Large-Format Single-Nozzle 3D Printer

Bambu Lab H2S

A professional large-format CoreXY 3D printer designed for high-speed, high-precision single-nozzle manufacturing. The H2S combines a spacious 340 × 320 × 340 mm build volume, 350°C high-temperature hotend, 65°C actively heated chamber, closed-loop servo extrusion and intelligent print monitoring in a robust enclosed platform.

340 × 320 × 340 mm

Large-format build volume

1000 mm/s

Maximum toolhead speed

350°C

Maximum nozzle temperature

65°C

Active chamber heating

Why Choose H2S

Large-Format Printing without Dual-Nozzle Complexity

H2S brings the performance and thermal capabilities of Bambu Lab's H Series into a streamlined single-nozzle platform. Its large build volume, high-flow extrusion system and intelligent monitoring make it suitable for prototypes, engineering parts, production tools and large-scale models.

340 × 320 × 340 mm Build Volume

A spacious build area enables larger parts to be printed as single pieces while also improving productivity for batch manufacturing.

Closed-Loop Servo Extruder

Bambu Lab's PMSM servo extrusion system monitors resistance and position at high frequency for precise, reliable filament delivery.

350°C High-Temperature Hotend

The all-metal hotend and hardened-steel extrusion components support standard materials as well as demanding engineering filaments.

65°C Actively Heated Chamber

Active thermal control provides a stable printing environment for materials that are sensitive to warping and temperature changes.

High-Speed CoreXY Motion

Toolhead speeds up to 1000 mm/s and acceleration up to 20,000 mm/s² support fast production without sacrificing stability.

AI-Assisted Monitoring

Integrated cameras and sensors monitor the printing process, filament path and machine condition to identify potential problems before they become failed prints.

Maximum Volume

Bigger Parts with Fewer Splits

With a build volume of 340 × 320 × 340 mm, H2S provides significantly more room than traditional 256 mm desktop printers. Large prototypes, structural components, functional tools and decorative models can be produced with fewer seams and assembly steps.

Built for Larger Projects

The expanded workspace is ideal for functional prototypes, production fixtures, cosplay components, housings and larger engineering assemblies.

DynaSense Extrusion

Intelligent Closed-Loop Filament Control

The H2S uses a high-precision Permanent Magnet Synchronous Motor for extrusion. Resistance and position are sampled at up to 20 kHz, allowing the system to dynamically control extrusion and identify abnormal resistance that may indicate filament grinding or clogging.

Up to 10 kg Extrusion Force

The servo-driven extrusion architecture delivers strong filament control for high-flow and engineering-material printing.

Real-Time Monitoring

Closed-loop control continuously tracks extrusion conditions instead of relying only on commanded motor movement.

High-Speed Performance

Up to 1000 mm/s

The optimized single-nozzle toolhead and CoreXY motion system support speeds up to 1000 mm/s and acceleration up to 20,000 mm/s². Active vibration compensation helps maintain surface quality and dimensional consistency during fast movements.

High-Flow Printing

The standard hotend supports flow rates up to 40 mm³/s under specified test conditions, while an optional high-flow hotend can reach up to 65 mm³/s.

Engineering Materials

350°C Hotend, 120°C Bed and 65°C Chamber

H2S combines an all-metal 350°C hotend with a build plate capable of reaching 120°C and active chamber heating up to 65°C. These controlled thermal conditions make the machine suitable for a wide range of engineering and fiber-reinforced materials.

High-Temperature Mode

Internal air can be recirculated through the heater and filtration system to maintain stable chamber temperatures for demanding materials.

Low-Temperature Airflow

Adaptive airflow helps provide appropriate cooling conditions when printing materials such as PLA and PETG.

Airflow & Filtration

Multi-Stage Air Purification

The enclosed H2S uses a G3 pre-filter, H12 HEPA filtration and granulated coconut-shell activated carbon to help manage particles and odors produced during compatible printing workflows.

Precision & Calibration

Designed for Fit-Critical Parts

Automatic calibration and compensation systems reduce manual setup and help maintain consistent dimensional performance. The optional Vision Encoder enables distance-independent motion accuracy below 50 micrometers during calibrated operation.

Automatic Bed Leveling

The build surface is automatically measured before printing to provide reliable first-layer positioning.

Auto Hole & Contour Compensation

Bambu Studio can compensate fit-critical hole and contour dimensions for more predictable assemblies when used with supported profiles.

Intelligent Protection

Smarter Pre-Print and Real-Time Monitoring

H2S combines multiple sensors and vision systems to monitor filament feeding, extrusion, build-plate conditions and printing behavior. The system can identify common problems such as filament tangles, extrusion abnormalities and failed-print patterns.

