If you’ve ever tried to engrave a large wooden sign or a batch of tumblers with a low-power laser, you know the frustration of slow passes and uneven results. The xTool S1 40W laser cutter and engraver promises to change that, offering professional-grade power and speed in a desktop-friendly package. In this review, we’ll explore the S1’s capabilities, its unique safety features, and the optional RA2 Pro rotary attachment for cylindrical objects. Whether you’re a hobbyist or a small business owner, this guide will help you decide if the S1 is the right laser for your projects in 2026.
Buying Guide: Choosing the Right Laser Engraver
When shopping for a diode laser engraver, you need to consider more than just wattage. The xTool S1 stands out with its 40W output, but other factors like bed size, safety features, and software ease are just as critical. Here’s what to look for when comparing models.
Laser Power and Cutting Capability
Higher wattage means faster cutting and the ability to handle thicker materials. The xTool S1’s 40W laser can slice through 18mm cherry wood in a single pass, a feat that lower-powered lasers struggle with. If you plan to cut wood, acrylic, or even engrave metal, a 40W diode is a solid choice.
For comparison, check out our guide on the best xTool laser engraver for 2026 to see how the S1 stacks up against other models.
Bed Size and Work Area
The S1 offers a generous 23.93″ x 15.16″ bed, perfect for large projects like door signs or engraving many items at once. If you need even more length, the AutoPassthrough feature lets you work on pieces up to 118 inches. This versatility is a major plus for small businesses that handle varied orders.
For more insights on maximizing your workspace, see our best laser engraver for small business.
Safety Features and Enclosure
Safety is non-negotiable, especially if you have kids or pets around. The S1 is a Class 1 laser with a protective cover that filters 99% of laser light, so you won’t need goggles. It also has five flame sensors and an emergency stop button, giving you peace of mind during operation.
Software and Ease of Use
No one wants a steep learning curve. The S1 comes with xTool Creative Space (XCS), which is beginner-friendly and includes pre-set parameters for over 400 materials. Plus, the AI-powered design generator can create custom designs from simple text prompts. If you’re new to laser engraving, this makes the S1 a great starting point.
For beginners, we recommend reading our best laser engraver for beginners guide to see how the S1 fits in.
Final Thoughts
After evaluating the xTool S1’s performance, safety, and ease of use, we’re confident it’s a top-tier choice for both hobbyists and professionals. The xTool S1 40W Laser Cutter and Laser Engraver excels at large projects and delivers consistent results, while the xTool RA2 Pro for xTool S1, F1, F1 Ultra, P2 expands your creativity to cylindrical items like tumblers and wine glasses. Whether you’re just starting out or looking to upgrade your workshop, these two products make a powerful combo.
Frequently Asked Questions
Can the xTool S1 engrave metal?
Yes, the xTool S1 can engrave metal, especially when you use a marking spray or a suitable coating. The 40W diode laser is powerful enough to mark stainless steel and aluminum, though results vary by alloy. For best outcomes, follow xTool’s material settings in XCS.
Is the xTool S1 safe to use indoors?
Absolutely. The S1 is a Class 1 laser with an enclosed design that filters laser light and reduces smoke and noise. It also features flame sensors and an emergency stop, making it safe for indoor use, even with pets around. Just ensure proper ventilation for fumes.
What materials can the xTool S1 cut?
The S1 can cut materials like wood, acrylic, leather, and even some plastics up to certain thicknesses. It’s particularly effective on 18mm cherry wood in a single pass. Always check the recommended settings in XCS to avoid damage.
Does the RA2 Pro work with other laser engravers?
Yes, the RA2 Pro is compatible with xTool S1, F1, F1 Ultra, P2, D1 Pro, M1 Ultra, and most laser engravers on the market. It requires a riser for some models, but the included accessories allow you to engrave a wide range of cylindrical objects.
For more on rotary attachments, check our best laser engraver for wood article.
