907783 - Miller Syncrowave 400 AC/DC TIG Power Source

Master Precision with the Miller Syncrowave 400

Take your TIG welding productivity to the next level with the Miller Syncrowave 400. Built for professional welders who demand consistency and control, this machine smoothes out the complexities of AC/DC TIG welding. Whether you are fabricating aluminum structures, stainless steel piping, or performing critical maintenance repairs, the Syncrowave 400 delivers a stable, controllable arc that makes it easier to produce high-quality welds. The machine's "Blue Lightning" high-frequency arc starter ensures non-contact arc initiation that is more consistent and reliable than traditional HF starters, reducing tungsten contamination and maintenance downtime.

The Syncrowave 400 is designed with the welder's comfort and workflow in mind. The Pro-Set feature is a game-changer for quick setups—simply select the feature, and the machine provides professional-grade settings instantly. For those who prefer manual control, the interface allows for deep customization of pulse settings, AC balance, and frequency. The Lift-Arc™ start capability allows for TIG arc starting without high frequency when working in sensitive electronic environments. Additionally, the machine's smaller footprint and lighter weight compared to legacy models mean it takes up less valuable floor space and is easier to maneuver around the shop.

This power source is ready to tackle a wide range of materials including aluminum, stainless steel, and mild steel. It supports Pulsed TIG welding, which increases puddle agitation and arc stability while reducing heat input—perfect for thin materials or controlling distortion. With the ability to run on single or three-phase power from 208V to 480V without manual relinking, the Syncrowave 400 is as flexible as it is powerful. Invest in a machine that works as hard as you do and enjoy the peace of mind that comes with Miller's 3-year True Blue warranty.