OBA - On Board Audio, a module installed inside the vehicle that has speakers which outputs actual engine sounds from a 900+ horsepower Pro 4X4 short course truck. The audio varies with the throttle input to be as realistic as possible.

Traxxas' patented Training Mode is a fantastic way to learn how to drive an RC car, once set to Training Mode the power output of the car gets reduced to 50%.

Traxxas Stability Management (also referred to as TSM) is included in Traxxas' latest receivers. It incorporates an advanced gyro system that detects when the wheels lose traction beyond the control of the user and instantly corrects it to keep you on course.

The Velineon VXL-3s speed control is loaded with high-grade technology to deliver maximum power to the motor. When running a LiPo battery, the two-stage low voltage detection prevents the battery from being over-discharged, and advanced circuit design gives smooth power delivery at any speed.

This RC car's power is delivered by Traxxas' mighty Velineon 3500kv brushless motor. Ultra-high-temperature Neodymium magnets, high-speed ball bearings, and a precision balanced rotor deliver power and long life with near zero maintenance.

The best connectors in the industry! Secure, easy to use, high-current, also has an RFID chip that tells the charger what settings to charge it on. Now that's one smart connector.