1. Introduction
This manual provides essential information for setting up, operating, and maintaining your CUNPU 27-inch 4K 160Hz Ultimate Gaming Monitor. Please read it thoroughly before use to ensure optimal performance and longevity of your device.
Key Features:
- Uncompromised Visuals: Experience stunning 4K resolution (3840x2160) with a 160Hz refresh rate for maximum fidelity and fluidity.
- Elite Responsiveness: Fast IPS panel with 1ms response time (GTG) ensures ultra-responsive gameplay and seamless on-screen action.
- Exceptional Color Accuracy: 99% DCI-P3 color gamut with Delta E ≤ 2 factory calibration for studio-reference color accuracy, ideal for both creative work and gaming.
- Smooth Gaming: G-Sync Compatible and FreeSync support eliminate screen tearing and stuttering for a smooth gaming experience.
- Advanced Connectivity: Equipped with full-bandwidth HDMI 2.1 and DP 1.4 ports, supporting 4K/160Hz, VRR, and QFT for next-gen consoles and GPUs.
- Ergonomic Design: Full ergonomic stand allows for height, tilt, swivel, and pivot adjustments for personalized viewing comfort.
- HDR400 Support: Delivers brighter highlights and deeper shadows for an immersive visual experience.
2. What's in the Box
Please check the contents of your package. If any items are missing or damaged, contact your retailer.
- 1x CUNPU 27 Inch 4K Gaming Monitor
- 1x Power Adapter
- 1x DP Cable
- 1x Quick Installation Stand & Base Set
3. Setup
3.1. Monitor Assembly
The monitor stand and base are designed for tool-free, quick installation.
- Attach the monitor stand to the monitor base. Ensure it clicks securely into place.
- Align the assembled stand with the mounting slot on the back of the monitor.
- Gently push the monitor onto the stand until it locks into position.

3.2. Cable Connections
Connect the necessary cables to your monitor and computer/console.
- Power Connection: Connect the power adapter to the monitor's DC input port, then plug the power cable into a wall outlet.
- Video Connection: Connect one end of the provided DisplayPort (DP) cable to the monitor's DP 1.4 port and the other end to your computer's graphics card. Alternatively, use an HDMI 2.1 cable for compatible devices like PS5 or Xbox.
- Audio Output: If desired, connect external speakers or headphones to the monitor's audio out port.

3.3. VESA Mounting (Optional)
The monitor supports VESA 100x100mm mounting for alternative stand or wall mount solutions. Ensure you use appropriate VESA screws (not included with the monitor) and follow the instructions provided with your VESA mount.
4. Operating
4.1. Power On/Off
Press the power button located on the monitor to turn it on or off. The power indicator light will illuminate when the monitor is active.
4.2. Ergonomic Adjustments
The monitor's stand offers full ergonomic flexibility to optimize your viewing experience:
- Height Adjustment: Raise or lower the monitor to eye level.
- Tilt Adjustment: Tilt the screen forward or backward (-5° to 15° ±2°) to reduce glare and find a comfortable angle.
- Swivel Adjustment: Rotate the monitor horizontally (up to 30° left or right) to share your screen or adjust your position.
- Pivot Adjustment: Rotate the screen 90° to switch between landscape and portrait orientations, ideal for coding or document viewing.

4.3. On-Screen Display (OSD) Menu
Access the OSD menu using the joystick or buttons on the monitor to adjust settings such as brightness, contrast, color modes, input source, and gaming features.
4.4. Display Settings
Ensure your operating system and graphics card settings are configured to utilize the monitor's full capabilities (4K resolution, 160Hz refresh rate, HDR).





5. Maintenance
5.1. Cleaning the Monitor
To clean the monitor screen, gently wipe it with a soft, lint-free cloth. For stubborn marks, lightly dampen the cloth with water or a mild, non-abrasive screen cleaner. Avoid using harsh chemicals or abrasive materials.
5.2. General Care
Keep the monitor away from direct sunlight, excessive heat, and moisture. Ensure proper ventilation around the monitor to prevent overheating. Avoid placing heavy objects on the monitor or its cables.
6. Troubleshooting
If you encounter any issues with your monitor, refer to the following common troubleshooting steps:
- No Power: Ensure the power cable is securely connected to both the monitor and the power outlet. Check if the power adapter is working correctly.
- No Signal: Verify that the video cable (DP or HDMI) is firmly connected to both the monitor and your computer/console. Ensure the correct input source is selected in the OSD menu.
- Flickering Screen: Check your graphics card drivers and update them if necessary. Ensure the refresh rate is set correctly in your display settings.
- Poor Image Quality: Adjust brightness, contrast, and color settings via the OSD menu. Ensure the display resolution is set to 3840 x 2160 (native) in your operating system settings.
- Stand Wobbles: Ensure all parts of the stand are securely assembled and tightened. Place the monitor on a stable, flat surface.
For further assistance, please contact CUNPU customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | CUNPU |
| Model Number | S027/32/34ES |
| Screen Size | 27 Inches |
| Resolution | 4K UHD 2160p (3840 x 2160 Pixels) |
| Refresh Rate | 160Hz |
| Response Time | 1ms (GTG) |
| Panel Type | Fast IPS |
| Color Gamut | 99% DCI-P3 |
| HDR Support | HDR400 |
| Adaptive Sync | G-Sync Compatible & FreeSync |
| Aspect Ratio | 16:9 |
| Image Brightness | 400 Candela |
| Connectivity | HDMI 2.1 (x2), DisplayPort 1.4 (x2), USB (x1), Audio Out |
| Ergonomic Stand | Height, Tilt, Swivel, Pivot Adjustment |
| Product Dimensions | 7.55 x 24.11 x 20.97 inches |
| Item Weight | 15.67 pounds |
8. Warranty and Support
Your CUNPU monitor comes with a standard manufacturer's warranty. Please refer to the warranty card included in your package for specific terms and conditions. For technical support, troubleshooting, or warranty claims, please visit the official CUNPU website or contact their customer service department.
Online Resources: For the latest drivers, firmware updates, and FAQs, please visit the CUNPU support page.