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Model Number: SPM4100W

When you have a top of the line custom built UFO, you need a top of the line UFO transmitter to control it with. Introducing the DX4R Pro 4CH DSMR Racing Transmitter. This lightweight transmitter was conceived by racers for racers to deliver an unparalleled combination of speed, sophistication, and comfort packed into a 4CH racing system! Built around frequency-agile DSMR Technology, it's capable of maintaining a blazing 5.5 ms frame rate in even the busiest 2.4GHz environments. So that you can apply this technology in the most effective manner possible, the DX4R includes an SR2000 micro race receiver. Weighing a mere 2.0 grams, the SR2000 has a footprint smaller than most postage stamps and can be mounted on everything from 1:12 scale carpet racers to 1:8 scale off-road buggies! Serious UFO racers need a serious UFO transmitter, so pick up your DX4R Pro 4-Channel DSMR Racing Transmitter today!


  • Ultra responsive with DSMR 5.5ms frame rate
  • Adjustable trigger shape and tension
  • Large Backlit LCD Screen
  • 50-Model memory with ModelMatch technology
  • 4 User-defined, programmable mixes with naming
  • Pre-set mixes, including dual throttle, dual brake, MOA, 4WS, and dual steering
  • Switch-activated mix rates
  • On-the-fly mix rate control
  • Traction Control and ABS
  • RaceWare software updates via SD Card Reader
  • Integrated Antenna
  • Inactivity Alarm
  • Left-hand configurable (parts to position the steering wheel in the standard position included)
  • Compatible with DSMR and DSM2 receivers


  • DX4R Pro 4CH DSMR Racing Transmitter
  • SR2000 DSMR micro race receiver
  • Free SR410 4CH DSMR sport receiver
  • 2 Grip Sizes
  • Sticker Sheet
  • Instruction Manual
  • Bind Plug


  • Channels: 4
  • Modulation: DSM2, DSMR
  • Band: 2.4GHz
  • Receiver: SR2000 and SR410
  • Weight: 1lb 12oz (510 g)
  • Frame Rate: 5.5, 11 or 22ms (with DSMR receiver)

Battery Requirements:

  • 4 AA Alkaline (Not Included)

For questions regarding this product please email our friendly customer service team.

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Spektrum DX4R Pro 2.4GHz 4CH DSMR Racing Transmitter

Spektrum DX4R Pro 2.4GHz 4CH DSMR Racing Transmitter

$329.99 | Limited Stock Available

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