- Processing Talk
- Compare
- S2 Pro 36W vs Alpha MK2 Extended 20W
Acmer S2 Pro 36W vs Algolaser Alpha MK2 Extended 20W
What S2 Pro 36W does better (3) and where Alpha MK2 Extended 20W wins (3) — every spec side by side.
vs
8.6Power & cutting7.7
6.1Speed5.3
5.0Precision2.3
7.7Work area8.2
3.2Safety6.0
5.7Features & ease of use8.2
Why is S2 Pro 36W better than Alpha MK2 Extended 20W?
- Laser output power36 W vs 20 W+80%
- Laser spot size0.1 mm vs 0.175 mm+75%
- Max engraving / travel speed400 mm/s vs 333 mm/s+20%
Why is Alpha MK2 Extended 20W better than S2 Pro 36W?
- Built-in cameraNo · S2 Pro 36W: Yes
- Work area (surface)1,600 cm² vs 1,640 cm²+2%
- Work area depth (Y)400 mm vs 410 mm+2%
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 | — | 450 nm |
| Laser power | ||
| Laser output power | 36 W | 20 W |
| Work area | ||
| Work area | 400 × 400 mm | 400 × 410 mm |
| Work area width (X) | 400 mm | 400 mm |
| Work area depth (Y) | 400 mm | 410 mm |
| Work area (surface) | 1,600 cm² | 1,640 cm² |
| Work-area extension kit | — | Yes |
| Speed & cutting | ||
| Max engraving / travel speed | 400 mm/s | 333 mm/s |
| Precision | ||
| Laser spot size | 0.1 mm | 0.175 mm |
| Linear rails | Yes | — |
| Safety | ||
| Enclosed (fully covered) | No | No |
| Flame / fire detection | No | No |
| Emergency stop button | — | Yes |
| Built-in fume filter / purifier | — | Yes |
| Features | ||
| Air assist | Yes | Yes |
| Built-in camera | No | Yes |
| Autofocus / auto height | No | No |
| Rotary attachment support | Yes | Yes |
| Offline engraving (no computer) | — | Yes |
| Connectivity & software | ||
| Compatible software | LightBurn | LightBurn, LaserGRBL |
| LightBurn compatible | Yes | Yes |
| Size & power | ||
| Width | — | 650 mm |
| Depth | — | 730 mm |
| Height | — | 240 mm |
| Weight | — | 6.5 kg |
