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Anycubic Kobra S1 ACE 2 Pro Combo vs Qidi Tech Max4

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

These two FDM printers aren't aimed at the same budget: the Kobra S1 ACE 2 Pro Combo costs €599, the Max4 goes up to €1049. The comparison makes sense for figuring out how much investment is needed, not for picking between equivalent machines - anyone printing everyday objects is already covered by the Kobra, anyone working on large or batch parts should look at the Max4.

Parameter
Identity
Launch year 2026 2026
Use tier F2 — Intermediate F4 — Semi-professional
Price
Price (€) 599 € 1049 €
Price updated on 06/2026 —
Universal specs
Dimensions (W×D×H) (cm) 40 × 41 × 49 cm 55.8 × 57.8 × 61.2 cm
Weight (kg) 21.7 kg 40 kg
Work area (mm) 250 × 250 mm 390 × 390 mm
Z-axis height (mm) 250 mm 340 mm
Power (W) 1300 W —
Maximum speed 600 mm/s 800 mm/s
Declared precision 0.1 mm —
Category specs
Footprint X×Y (short side) (mm) 250 mm 390 mm
Build height Z (mm) 250 mm 340 mm
Kinematics CoreXY CoreXY
Max nozzle temperature (°C) 320 °C 370 °C
Max bed temperature (°C) 120 °C 120 °C
Max print speed (mm/s) 600 mm/s 800 mm/s
Enclosed chamber Yes Yes
Filament sensor Yes Yes
Auto bed leveling Mesh Mesh
Standard nozzle diameter (mm) 0.4 mm —
Multi-extruder No No
Native Klipper Yes Yes
Input shaper Yes Yes
Multicolor printing Yes Yes
Multicolor requires accessory No Yes
Max colors 8 16
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 machine natively runs on Klipper firmware, offering comprehensive control and high computational speed for advanced features like input shaping. The user interface is managed locally via a large 5-inch touchscreen. Remote monitoring is facilitated by the integrated 1080p AI webcam with error detection for extrusion failures. For slicing, the manufacturer provides QIDI Studio, a software derived from PrusaSlicer/Bambu Studio, specifically optimized for high-temperature material profiles. Users can also access the Fluidd web interface for advanced control over the printer parameters and print offline via a USB drive or through the local network.

The differences that matter

  • Print bed: 250×250 mm on the Kobra, 390×390 mm on the Max4 — the Max4 prints parts that won't fit on the Kobra's plate.
  • Z height: 250 mm versus 340 mm — relevant for tall vertical prints.
  • Price: €599 for the Kobra, €1049 for the Max4 — €450 more for the bigger bed and the higher speed.
  • Rated max speed: 600 mm/s on the Kobra, 800 mm/s on the Max4 — useful only on long, continuous print runs.

Which one to choose

Choose Kobra S1 ACE 2 Pro Combo if…

Anyone needing a compact bed (250×250 mm) and a budget under €600 gets an enclosed chamber, a filament sensor, and basic multicolor already included with the Kobra S1 ACE 2 Pro Combo, with no extra accessories.

See the Kobra S1 ACE 2 Pro Combo sheet →

Choose Max4 if…

Anyone printing bulky parts benefits from the Max4's 390×390 mm bed and 340 mm of Z height, with a rated speed of up to 800 mm/s and native 16-color handling. The investment is nearly double the Kobra's, and it only makes sense for continuous printing on large parts.

See the Max4 sheet →

Where to buy

Paid link: the price for you does not change. Methodology

Filaments for these printers

The most chosen spools among the materials both printers can print according to their specifications.

All filaments →

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MakerSpecs is an independent atlas. We don't sell products: the purchase links are the same as on the two product sheets and don't influence the verdict. The sheets have the complete data.