Invision MX400
Invision MX400 Dual Monitor Arm Instruction Manual
Model: MX400
1. Introduction
Thank you for choosing the Invision MX400 Dual Monitor Arm. This product is designed to enhance your workspace by providing an ergonomic and space-saving solution for mounting two computer monitors. The MX400 features advanced gas spring technology for smooth and precise adjustments, promoting a healthier posture and optimizing your desk space. This manual provides detailed instructions for safe installation, operation, and maintenance of your monitor arm.

Image 1.1: Invision MX400 Dual Monitor Arm supporting two displays.
2. Safety Information
Please read all instructions carefully before installation and use. Failure to follow these instructions may result in property damage, serious injury, or death. If you do not understand these instructions or have doubts about the safety of the installation, please contact Invision customer support.
- Weight Capacity: Do not exceed the maximum load capacity of 9kg (19.8lb) per arm. Exceeding this limit can result in serious injury or property damage.
- Monitor Size: This monitor arm is designed for screens between 19 and 32 inches.
- VESA Compatibility: Ensure your monitors are VESA compatible (75x75mm or 100x100mm).
- Desk Thickness: The desk clamp is suitable for desk thicknesses up to 90mm (3.5 inches).
- Proper Installation: Ensure the monitor arm is securely attached to a stable desk surface.
- Moving Parts: Keep hands and fingers clear of moving parts during adjustment.
- Gas Spring: The gas spring is under high pressure. Do not attempt to disassemble the gas spring cylinder.
3. Package Contents
Verify that all components are present and undamaged before proceeding with installation. If any parts are missing or damaged, please contact Invision customer support.

Image 3.1: All components included in the MX400 package.
List of Components:
- Main Pole with Base
- Dual Monitor Arms (2 units)
- VESA Plates (2 units)
- Desk Clamp Assembly
- Grommet Mount Assembly
- Hardware Kit (screws, washers, spacers for VESA mounting)
- Tools (Hex keys)
- Cable Management Clips
4. Setup and Installation
The Invision MX400 offers two installation options: Desk Clamp or Grommet Mount. Choose the method best suited for your desk.
4.1. Desk Clamp Installation
- Assemble the desk clamp to the main pole base. Ensure the clamp is oriented correctly for your desk edge.
- Position the monitor arm base on your desk and tighten the clamp securely. Ensure it is stable and does not wobble.

Image 4.1: Securely attaching the desk clamp to the desktop.
4.2. Grommet Mount Installation (Optional)
- If your desk has a grommet hole, disassemble the desk clamp and attach the grommet mount plate to the main pole base.
- Insert the pole through the grommet hole and secure it from underneath the desk using the provided plate and knob.

Image 4.2: Both desk clamp and grommet mount options for stability.
4.3. Attaching VESA Plates to Monitors
- Carefully place your monitor face down on a soft, clean surface.
- Align the VESA plate with the mounting holes on the back of your monitor (75x75mm or 100x100mm).
- Secure the VESA plate using the appropriate screws and washers from the hardware kit. Do not overtighten.

Image 4.3: Attaching the VESA plate to the monitor's mounting holes.
4.4. Mounting Monitors to Arms
- With assistance, carefully lift each monitor and slide the VESA plate onto the monitor arm's mounting head.
- Ensure the monitor is securely seated on the arm.
4.5. Cable Management
Route your monitor cables through the integrated cable management channels on the arms. This helps maintain a tidy and organized workspace.

Image 4.4: Utilizing the integrated cable management for a clean setup.
5. Operating and Adjustments
The Invision MX400 offers a wide range of adjustments to achieve your optimal viewing experience.
5.1. Gas Spring Tension Adjustment
The gas spring tension needs to be adjusted to match the weight of your monitor. This ensures the monitor stays in position and moves smoothly.
- If the monitor sags or falls, turn the adjustment screw (located on the arm) clockwise to increase tension.
- If the monitor floats up or is difficult to push down, turn the adjustment screw counter-clockwise to decrease tension.
- Adjust until the monitor holds its position freely at any height.

Image 5.1: Adjusting the gas spring tension with a hex key.
5.2. Monitor Positioning
- Height Adjustment: Gently push or pull the monitor to the desired vertical position.
- Tilt: Tilt the monitor screen up or down (+85°/-30°) to reduce glare and optimize viewing angles.
- Swivel: Swivel the monitor left or right (180°) to share your screen or change orientation.
- Rotation: Rotate the monitor 360° from landscape to portrait mode.
- Extension: Extend or retract the arm (up to 530mm) to achieve the ideal viewing distance.

Image 5.2: An example of an ergonomic workspace utilizing the MX400 monitor arm.
6. Maintenance
Regular maintenance ensures the longevity and optimal performance of your Invision MX400 monitor arm.
- Cleaning: Wipe the monitor arm with a soft, damp cloth. Avoid abrasive cleaners or solvents.
- Periodic Checks: Periodically check all screws and connections to ensure they are tight and secure. Retighten if necessary.
- Gas Spring: The gas spring is maintenance-free. Do not attempt to lubricate or open it.
7. Troubleshooting
If you encounter any issues with your Invision MX400, refer to the following common problems and solutions.
- Monitor Sags or Does Not Hold Position:
This indicates the gas spring tension is too low for the monitor's weight. Increase the gas spring tension by turning the adjustment screw clockwise (refer to Section 5.1). - Monitor Floats Up or is Difficult to Push Down:
This indicates the gas spring tension is too high for the monitor's weight. Decrease the gas spring tension by turning the adjustment screw counter-clockwise (refer to Section 5.1). - Arm is Loose or Wobbly:
Ensure the desk clamp or grommet mount is securely tightened to the desk. Check all connection points on the arm for tightness. - Monitor Does Not Fit VESA Plate:
Verify your monitor's VESA pattern (75x75mm or 100x100mm) matches the arm's compatibility.
If these solutions do not resolve the issue, please contact Invision customer support for further assistance.
8. Specifications

Image 8.1: Technical specifications and dimensions of the MX400.
| Feature | Specification |
|---|---|
| Model Number | MX400 |
| Screen Size Compatibility | 19" - 32" (48cm - 81cm) |
| Load Capacity (each arm) | 2kg - 9kg (4.4lb - 19.8lb) |
| VESA Compatibility | 75mm x 75mm, 100mm x 100mm |
| Maximum Height Elevation | 400mm (15.7") [Center of front plate] |
| Maximum Reach/Extension | 530mm (20.8") |
| Vertical Tilt Angle | +85° / -30° |
| Swivel | 180° |
| Rotation | 360° |
| Desk Thickness (Clamp) | Max. 90mm (3.5") |
| Material | Lower arm: Aluminum Alloy, Upper arm: SPCC |
| Color | Black |
9. Warranty and Support
9.1. Warranty Information
The Invision MX400 Dual Monitor Arm comes with a 2-year warranty. All parts are covered by the Invision Product Warranty, ensuring peace of mind regarding the quality and durability of your purchase.
9.2. Customer Support
For any questions, technical assistance, or warranty claims, please contact Invision customer support. Our team of experts is dedicated to providing you with the best possible experience and finding the right solution for your needs.
Please refer to the official Invision website or your purchase documentation for specific contact details.
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