FIRMA 130 Sensored Brushless Smart ESC 2-4SOverview Like every component in the Spektrum Smart ecosystem, Firma Smart ESCs combine "plug and play" simplicity with the ability to communicate with other Smart electronics, creating the best performing RC system for your vehicle. Firma Smart ESCs do much more than regulate power. They function like a virtual engineer inside your model, providing a direct path to the vital operating data you need to reach peak performance. Firma Smart ESCs give you