AcmerDiode laser engraver
Acmer S2 4W
Acmer S2 4W is a diode laser engraver released in 2025. Key specs: laser sources Blue diode (≈455 nm), laser output power 4 W, work area 300 × 300 mm, max engraving / travel speed 167 mm/s.
4.9Score
Power & cutting2.9
Speed3.5
Precision8.7
Work area4.8
Safety3.2
Features & ease of use5.7
price rangeUS$125–155
- Year
- 2025
- Brand
Acmer- Popularity
- #139 of 406
Blue diode (≈455 nm)Laser sources
4 WLaser output power
300 × 300 mmWork area
167 mm/sMax engraving / travel speed
0.06 mmLaser spot size
NoEnclosed (fully covered)
Spec guide
How it ranks among diode laser engravers of 2025
Laser output power · 4 WBottom 12%
Max engraving / travel speed · 167 mm/sBottom 23%
Laser spot size · 0.06 mmTop 20%
Compared with diode laser engravers released in 2025. Bars show the share of models it beats.
compared with other diode laser engravers
Why is S2 4W a good choice?
Laser spot size: 0.06 mmbetter than 77% of diode laser engravers
Weak points
Laser output power: 4 Wworse than 88% of diode laser engravers
Max engraving / travel speed: 167 mm/sworse than 90% of diode laser engravers
Specifications
Full specifications
Laser power
- Laser output power
- 4 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
Speed & cutting
- Max engraving / travel speed
- 167 mm/s
Precision
- Laser spot size
- 0.06 mm
Safety
- Enclosed (fully covered)
- No
- Flame / fire detection
- No
Features
- Air assist
- Yes
- Built-in camera
- No
- Autofocus / auto height
- No
- Rotary attachment support
- Yes
Size & power
- Width
- 490 mm
- Depth
- 500 mm
- Height
- 195 mm
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
In collections
Laser engravers & CNC machines: Air assist + LightBurn compatible111Laser engravers & CNC machines: Air assist + rotary attachment support112Diode laser engravers: Rotary attachment support122Diode laser engravers: Air assist123Laser engravers & CNC machines — Laser sources: Blue diode (≈455 nm) + air assist125Laser engravers & CNC machines — Laser sources: Blue diode (≈455 nm) + rotary attachment support130Diode laser engravers: LightBurn compatible158Laser engravers & CNC machines — Rotary attachment support + Motion system: Gantry (XY rails)162
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