4K@60Hz, you can reach up to 10m. Please refer to the resolution table below to determine your HDMI cable length.

🔄 1×4 HDMI Signal Distribution: Sends one HDMI input to four HDMI outputs — perfect for multiple screens in homes, offices, stadium bars, retail and more.
🎬 4K@60Hz 4:4:4 with HDR10 & HDCP 2.2: Supports ultra-HD resolution with rich color and HDR10 high dynamic range for vibrant visuals.
🔁 Auto Downscaler: Automatically scales a 4K source to 1080P on lower-resolution displays while keeping 4K on others — super flexible for mixed setups.
🚀 HDMI 2.0 & 18 Gbps Bandwidth: Fast, stable data throughput ensures minimal signal loss across all outputs.
🔊 Immersive Audio Support: Works with lossless audio formats including Dolby Atmos, DTS:X, DTS-HD Master Audio, PCM7.1 and Dolby TrueHD.
📺 Plug & Play Setup: No drivers or software needed — simple HDMI in, HDMI out and power connection.
🏆 Wide Compatibility: Works with Apple TV 4K, Roku 4, Fire TV, Xbox Series X, PS5, Blu-ray players, PCs, laptops and more
| Specification | Details |
|---|---|
| Product | AV Access 4KSP14-S HDMI Splitter with Scaler |
| Model | 4KSP14-S |
| HDMI Standard | HDMI 2.0 |
| HDCP Support | HDCP 2.2 |
| Inputs | 1 × HDMI In |
| Outputs | 4 × HDMI Out |
| Max Resolutions | 4K@60Hz 4:4:4, 1080P@120Hz |
| HDR Formats | HDR10 (Dolby Vision depends on source) |
| Bandwidth | 18 Gbps |
| Audio Formats | PCM2.0/5.1/7.1, Dolby TrueHD, DTS HD Master Audio, Dolby Atmos, DTS:X |
| Scaler | Auto 4K → 1080P downscaling support |
| Installation | Plug & Play (No drivers) |
| Power | DC 5V 1A |
| Dimensions | 140 × 20 × 65.2 mm |
| Weight | ~0.24 kg |
| Use Cases | Home theaters, offices, retail, restaurants, classrooms |
Q: Can this splitter work with 4K and 1080p screens at the same time?
A: Yes — the auto downscaler adjusts the 4K signal to 1080p on lower-resolution screens while maintaining 4K on others.
Q: Does it support HDR10 and high-quality audio formats?
A: Yes — it supports HDR10 and lossless audio (Dolby Atmos, DTS:X, etc.).
Q: Is this device plug-and-play?
A: Yes — no drivers or configuration tools are required; just connect HDMI and power.
