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- A20 Pro V2 vs LE-4040 Pro 20W
AtomStack A20 Pro V2 vs FoxAlien LE-4040 Pro 20W
What A20 Pro V2 does better (4) and where LE-4040 Pro 20W wins (2) — every spec side by side.
vs
7.3Power & cutting7.7
4.7Precision2.5
6.5Work area6.7
6.4Safety3.2
7.4Features & ease of use2.7
Dimensions
Size comparison
A20 Pro V2LE-4040 Pro 20W
| A20 Pro V2 | LE-4040 Pro 20W | Difference | |
|---|---|---|---|
| Height | 178 mm | 230 mm | −52 mm |
| Width | 178 mm | 640 mm | −462 mm |
| Depth | 254 mm | 580 mm | −326 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is A20 Pro V2 better than LE-4040 Pro 20W?
- Positioning accuracy0.02 mm vs 0.1 mm5×
- Air assistYes · LE-4040 Pro 20W: No
- Flame / fire detectionYes · LE-4040 Pro 20W: No
- Wi-FiYes · LE-4040 Pro 20W: No
Why is LE-4040 Pro 20W better than A20 Pro V2?
- Work area (surface)1,460 cm² vs 1,600 cm²+10%
- Work area depth (Y)365 mm vs 400 mm+10%
Specifications
Side by side
| General | ||
| Laser sources | Blue diode (≈455 nm) | Blue diode (≈455 nm) |
| Motion system | Gantry (XY rails) | Gantry (XY rails) |
| Two laser sources | No | No |
| Wavelength | 455 nm | — |
| Laser power | ||
| Laser output power | 20 W | 20 W |
| Work area | ||
| Work area | 400 × 365 mm | 400 × 400 mm |
| Work area width (X) | 400 mm | 400 mm |
| Work area depth (Y) | 365 mm | 400 mm |
| Work area (surface) | 1,460 cm² | 1,600 cm² |
| Max workpiece height | — | 30 mm |
| Speed & cutting | ||
| Max engraving / travel speed | 400 mm/s | — |
| Max cutting depth – wood / plywood (one pass) | 17 mm | — |
| Max cutting depth – acrylic | 15 mm | — |
| Precision | ||
| Laser spot size | 0.1 mm | — |
| Positioning accuracy | 0.02 mm | 0.1 mm |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | Yes | No |
| Features | ||
| Air assist | Yes | No |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | USB |
| Wi-Fi | Yes | No |
| USB | Yes | Yes |
| Compatible software | LightBurn, LaserGRBL, AtomStack Studio | LightBurn, LaserGRBL, Candle |
| LightBurn compatible | Yes | Yes |
| File formats | JPG, SVG, PNG, BMP, PDF, G-code, DXF | — |
| Size & power | ||
| Width | 178 mm | 640 mm |
| Depth | 254 mm | 580 mm |
| Height | 178 mm | 230 mm |
| Weight | 6 kg | — |
| Rated power consumption | 120 W | — |
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