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  3. K1 12W vs S2 12W

Acmer K1 12W vs Acmer S2 12W

What K1 12W does better (1) and where S2 12W wins (4) — every spec side by side.

Acmer K1 12W
Acmer · 2025K1 12W
5.2Score
1 advantage≈ US$270
vs
Acmer S2 12W
Acmer · 2025S2 12W
6.2Score
4 advantages≈ US$215
Higher score
6.7Power & cutting6.7
3.5Speed3.5
4.0Precision8.7
3.9Work area4.8
9.6Safety3.2
2.9Features & ease of use5.7
Dimensions

Size comparison

K1 12WS2 12W
286 × 190273490 × 195500
K1 12WS2 12WDifference
Height190 mm195 mm−5 mm
Width286 mm490 mm−204 mm
Depth273 mm500 mm−227 mm

Drawn to the same scale from the official dimensions (front and side).

Why is K1 12W better than S2 12W?

  1. Enclosed (fully covered)Yes · S2 12W: No

Why is S2 12W better than K1 12W?

  1. Work area (surface)225 cm² vs 900 cm²4×
  2. Air assistNo · K1 12W: Yes
  3. Work area width (X)150 mm vs 300 mm2×
  4. Work area depth (Y)150 mm vs 300 mm2×
Specifications

Side by side

Acmer K1 12WAcmer K1 12W≈ US$2705.2
Acmer S2 12WAcmer S2 12W≈ US$2156.2
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power12 W12 W
Work area
Work area150 × 150 mm300 × 300 mm
Work area width (X)150 mm300 mm
Work area depth (Y)150 mm300 mm
Work area (surface)225 cm²900 cm²
Speed & cutting
Max engraving / travel speed167 mm/s167 mm/s
Precision
Laser spot size—0.06 mm
Positioning accuracy0.04 mm—
Safety
Enclosed (fully covered)YesNo
Flame / fire detectionNoNo
Features
Air assistNoYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment support—Yes
Connectivity & software
Compatible softwareLightBurnLightBurn
LightBurn compatibleYesYes
Size & power
Width286 mm490 mm
Depth273 mm500 mm
Height190 mm195 mm
Weight2.4 kg—
To compare: 0up to 4 models
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