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  3. S2 20W vs S2 Pro 36W

Acmer S2 20W vs Acmer S2 Pro 36W

What S2 20W does better (1) and where S2 Pro 36W wins (5) — every spec side by side.

Acmer S2 20W
Acmer · 2025S2 20W
6.4Score
1 advantage≈ US$320
vs
Acmer S2 Pro 36W
Acmer · 2025S2 Pro 36W
7.6Score
5 advantages≈ US$580
Higher score
7.7Power & cutting8.6
3.4Speed6.2
8.7Precision5.0
4.8Work area7.8
3.2Safety3.2
5.7Features & ease of use5.7

Why is S2 20W better than S2 Pro 36W?

  1. Laser spot size0.06 mm vs 0.1 mm+67%

Why is S2 Pro 36W better than S2 20W?

  1. Max engraving / travel speed167 mm/s vs 400 mm/s2.4×
  2. Laser output power20 W vs 36 W+80%
  3. Work area (surface)900 cm² vs 1,600 cm²+78%
  4. Work area width (X)300 mm vs 400 mm+33%
  5. Work area depth (Y)300 mm vs 400 mm+33%
Specifications

Side by side

Acmer S2 20WAcmer S2 20W≈ US$3206.4
Acmer S2 Pro 36WAcmer S2 Pro 36W≈ US$5807.6
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 W36 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
Speed & cutting
Max engraving / travel speed167 mm/s400 mm/s
Precision
Laser spot size0.06 mm0.1 mm
Linear rails—Yes
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYesYes
Connectivity & software
Compatible softwareLightBurnLightBurn
LightBurn compatibleYesYes
Size & power
Width490 mm—
Depth500 mm—
Height195 mm—
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