Published OptX lineup
ModelOutputPublished sheet capability
OptX 1kW1000WUp to 1/8 in.
OptX 2kW2000WUp to 5/16 in.
Miller lists 240V laser input for both complete packages and includes a dedicated industrial OptX wire feeder.
Who should research OptX
Shops that value an established welding brand, dealer-led support, integrated training/safety resources and a professional production package should put OptX on the research list—even if the initial price is much higher than DTC machines.
What to compare against DTC systems
- Total installed cost, not just power-source price.
- Dealer/service coverage and response time.
- Training and safety package.
- Published material-specific capability.
- Consumables availability and downtime plan.
Frequently asked questions
What is the main difference between Miller OptX 1kW and 2kW?
Miller publishes 1000W and up to 1/8-inch sheet capability for the 1kW, versus 2000W and up to 5/16-inch capability for the 2kW.
Does Miller OptX use 240V input?
Miller lists 240V laser input power on the complete-package specifications for both OptX 1kW and 2kW.
Sources checked Official manufacturer pages
Checked August 26, 2026. Manufacturer specifications, pricing and policies can change. LaserWeldFit separates published claims from our own buyer-oriented interpretation.
Safety: Handheld fiber laser welders are high-power Class 4 laser systems. This page is buying research, not a welding procedure. Follow the exact manufacturer manual, use appropriate engineering controls and laser-rated PPE, and comply with applicable workplace and local requirements.