Kobra S1 Max Combo vs Neptune 4 Max

Technical comparison · Fused filament fabrication (FFF/FDM)

In brief

Kobra S1 Max Combo and Neptune 4 Max are two fused filament fabrication (fff/fdm) in a similar class. Choose Kobra S1 Max Combo if maximum colors and closed chamber matters more; choose Neptune 4 Max if price matters more. On the category's overall technical index, Kobra S1 Max Combo scores 55/100 against 40/100 for Neptune 4 Max.

Parameter
Elegoo Neptune 4 Max Neptune 4 Max Elegoo F2 · Intermediate
Identity
Launch year 2025 2023
Use tier F2 — Intermediate F2 — Intermediate
Price
Price (€) ~799–1099 € 549 €
Price updated on 06/2026
Universal specs
Dimensions (W×D×H) (cm) 50.27 × 48.3 × 58.4 cm 65.8 × 63.2 × 74 cm
Weight (kg) 18.1 kg
Work area (mm) 350 × 350 mm 420 × 420 mm
Z-axis height (mm) 350 mm 480 mm
Power (W) 2200 W
Voltage (V) 220 V
Maximum speed 600 mm/s 500 mm/s
Declared precision 0.05 mm 0.1 mm
Category specs
XY print surface (mm) 350 mm 420 mm
Maximum Z height (mm) 350 mm 480 mm
Kinematics corexy cartesian
Max nozzle temperature (°C) 350 °C 300 °C
Max bed temperature (°C) 120 °C 85 °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 False True
Input shaper True True
Multicolor printing True False
Requires external accessory True False
Maximum colors 4 1
Ecosystem
Cloud dependency No No
Software notes The firmware runs on a proprietary Kobra OS layer built on top of Klipper; the official slicer is Anycubic Slicer Next, derived from OrcaSlicer, available for Windows and macOS. Third-party OrcaSlicer is also supported. Remote monitoring and control are available via the Anycubic app (iOS/Android) over LAN, with no mandatory cloud connection required for core printing functions. The system relies on an open ecosystem thanks to the motherboard with pre-installed Klipper. Users can manage the machine both through the 4.3-inch capacitive touchscreen interface and via local network using the integrated web interface (Fluidd). Elegoo provides its own customized version of the Cura slicer, but the printer remains fully compatible with most third-party slicers such as PrusaSlicer, OrcaSlicer, and Simplify3D. Native support for Wi-Fi and LAN connectivity facilitates sending and monitoring G-code files without the need for physical media.

The differences that matter

  • Price: Kobra S1 Max Combo 949 € vs Neptune 4 Max 549 € — Neptune 4 Max wins (+73%)
  • Maximum colors: Kobra S1 Max Combo 4 vs Neptune 4 Max 1 — Kobra S1 Max Combo wins (+300%)
  • Closed chamber: Kobra S1 Max Combo yes, Neptune 4 Max no
  • Work area: Kobra S1 Max Combo 350×350 mm vs Neptune 4 Max 420×420 mm — Neptune 4 Max wins (+44%)
  • Maximum Z height: Kobra S1 Max Combo 350 mm vs Neptune 4 Max 480 mm — Neptune 4 Max wins (+37%)

Which one to choose

Choose Kobra S1 Max Combo if…

you value maximum colors, closed chamber and multicolor printing. «The maximum number of colors indicates how many distinct color zones or materials can be used in one print without manual intervention. Two colors cover most practical uses, including soluble support. Higher values are useful for complex decorative models or color-coded prototypes. Each additional color increases print time due to transition purges, so the practical benefit should be weighed against the added time cost.»

See the Kobra S1 Max Combo sheet →

Choose Neptune 4 Max if…

you value price, work area and maximum z height. «The Z height determines how tall a part the machine can produce in one print. Vertical objects such as vases, load-bearing structures, or casting patterns require a high Z travel. A lower value does not affect quality but forces the user to split or reorient the model. Z height should be considered alongside the XY surface to assess total usable build volume.»

See the Neptune 4 Max 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.