- Processing Talk
- Compare
- S2 20W vs Flex 12W
Acmer S2 20W vs Ikier Flex 12W
What S2 20W does better (1) and where Flex 12W wins (1) — every spec side by side.
Dimensions
Size comparison
S2 20WFlex 12W
| S2 20W | Flex 12W | Difference | |
|---|---|---|---|
| Height | 195 mm | 185 mm | +10 mm |
| Width | 490 mm | 265 mm | +225 mm |
| Depth | 500 mm | 303 mm | +197 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is S2 20W better than Flex 12W?
- Laser output power20 W vs 12 W+67%
Why is Flex 12W better than S2 20W?
- Enclosed (fully covered)No · S2 20W: Yes
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 |
| Laser power | ||
| Laser output power | 20 W | 12 W |
| Work area | ||
| Work area | 300 × 300 mm | — |
| Work area width (X) | 300 mm | — |
| Work area depth (Y) | 300 mm | — |
| Work area (surface) | 900 cm² | — |
| Max workpiece height | — | 50 mm |
| Speed & cutting | ||
| Max engraving / travel speed | 167 mm/s | 167 mm/s |
| Precision | ||
| Laser spot size | 0.06 mm | — |
| Positioning accuracy | — | 0.1 mm |
| Safety | ||
| Enclosed (fully covered) | No | Yes |
| Laser safety class | — | Class 1 (eye-safe, enclosed) |
| Flame / fire detection | No | No |
| Tilt / movement sensor | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | No |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | — |
| Connectivity & software | ||
| Connections | — | USB |
| Wi-Fi | — | No |
| USB | — | Yes |
| Compatible software | LightBurn | AtomStack Studio |
| LightBurn compatible | Yes | — |
| Size & power | ||
| Width | 490 mm | 265 mm |
| Depth | 500 mm | 303 mm |
| Height | 195 mm | 185 mm |
| Weight | — | 3 kg |









