Variable watt ballasts are the solution to future-proofing your lighting needs. Designed to power lamps at 250, 400, 430, and 600 watts, the Xtrasun Dial-a-Watt adapts to any growing situation—no need to buy a new ballast when you upgrade your bulbs, and it’s dimmable! It’s plug-in accessible for your setup, switching between 120 and 240 volts instantly, and is generator-ready.

It’s also dead silent, and completely RF shielded for undetectable operation, and has an extruded aluminum casing that’s resin coated on the inside to dissipate heat and protect the unit from dust and moisture.

It comes complete with power cord and will work with most reflectors.

Pro-tip: Add a Yieldmaster 2 Reflector and a 600 Watt HPS Hortilux Bulb for a dialed-in, ready-to-grow setup.

XtraSun Dial-A-Watt 600W can power a multitude of different wattage lamps on the same ballast, 250W, 400W, 430W, 600W, and 600W Boost, with optimum performance for each lamp. Dual Receptacle works with all common reflectors; Sun System & Hydrofarm. Completely silent, Internal resin coating protects against dust and moisture, Internal RF shielding, Extruded aluminum enclosure dissipates heat and keeps components cool, Thermal overload protection internal safety feature, and Dimmable.