The most advanced Futaba surface system ever!   The 4PX is the latest Futaba 4-channel radio – and it’s the most cutting-edge one yet! Not only is the 4PX 30% faster than the 4PKS-R, it also features a 3.5″ (89 mm) TFT (Thin Film Transistor) full-color display, synthesized voice for telemetry data, improved weight distribution […]