MK2 Hybrid Pro Fan Speed Controller the most popular hybrid model just got an upgrade The Hybrid Controller MK2 uses a software-based technology, combined with a 5-step mechanical system for speed control of the ventilation system. It is designed to maintain a constant temperature, and to keep the air flow under control at all times. The presence of a heavy duty 5 step transformer makes the Hybrid Controller MK2 the most reliable and silent controller on the market that guarantees no buzzing or humming from your fans even at the lowest speeds. In addition, the MK2 software on the Hybrid Controller will also keep humidity in your room under control during the dark cycle – when it matters the most!

Hybrid Fan Controller available in 4amp, 8amp & 16amp.