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- A20 Pro V2 vs Ray7S 15W
AtomStack A20 Pro V2 vs Longer Ray7S 15W
What A20 Pro V2 does better (5) and where Ray7S 15W wins (3) — every spec side by side.
vs
7.3Power & cutting7.0
6.1Speed8.0
4.7Precision8.7
6.5Work area5.3
6.4Safety8.3
7.4Features & ease of use6.9
Why is A20 Pro V2 better than Ray7S 15W?
- Work area (surface)1,460 cm² vs 946 cm²+54%
- Laser output power20 W vs 15 W+33%
- Flame / fire detectionYes · Ray7S 15W: No
- Work area width (X)400 mm vs 305 mm+31%
- Work area depth (Y)365 mm vs 310 mm+18%
Why is Ray7S 15W better than A20 Pro V2?
- Enclosed (fully covered)No · A20 Pro V2: Yes
- Laser spot size0.1 mm vs 0.06 mm+67%
- Max engraving / travel speed400 mm/s vs 600 mm/s+50%
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 | 15 W |
| Work area | ||
| Work area | 400 × 365 mm | 305 × 310 mm |
| Work area width (X) | 400 mm | 305 mm |
| Work area depth (Y) | 365 mm | 310 mm |
| Work area (surface) | 1,460 cm² | 946 cm² |
| Speed & cutting | ||
| Max engraving / travel speed | 400 mm/s | 600 mm/s |
| Max cutting depth – wood / plywood (one pass) | 17 mm | — |
| Max cutting depth – acrylic | 15 mm | — |
| Precision | ||
| Laser spot size | 0.1 mm | 0.06 mm |
| Positioning accuracy | 0.02 mm | — |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | Yes | No |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | — |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Connections | USB, Wi-Fi | Wi-Fi |
| Wi-Fi | Yes | Yes |
| USB | Yes | — |
| Compatible software | LightBurn, LaserGRBL, AtomStack Studio | — |
| LightBurn compatible | Yes | — |
| File formats | JPG, SVG, PNG, BMP, PDF, G-code, DXF | — |
| Size & power | ||
| Width | 178 mm | — |
| Depth | 254 mm | — |
| Height | 178 mm | — |
| Weight | 6 kg | — |
| Rated power consumption | 120 W | — |
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