Graupner X-4S 2 Channel 2.4GHz HoTT Transmitter


Graupner X-4S 2 Channel 2.4GHz HoTT Transmitter

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SKU: Graupner-33400 Category: Tag:


Graupner X-4S 2 Channel 2.4GHz HoTT Transmitter


  • 2.4 GHz HoTT (Hopping Telemetry Transmission) Colt transmitter
  • 35 channel FHSS HoTT system
  • Switches and rotary controls are easily accessible
  • Servo reverse function
  • Dual Rate/ Expo menu
  • Clean, adjustable throttle spring force
  • Differential steering and braking configurable at the radio
  • Combination LED and buzzer alerts for low receiver/transmitter battery voltage, high motor temperature
  • Gooseneck Steering Wheel mount
  • Right or left-hand steering wheel mount configurable


  • X-4S HoTT transmitter
  • GR-4 receiver
  • Alkaline Batteries
  • Battery Holder
  • Manual


Introducing the new Graupner X-4S 2-channel 8-function radio transmitter for cars, trucks and crawlers. Based on the tried and true 2.4GHz signal, it jumps between up to 35 frequencies by using optimized two-way HoTT technology, maintaining great signal lock with zero latency from ranges near and far. Plus, its interference rejection technology prevents local competitor interference. Dual rate and trim function knobs are easily accessed by feel without having to look away from your vehicle. Touch sensitive buttons allow function activation while accelerating and braking.

The X-4S is ergonomically and technically modern for ambitious and professional RC car and speedboat drivers. With its consistent technical optimization, this device offers an advanced operating and functional comfort in its class.


Operating Voltage: 3.4 ~ 6V
Frequency :  2.4000 ~ 2.4835
Total Weight Approx. : 18oz (1.16 lb)
Modulation: FHSS
Range Approx. : 1640 ft
Steering function: 4
Charging Rate: 210mA
Tempertaure Range: -10 to +55 degrees Celsius, 14 tp 131 degrees Fahrenheit
Aerial Length: 8cm (3in)
Dimensions Approx. : 9.4 x 6.7 x 5.5 in)

Additional information

Weight 3 lbs
Dimensions 12 × 6 × 6 in