1080p Live View Camera

The built-in 1920 × 1080 camera supports remote print monitoring through the Bambu ecosystem.

Toolhead Camera

A dedicated 1600 × 1200 toolhead camera supports intelligent machine monitoring and calibration functions.

Filament Runout Detection

Integrated monitoring identifies when filament supply is depleted.

Power-Loss Recovery

Printing can be recovered after an unexpected interruption in electrical power.

Expandable Platform

Ready for AMS and Optional Manufacturing Tools

The standard H2S is supplied as a standalone 3D printer, but the platform can be expanded with compatible Bambu Lab AMS systems for automatic multi-color printing. It also supports an optional 10W Laser Upgrade Kit and digital cutting accessories.

Up to 24 AMS Filament Slots

H2S supports up to four AMS 2 Pro units and eight AMS HT units, providing a maximum of 24 automatic filament slots.

10W Laser Upgrade Support

The H2S platform can be upgraded for compatible 10W laser engraving and cutting workflows. A 40W laser is not supported.

Technical Specifications

Bambu Lab H2S

Build Area & Toolhead

Print Technology	FDM / FFF
Build Volume	340 × 320 × 340 mm³
Motion System	CoreXY
Hotend	All-metal
Extruder Gear	Hardened steel
Nozzle Material	Hardened steel
Included Nozzle Diameter	0.4 mm
Supported Nozzle Diameters	0.2 mm, 0.4 mm, 0.6 mm and 0.8 mm
Filament Diameter	1.75 mm
Filament Cutter	Built-in

Temperature & Build Plate

Maximum Nozzle Temperature	350°C
Maximum Heatbed Temperature	120°C
Active Chamber Heating	Supported
Maximum Chamber Temperature	65°C
Included Build Plate	Textured PEI Plate
Supported Build Plates	Textured PEI Plate and Smooth PEI Plate

Performance

Maximum Toolhead Speed	1000 mm/s
Maximum Toolhead Acceleration	20,000 mm/s²
Standard Hotend Maximum Flow	Up to 40 mm³/s under specified test conditions
Optional High-Flow Hotend	Up to 65 mm³/s under specified test conditions
Extruder Motor	High-precision PMSM servo motor
Maximum Extrusion Force	Up to 10 kg
Servo Sampling Rate	20 kHz

Supported Filaments

Standard Materials	PLA, PETG, TPU, PVA and BVOH
Engineering Materials	ABS, ASA, PC, PA, PET and PPS
Fiber-Reinforced Materials	Compatible CF/GF reinforced PLA, PETG, PA, PET, PC, ABS, ASA, PPA and PPS
Filament Diameter	1.75 mm

Airflow & Filtration

Pre-Filter	G3
HEPA Filter	H12
Activated Carbon	Granulated coconut shell
VOC Filtration	Supported
Particulate Filtration	Supported
Chamber Exhaust Fan	Closed-loop control
Chamber Heat Circulation Fan	Closed-loop control

Cameras & Sensors

Live View Camera	1920 × 1080
Toolhead Camera	1600 × 1200
Door Sensor	Supported
Filament Runout Sensor	Supported
Filament Tangle Sensor	Supported
Filament Odometry	Supported with AMS
Power-Loss Recovery	Supported
Emergency Stop	Supported

Dimensions & Weight — US

Printer Dimensions	492 × 514 × 626 mm
Printer Dimensions	19.37 × 20.24 × 24.65 in
Net Weight	30 kg / 66.14 lb
US Package Dimensions	580 × 605 × 750 mm
US Package Dimensions	22.83 × 23.82 × 29.53 in
US Gross Weight	39.2 kg / 86.42 lb

Electronics & Connectivity

Touchscreen	5-inch 720 × 1280 touchscreen
Built-In Storage	8 GB eMMC
External Storage	USB port
Wireless Connectivity	2.4 GHz / 5 GHz Wi-Fi
Wi-Fi Protocol	IEEE 802.11 a/b/g/n
Control	Touchscreen, Bambu Studio and Bambu Handy
Offline Operation	Supported
Developer Mode	Supported

Electrical Requirements

Voltage	100–120 VAC / 200–240 VAC, 50/60 Hz
Maximum Power — 110 V	1170 W
Maximum Power — 220 V	2050 W
Operating Temperature	10–30°C

What's Included

3D Printer	Bambu Lab H2S
Textured PEI Build Plate	Included
Spool Holder	Included
Accessory Box	Included
Safety Key	Included
AMS 2 Pro	Not included
Laser Module	Not included
Cutting Module	Not included