21 Oct 2026Laser & CNC machines 406Brands 30Comparisons 1,278
PROCESSINGTALKlaser cutters, engravers & CNC routers
TrendingASCARVA 3S ▲Pronto 35 60W ▲GPro Vision Split MOPA 60W ▲Master 50WS2 Pro 36WPM 60WPRONAX ForgeHydra 9 Gen2 38WSwift
  1. Processing Talk
  2. Compare
  3. S2 Pro 48W vs Ray7S 40W

Acmer S2 Pro 48W vs Longer Ray7S 40W

What S2 Pro 48W does better (4) and where Ray7S 40W wins (3) — every spec side by side.

Acmer S2 Pro 48W
Acmer · 2025S2 Pro 48W
8.0Score
4 advantages≈ US$760
vs
Longer Ray7S 40W
Longer · 2026Ray7S 40W
9.1Score
3 advantages≈ US$850
Higher score
9.4Power & cutting9.0
6.1Speed8.0
5.0Precision8.7
7.7Work area5.3
3.2Safety8.3
5.7Features & ease of use6.9

Why is S2 Pro 48W better than Ray7S 40W?

  1. Work area (surface)1,600 cm² vs 946 cm²+69%
  2. Laser output power48 W vs 40 W+20%
  3. Work area width (X)400 mm vs 305 mm+31%
  4. Work area depth (Y)400 mm vs 310 mm+29%

Why is Ray7S 40W better than S2 Pro 48W?

  1. Enclosed (fully covered)No · S2 Pro 48W: Yes
  2. Laser spot size0.1 mm vs 0.06 mm+67%
  3. Max engraving / travel speed400 mm/s vs 600 mm/s+50%
Specifications

Side by side

Acmer S2 Pro 48WAcmer S2 Pro 48W≈ US$7608.0
Longer Ray7S 40WLonger Ray7S 40W≈ US$8509.1
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Laser power
Laser output power48 W40 W
Work area
Work area400 × 400 mm305 × 310 mm
Work area width (X)400 mm305 mm
Work area depth (Y)400 mm310 mm
Work area (surface)1,600 cm²946 cm²
Speed & cutting
Max engraving / travel speed400 mm/s600 mm/s
Precision
Laser spot size0.1 mm0.06 mm
Linear railsYes—
Safety
Enclosed (fully covered)NoYes
Laser safety class—Class 1 (eye-safe, enclosed)
Flame / fire detectionNoNo
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightNoNo
Rotary attachment supportYes—
Offline engraving (no computer)—Yes
Connectivity & software
Connections—Wi-Fi
Wi-Fi—Yes
Compatible softwareLightBurn—
LightBurn compatibleYes—
To compare: 0up to 4 models
Compare