Kobra S1 ACE 2 Pro Combo vs Original Prusa MK4S 3D Printer kit

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Kobra S1 ACE 2 Pro Combo and Original Prusa MK4S 3D Printer kit are two fused filament fabrication (fff/fdm) in a similar class. Choose Kobra S1 ACE 2 Pro Combo if price matters more; choose Original Prusa MK4S 3D Printer kit if price matters more.

Parameter
Identity
Launch year 2026 2025
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) 599 € 819 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 40 × 41 × 49 cm 50 × 55 × 40 cm
Weight (kg) 21.7 kg 7 kg
Work area (mm) 250 × 250 mm 250 × 210 mm
Z-axis height (mm) 250 mm 220 mm
Power (W) 1300 W 240 W
Voltage (V) 230 V
Maximum speed 600 mm/s 500 mm/s
Declared precision 0.1 mm
Category specs
XY print surface (mm) 250 mm 250 mm
Maximum Z height (mm) 250 mm 220 mm
Kinematics corexy cartesian
Max nozzle temperature (°C) 320 °C 290 °C
Max bed temperature (°C) 120 °C 120 °C
Max print speed (mm/s) 600 mm/s 500 mm/s
Closed chamber True False
Filament sensor True True
Auto leveling mesh mesh
Standard nozzle diameter (mm) 0.4 mm 0.4 mm
Multi-extruder False False
Native Klipper True False
Input shaper True True
Multicolor printing true True
Requires external accessory false True
Maximum colors 8 5
Ecosystem
Cloud dependency No No
Software notes Compatible with the main slicers on the market. It supports cloud connectivity via the Anycubic app and Wi-Fi for remote monitoring, while still allowing offline use via USB. The MK4S runs proprietary Prusa firmware based on Marlin, not GRBL. It is managed through PrusaSlicer (with over 180 official profiles included), Simplify3D, or Cura with community profiles. Files are loaded via USB, local network, or PrusaConnect and the Prusa mobile app; it is not compatible with LightBurn or LaserGRBL, being a filament printer. The machine can run fully offline with no cloud dependency, and receives regular firmware updates along with pre-tuned profiles for Prusament materials.

The differences that matter

  • Price: Kobra S1 ACE 2 Pro Combo 599 € vs Original Prusa MK4S 3D Printer kit 819 € — Kobra S1 ACE 2 Pro Combo wins (+37%)
  • Closed chamber: Kobra S1 ACE 2 Pro Combo yes, Original Prusa MK4S 3D Printer kit no
  • Maximum colors: Kobra S1 ACE 2 Pro Combo 8 vs Original Prusa MK4S 3D Printer kit 5 — Kobra S1 ACE 2 Pro Combo wins (+60%)
  • Native Klipper: Kobra S1 ACE 2 Pro Combo yes, Original Prusa MK4S 3D Printer kit no
  • Requires external accessory: Original Prusa MK4S 3D Printer kit yes, Kobra S1 ACE 2 Pro Combo no

Which one to choose

Choose Kobra S1 ACE 2 Pro Combo if…

you value price, closed chamber and maximum colors.

See the Kobra S1 ACE 2 Pro Combo sheet →

Choose Original Prusa MK4S 3D Printer kit if…

it shows no measurable advantage over Kobra S1 ACE 2 Pro Combo on the available specs: consider it on price or availability.

See the Original Prusa MK4S 3D Printer kit sheet →

MakerSpecs is an independent atlas. We don't sell products: this comparison links to both sheets, where you'll find complete data and official links.