Anycubic Kobra S1 FDM 3D Printer

Fully enclosed CoreXY speed | 250×250×250mm build volume | 320°C hotend | AI print monitoring | Ultra-quiet 44dB operation

Quick Specs

• Print large, detailed models with a generous 250×250×250mm build volume inside a fully enclosed CoreXY chamber.


• Achieve fast, precise results with a recommended print speed of 300 mm/s and acceleration up to 10,000 mm/s².


• Enjoy ultra-quiet operation at as low as 44dB in Quiet mode — print overnight without disturbing the household.


• Tackle a wide range of materials including PLA, PETG, TPU, ABS, and ASA with a 320°C capable hotend.


• Print with confidence thanks to AI Spaghetti Detection, filament runout sensing, and power loss recovery.

Serious 3D Printing, Without the Fuss

The Anycubic Kobra S1 is a fully enclosed CoreXY FDM 3D printer built for makers, hobbyists, and professionals who want fast, reliable results without constantly babysitting their machine. Powered by Kobra OS and packed with smart automation features, it brings high-speed printing, broad material compatibility, and intelligent print monitoring together in a single, capable package.

Speed and Precision Locked In by CoreXY

Tired of watching slow, lumbering printers grind through complex models? The Kobra S1's CoreXY construction, driven by linear rod motion on both X and Y axes and a single-motor three-pole Z-axis, delivers smooth, stable movement at a recommended 300 mm/s — with a maximum ceiling of 600 mm/s and up to 20,000 mm/s² acceleration. Pressure advance and flow calibration are built in, so what comes off the bed reflects what you designed, not what the printer could manage.

A Hotend That Handles What You Throw at It

With a maximum nozzle temperature of 320°C and a PEI spring steel heated bed reaching up to 120°C, the Kobra S1 supports a broad material roster — PLA, PETG, TPU, ABS, and ASA — without requiring an upgrade. The standard 0.4mm nozzle handles everyday printing, while compatibility with 0.6mm and 0.8mm nozzles gives you flexibility for faster, rougher or more detail-focused work. The source material notes the hotend is designed for easy disassembly and clog-free performance.

Smart Monitoring Keeps Your Prints Safe

The Kobra S1 watches over every job so you don't have to. AI Spaghetti Detection spots failed prints early and can halt the job before filament becomes a tangled mess. Filament runout detection pauses the print and waits for you to reload, filament entanglement detection flags spool issues before they cause a failure, and power loss resume picks up exactly where it left off after an unexpected outage. A built-in HD camera supporting 480P video monitoring means you can check in remotely via the Anycubic APP over Wi-Fi. LeviQ3.0 auto-levelling and Z-Offset adjustment handle bed calibration automatically, and object-skip with area levelling adds further precision control.

Quiet, Connected, and Easy to Control

At as low as 44dB in Quiet mode, the Kobra S1 is considerate of its surroundings — a real advantage when printing long overnight jobs. The 4.3-inch capacitive touchscreen gives you direct, responsive control on the printer itself, while slicing software, the Anycubic APP, and USB connectivity round out your options. The interface supports nine languages, making it accessible whether you're setting it up for the first time or handing it to a colleague.

Features

• Fully enclosed CoreXY construction with a 250×250×250mm build volume for large, dimensionally accurate prints.


• Recommended print speed of 300 mm/s and maximum of 600 mm/s, with acceleration up to 20,000 mm/s².


• 320°C maximum nozzle temperature supports PLA, PETG, TPU, ABS, and ASA filaments.


• Standard 0.4mm nozzle, expandable to 0.6mm or 0.8mm for versatile output options.


• PEI spring steel heated bed reaches up to 120°C for reliable adhesion across material types.


• LeviQ3.0 auto-levelling with Z-Offset and object-skip area levelling for consistent first layers.


• AI Spaghetti Detection, filament runout detection, filament entanglement detection, and power loss resume for worry-free printing.


• Built-in HD camera (480P) for remote monitoring via the Anycubic APP over Wi-Fi.


• Ultra-quiet operation at ≤44dB in Quiet mode and ≤46dB in Standard mode.


• 4.3-inch capacitive touchscreen with nine-language support; controllable via printer, slicing software, Anycubic APP, or USB.

Specifications

• Printer Technology: FDM (Fused Deposition Modeling)


• Printing Volume: 250*250*250mm³


• Max Printing Speed: Recommended 300 mm/s; Maximum 600 mm/s


• Acceleration: Recommended 10,000 mm/s²; Maximum 20,000 mm/s²


• Multicolor Printing: Sold separately


• Supporting Filaments: PLA, PETG, TPU, ABS, ASA


• Active Drying: Not Supported


• Nozzle Diameter: Standard 0.4 mm, expandable to 0.6 / 0.8 mm


• Max Nozzle Temperature: 320°C


• Hotbed Max Temperature: 120°C


• Hotbed Material: PEI spring steel build plate


• Firmware: Kobra OS


• Construction: CoreXY


• Extrusion Type: Short distance extrusion


• Motion System X-axis: Linear rods


• Motion System Y-axis: Linear rods


• Motion System Z-axis: Single motor with three guide poles


• Auto-Leveling: LeviQ3.0 Auto-leveling, Z-Offset


• Pressure Advance / Flow Calibration: true


• Power Loss Resume: true


• Filament Detection and Auto Resume: true


• Filament Entanglement Detection: true


• AI Spaghetti Detection: true


• Object-Skip and Area Leveling: true


• Control and Print Methods: Via printer, Slicing software, Anycubic APP, USB (print only)


• Touchscreen: 4.3-" capacitive touchscreen


• Noise Level: ≤46dB (Standard mode); ≤44dB (Quiet mode)


• Video Monitoring: Standard HD camera, supports 480P


• Multilingual Support: EN / CN / DE / FR / IT / ES / RU / JP / KO


• Connectivity: USB, Wi-Fi, Anycubic APP


• Machine Dimensions: 40 x 41 x 49 cm³


• Machine Weight: 9370g


• Warranty: 12 Months

What's in the Box

• Anycubic Kobra S1 Filament 3D Printer x1


• Spool Holder x1


• Screws M3×6 x2


• U-Disk x1


• Power Cord x1


• Hex Keys 2.5mm / 2.0mm / 1.5mm x1 set


• Filament Sample x1


• Activated Carbon x1


• Nozzle Cleaning Module x1


• Nozzle Silicone Part x1


• Nozzle Cleaner x1


• Grease x1

12 Months Warranty

Our products are covered by a manufacturer’s warranty ranging from 6 months up to a lifetime, subject to the specific item. For detailed warranty information, kindly enquire with our support team.

Reviews

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