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  3. K1 3.5W vs LM2 S2 1.6W

Acmer K1 3.5W vs Ortur LM2 S2 1.6W

What K1 3.5W does better (2) and where LM2 S2 1.6W wins (0) — every spec side by side.

Acmer K1 3.5W
Acmer · 2025K1 3.5W
4.1Score
2 advantages≈ US$200
Higher score
vs
Ortur LM2 S2 1.6W
Ortur · 2023LM2 S2 1.6W
3.9Score
0 advantages≈ US$190
2.7Power & cutting3.5
9.6Safety4.9
2.9Features & ease of use2.7

Why is K1 3.5W better than LM2 S2 1.6W?

  1. Laser output power3.5 W vs 1.6 W2.2×
  2. Enclosed (fully covered)Yes · LM2 S2 1.6W: No

Why is LM2 S2 1.6W better than K1 3.5W?

LM2 S2 1.6W has no measurable advantages in this pair.

Specifications

Side by side

Acmer K1 3.5WAcmer K1 3.5W≈ US$2004.1
Ortur LM2 S2 1.6WOrtur LM2 S2 1.6W≈ US$1903.9
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power3.5 W1.6 W
Work area
Work area150 × 150 mm—
Work area width (X)150 mm—
Work area depth (Y)150 mm—
Work area (surface)225 cm²—
Speed & cutting
Max engraving / travel speed167 mm/s—
Max cutting depth – wood / plywood (one pass)—12 mm
Max cutting depth – acrylic—5 mm
Precision
Positioning accuracy0.04 mm—
Safety
Enclosed (fully covered)YesNo
Flame / fire detectionNoNo
Tilt / movement sensor—Yes
Features
Air assistNoNo
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment support—Yes
Connectivity & software
Connections—USB
Wi-Fi—No
USB—Yes
Compatible softwareLightBurnLightBurn
LightBurn compatibleYesYes
Size & power
Width286 mm—
Depth273 mm—
Height190 mm—
Weight2.4 kg—
To compare: 0up to 4 models
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