A6380 High Torque High Speed Plastic HV ServoThe Spektrum A6380 high voltage, digital servo is the perfect budget solution for your sport plane. With its durable design combined with dual bearing output support, metal gear durability, smooth coreless motor operation, an impressive 160 oz in torque rating at 8. 4 volts, the A6380 servo boast specifications that easily beat other standard size competitors in its class. Programmable No Deadband 5s Input Voltage 6. 0V to 8. 4V Product Application