Firma 40A Brushed Smart 2-in-1 ESC and Receiver

Out of stock Delivery time on demand
€64.99 €53.71

Product Details


Spektrum Firma 40A Brushed Smart 2-in-1 ESC and Receiver - SPMXSE1040RX

Upgrade your brushed motor equipped models to Spektrum™ Smart Technology with the Firma™ Smart 40 Amp Brushed ESC. Get valuable battery and ESC telemetry data easily and in real time right on your Smart-compatible Spektrum transmitter — including motor current, input voltage, remaining battery capacity and other information that will help endurance RC trailers increase efficiency and extend battery life and run time.


Built with Crawler and Scaler models in mind, the Firma 40 Amp Brushed ESC features a waterproof and dust proof design to keep you going down the trail in nearly any conditions. It has a powerful 3 amp BEC for your lights, winch and steering servo. And it’s fully programmable using an optional programmer box, so you can customize the ESC to suit your model’s needs and your own driving style.


The Firma 40 Amp Brushed ESC also helps reduce clutter and streamline your setup with an industry-leading, integrated 4-channel DSMR®/DSM2® receiver. This integrated receiver system is perfectly suited to allow drivers the options for winch setups, dual steering mixes and more. And setup is simple, with a convenient bind button and no complicated calibrations. When using Smart telemetry, alarms and parameters are setup automatically on your Spektrum transmitter.


  • Integrated SMART Technology
  • Built-in 4-Channel DSMR® Receiver
  • Waterproof design
  • Dedicated LED power connectors
  • Multiple protection points


  • Antenna Length: 1.2 in (31mm)
  • Auto Cutoff: Yes
  • Band: 2404MHz, 2476MHz
  • Battery Connector: IC3
  • BEC: Yes
  • BEC Continous Current: 3A
  • BEC Type: Programmable using optional programmer box (not included)
  • BEC Voltage: 6V
  • Brakes: Yes
  • Channels: 4
  • Forward: Yes
  • Input Voltage: 6-10.8V (2-3S LiPo, 5-9 cell NiMH)
  • Low-Voltage Cutoff Programmable: Yes
  • Maximum Burst Current: 180A
  • Maximum Continuous Current: 40A
  • Motor Connector: 3.5mm Bullet
  • Overload Protection: Yes
  • Product Height: 20.5mm
  • Product Length: 54mm
  • Product Weight: 68g


More Information
Manufacturer Spektrum
Article reference SPMXSE1040RX
Opto / BEC BEC
Max Current 40.00 Ampère

In the box

  • (1) Spektrum™ Firma™ 40 Amp Brushed Smart 2-in-1 ESC and Receiver
  • (1) Product Manual