Overview
The Ergotron 45-690-292 LX Pro Dual Stacking Arm is a matte black desk-mounted monitor arm designed to support two displays in stacked or flexible multi-monitor arrangements. Its tall 12-inch pole, articulated arms, Constant Force™ movement technology, and independent monitor positioning provide a practical solution when vertical screen placement is preferred.
Dual-Monitor Support
Each arm supports a monitor weighing from 4 to 22 lb (1.8 to 10 kg), with a combined monitor capacity of 8 to 44 lb (3.6 to 20 kg). The display size is typically up to 27 inches, although Ergotron notes that larger displays may be supported when the weight remains within capacity. For stacked installations, the maximum outside height of each display should not exceed 14.7 inches (37 cm).
Adjustment and Positioning
The LX Pro Dual Stacking Arm provides 13 inches (33 cm) of lift and a 70° backward / 15° forward tilt range. The articulated system provides up to 360° overall side-to-side panning, with 180° movement available at the arm-to-pivot point. A built-in rotation stop can restrict movement at the base/extension point to 180° when additional clearance control is required.
Mounting and Compatibility
The 45-690-292 uses a two-piece desk clamp for surfaces measuring 0.4 to 2.4 inches (10 to 60 mm) thick. Monitor attachment uses VESA FDMI MIS-D patterns with 75 x 75 mm and 100 x 100 mm mounting holes. Maximum extension is up to 25 inches (64 cm).
Key Features
- Dual-monitor LX Pro stacking configuration with tall 12-inch pole
- Supports 4–22 lb (1.8–10 kg) per monitor and 8–44 lb (3.6–20 kg) total
- 13-inch (33 cm) lift with 70° backward and 15° forward tilt
- Up to 25 inches (64 cm) of extension and flexible 360° overall panning
- VESA 75 x 75 mm and 100 x 100 mm compatibility with built-in rotation stop
Applications
The vertical stacking arrangement is suited to workstations where two displays need to occupy less desk width. It can be used for monitoring, coding, document review, trading-style workflows, and other multi-screen desktop setups where independent display positioning is useful.
DC Supplies Product Note
Before installation, verify both monitor weights and the physical dimensions of the displays. Each monitor must fall within the 4–22 lb capacity range, while stacked installations also need to remain within the stated 14.7-inch maximum outside display height for the stacking arrangement.
Specifications
| Specification | Details |
|---|
| Brand | Ergotron |
| Part Number / MPN | 45-690-292 |
| Product Type | Dual Monitor Desk Mount Arm |
| Series | LX Pro |
| Configuration | Dual Stacking |
| Color | Matte Black |
| Number of Displays | 2 |
| Typical Display Size | Up to 27 inches |
| Individual Monitor Capacity | 4–22 lb (1.8–10 kg) |
| Total Monitor Capacity | 8–44 lb (3.6–20 kg) |
| Lift | 13 inches (33 cm) |
| Tilt Range | 70° backward / 15° forward |
| Overall Side-to-Side Pan | 360° |
| Arm-to-Pivot Pan | 180° |
| Monitor Rotation | 360° |
| Maximum Extension | 25 inches (64 cm) |
| VESA Standard | MIS-D, 100/75 C |
| VESA Mounting Patterns | 100 x 100 mm and 75 x 75 mm |
| Desk Clamp Range | 0.4–2.4 inches (10–60 mm) |
| Pole Height | 12 inches |
| Construction | Aluminum |
| Product Weight | 7.3 kg (16.1 lb) |
| Warranty | 10 years |
| GTIN | 00698833091724 |
Frequently Asked Questions
How many monitors does the Ergotron 45-690-292 support?
The LX Pro Dual Stacking Arm supports two monitors.
What is the weight capacity of each arm?
Each arm supports a monitor weighing 4–22 lb (1.8–10 kg), with a total monitor capacity of 44 lb (20 kg).
What VESA patterns are supported?
The arm supports VESA FDMI MIS-D mounting patterns of 75 x 75 mm and 100 x 100 mm.
How thick can the desk be for the standard clamp?
The two-piece desk clamp attaches to desk surfaces from 0.4 to 2.4 inches (10–60 mm) thick.
Can the monitors be positioned independently?
Yes. The two articulated arms allow the displays to be positioned separately, with adjustable tilt, pan, rotation, and extension.
What is included with the 45-690-292?
The package includes two arms, two extensions, two monitor pivots, a two-piece desk clamp, large base, 12-inch pole, two pole collars, and attachment hardware.
