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  3. S2 7W vs TS2 20W

Acmer S2 7W vs Two Trees TS2 20W

What S2 7W does better (0) and where TS2 20W wins (5) — every spec side by side.

Acmer S2 7W
Acmer · 2025S2 7W
5.4Score
0 advantages≈ US$180
vs
Two Trees TS2 20W
Two Trees · 2023TS2 20W
6.8Score
5 advantages≈ US$500
Higher score
4.4Power & cutting7.7
8.7Precision2.1
4.8Work area8.5
3.2Safety3.2
5.7Features & ease of use7.9

Why is S2 7W better than TS2 20W?

S2 7W has no measurable advantages in this pair.

Why is TS2 20W better than S2 7W?

  1. Laser output power7 W vs 20 W2.9×
  2. Work area (surface)900 cm² vs 1,681 cm²+87%
  3. Autofocus / auto heightNo · S2 7W: Yes
  4. Work area width (X)300 mm vs 410 mm+37%
  5. Work area depth (Y)300 mm vs 410 mm+37%
Specifications

Side by side

Acmer S2 7WAcmer S2 7W≈ US$1805.4
Two Trees TS2 20WTwo Trees TS2 20W≈ US$5006.8
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power7 W20 W
Work area
Work area300 × 300 mm410 × 410 mm
Work area width (X)300 mm410 mm
Work area depth (Y)300 mm410 mm
Work area (surface)900 cm²1,681 cm²
Work-area extension kit—Yes
Speed & cutting
Max engraving / travel speed167 mm/s—
Precision
Laser spot size0.06 mm—
Positioning accuracy—0.21 mm
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionNoNo
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoYes
Rotary attachment supportYesYes
Offline engraving (no computer)—Yes
Connectivity & software
Connections—USB, Wi-Fi, SD / USB drive
Wi-Fi—Yes
USB—Yes
SD / TF card—Yes
Phone app control—Yes
Compatible softwareLightBurnLightBurn, LaserGRBL
LightBurn compatibleYesYes
Size & power
Width490 mm—
Depth500 mm—
Height195 mm—
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