Spektrum SPMXSEMC04 Firma 130A Brushless Smart ESC 1/8 1900Kv Motor Combo. 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 – together, creating the best-performing RC system for your vehicle imaginable. Firma Smart ESCs do much more than regulate power. They […]