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  3. S2 20W vs Reizer 20W

Acmer S2 20W vs FoxAlien Reizer 20W

What S2 20W does better (1) and where Reizer 20W wins (3) — every spec side by side.

Acmer S2 20W
Acmer · 2025S2 20W
6.4Score
1 advantage≈ US$320
Higher score
vs
FoxAlien Reizer 20W
FoxAlien · 2021Reizer 20W
5.4Score
3 advantages≈ US$330
7.7Power & cutting7.7
8.7Precision2.5
4.8Work area6.7
3.2Safety3.2
5.7Features & ease of use2.2

Why is S2 20W better than Reizer 20W?

  1. Air assistYes · Reizer 20W: No

Why is Reizer 20W better than S2 20W?

  1. Work area (surface)900 cm² vs 1,600 cm²+78%
  2. Work area width (X)300 mm vs 400 mm+33%
  3. Work area depth (Y)300 mm vs 400 mm+33%
Specifications

Side by side

Acmer S2 20WAcmer S2 20W≈ US$3206.4
FoxAlien Reizer 20WFoxAlien Reizer 20W≈ US$3305.4
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power20 W20 W
Work area
Work area300 × 300 mm400 × 400 mm
Work area width (X)300 mm400 mm
Work area depth (Y)300 mm400 mm
Work area (surface)900 cm²1,600 cm²
Max workpiece height—30 mm
Speed & cutting
Max engraving / travel speed167 mm/s—
Precision
Laser spot size0.06 mm—
Positioning accuracy—0.1 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistYesNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYes—
Connectivity & software
Connections—USB
Wi-Fi—No
USB—Yes
Compatible softwareLightBurnLightBurn, LaserGRBL, Candle
LightBurn compatibleYesYes
Size & power
Width490 mm—
Depth500 mm—
Height195 mm—
To compare: 0up to 4 models
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