120W CNC & Benchtop Power
120 Watt Laser Systems
Makers’ favorite high-output stationary laser cannons. Instantly cut thin wood, acrylic, or ablate metal surface coatings. Perfect for DIY CNC upgrades, laboratory experiments, and custom burning setups. Equipped with active dual-fan cooling and key-lock safety.

Featured 120W Models
High Power 120W Lasers For DIY & Scientific Projects
Explore our hot-selling 120W systems, compact blasters, and high-power upgrades. Click to view prices and add to cart.
JGX3-120 Laser Cannon
Chassis mount design with dual-fan active cooling. Best for CNC engraving tables and long laboratory bench trials. Features 2-pin emergency interlock.
Shop & Add to Cart →DC-40 Mini Cannon
Compact, portable 40W laser cannon. Focusable lens, anodized aluminum casing, and pre-wired battery setup. Excellent for close-range DIY projects.
Shop & Add to Cart →SQ500-2 DIY Cannon
Build your own 500W stationary laser cannon. Massive heat sinks, heavy duty driver board. Designed for serious makers demanding peak optical output.
Shop & Add to Cart →Wavelength Safety Goggles
Certified OD5+ safety eyewear. Wavelength matched to near-infrared and blue emissions. Protect your vision.
Browse Safety Gear →Product Comparison
120W Class Model Matrix
Compare leading models by mechanical format, cooling method, and typical usage.
| Product Name | Format | Cooling Method | Best Application | Purchase Link |
|---|---|---|---|---|
| JGX3-120 System | Cannon (Stationary) | Active Dual-Fan | CNC Integration, Lab Testing | Buy JGX3-120 |
| DC-40 Mini Cannon | Mini Cannon (Portable) | Passive + Aluminum Shell | Mobile Research, Prop Builds | Buy DC-40 |
| SQ500-2 Cannon | Heavy Cannon (Stationary) | Active Dual-Fan | Heavy DIY Cutting, Ablation | Buy SQ500-2 |
DIY CNC Assembly & LightBurn Integration Use Cases
The 120W power class provides optimal power density for custom workshop modifications. Our users frequently integrate the JGX3-120 Laser Cannon into the following workflows:
- Hobbyist Woodworking & Precision Cutting: Integrate the JGX3-120 into open-frame CNC routers for crafting organic wood designs. The module easily cuts through 3mm basswood panels in a single pass at 200mm/min utilizing 100% duty cycle, powered by a filtered 24V 8A DC supply. For clean vector paths, we recommend configuring your GRBL firmware trigger pin for 5kHz PWM frequency control within LightBurn.
- Custom Acrylic Enclosures: Cut and engrave colored acrylic sheets up to 4mm thick for prototyping electronics enclosures, custom PC cases, and mechanical spacer brackets.
Compliance & Laser Safety Standards
Operating Class IV laser systems requires strict adherence to international safety protocols. All Portable Laser Tech systems feature physical safety locks and remote interlock loops. For detailed guidelines, please refer to the following official resources:
- FDA CDRH Compliance: High-power laser equipment imported into or sold within the United States must comply with the Center for Devices and Radiological Health rules under 21 CFR 1040.10 & 1040.11.
- ANSI Z136.1 Standards: Read the American National Standards Institute regulations for the safe use of lasers, Nominal Hazard Zones (NHZ), and eyewear selection at ANSI Laser Safety Guidelines.
- OSHA Regulations: Verify occupational safety standards and laser hazard control procedures outlined in the OSHA Technical Manual (OTM) Section III Chapter 6.
Explore the 120W Laser Catalog
Direct Answers
What Should 120 Watt Laser Buyers Compare First?
Prioritize comparing the mounting interfaces, heat dissipation methods (active fan vs. copper heat sink), and input power requirements (12V vs 24V DC).
+ 120W Class Represents the Sweet Spot for CNC and Bench Tasks
The 120W laser class is highly sought after by makers and industrial developers. It offers enough optical power to cut thin organic materials and ablate surface coatings rapidly, without requiring the bulky liquid cooling setups or heavy-duty power supplies associated with 500W systems. This makes it an ideal platform for custom engraving tables and benchtop scientific projects.
+ Active Heat Management is Essential for Extended Duty Cycles
High-power diode lasers generate substantial heat during operation. A 120W optical output requires robust thermal dissipation to prevent diode degradation. When selecting a system, compare the built-in cooling mechanisms. Systems with dual-ball bearing fans and copper pin-fin heat sinks support longer continuous runtimes compared to passive aluminum blocks.
+ Choose Between Stationary Cannon Formats and Handheld Chassis
Format determines your mounting and operation options. The JGX3-120 Laser Cannon is designed for fixed setups, featuring standardized M4 threaded mounting patterns and stable power sockets. For mobile field applications, handheld models like the LQ1-1000 offer an integrated battery compartment and a gun-style grip for ergonomic targeting.
Quick Answers
Common 120W Laser Questions
Can a 120W laser engrave metal?
Yes, a 120W near-infrared diode laser can engrave anodized aluminum, stainless steel, and titanium directly without marking spray, as well as cut thin wood and acrylic.
What power supply is required for a 120W laser cannon?
Our JGX3-120 cannons typically require a stable 24V DC input with a current rating of at least 8A to ensure stable operation during peak emission.
