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  3. K1 Pro Max 48W vs SF-A9 20W

Ikier K1 Pro Max 48W vs Sculpfun SF-A9 20W

What K1 Pro Max 48W does better (7) and where SF-A9 20W wins (2) — every spec side by side.

Ikier K1 Pro Max 48W
Ikier · 2023K1 Pro Max 48W
9.3Score
7 advantages≈ US$440
Higher score
vs
Sculpfun SF-A9 20W
Sculpfun · 2023SF-A9 20W
8.4Score
2 advantages≈ US$500
9.3Power & cutting8.1
9.4Speed8.0
3.8Precision5.0
8.5Work area7.7
6.7Safety7.1
7.9Features & ease of use7.4
Dimensions

Size comparison

K1 Pro Max 48WSF-A9 20W
780 × 153500606 × 110665
K1 Pro Max 48WSF-A9 20WDifference
Height153 mm110 mm+43 mm
Width780 mm606 mm+174 mm
Depth500 mm665 mm−165 mm
Weight12 kg6.2 kg+5.8 kg

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

Why is K1 Pro Max 48W better than SF-A9 20W?

  1. Laser output power48 W vs 20 W2.4×
  2. Max engraving / travel speed900 mm/s vs 600 mm/s+50%
  3. Max cutting depth – wood / plywood (one pass)30 mm vs 20 mm+50%
  4. Autofocus / auto heightYes · SF-A9 20W: No
  5. Work area (surface)1,681 cm² vs 1,600 cm²+5%
  6. Work area width (X)410 mm vs 400 mm+2%
  7. Work area depth (Y)410 mm vs 400 mm+2%

Why is SF-A9 20W better than K1 Pro Max 48W?

  1. Laser spot size0.2 mm vs 0.1 mm2×
  2. Weight12 kg vs 6.2 kg+94%
Specifications

Side by side

Sculpfun SF-A9 20WSculpfun SF-A9 20W≈ US$5008.4
General
Laser sourcesBlue diode (≈455 nm)Blue diode (≈455 nm)
Motion systemGantry (XY rails)Gantry (XY rails)
Two laser sourcesNoNo
Wavelength455 nm450 nm
Laser power
Laser output power48 W20 W
Work area
Work area410 × 410 mm400 × 400 mm
Work area width (X)410 mm400 mm
Work area depth (Y)410 mm400 mm
Work area (surface)1,681 cm²1,600 cm²
Speed & cutting
Max engraving / travel speed900 mm/s600 mm/s
Max cutting depth – wood / plywood (one pass)30 mm20 mm
Precision
Laser spot size0.2 mm0.1 mm
Positioning accuracy0.01 mm—
Linear railsYesYes
Safety
Enclosed (fully covered)NoNo
Flame / fire detectionYesYes
Emergency stop button—Yes
Tilt / movement sensorYesYes
Features
Air assistYesYes
Built-in cameraNoNo
Autofocus / auto heightYesNo
Rotary attachment supportYesYes
Touchscreen / control panelYes—
Offline engraving (no computer)Yes—
Connectivity & software
ConnectionsUSB, Wi-Fi, SD / USB driveUSB, Wi-Fi, Bluetooth
Wi-FiYesYes
USBYesYes
Bluetooth—Yes
SD / TF cardYes—
Compatible softwareLightBurn, LaserGRBLLightBurn, LaserGRBL
LightBurn compatibleYesYes
File formatsSVG, DXF, JPG, PNG, BMP, TIF—
Size & power
Width780 mm606 mm
Depth500 mm665 mm
Height153 mm110 mm
Weight12 kg6.2 kg
Input voltage100–240 V—
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