Firma 120A Sensored Brushless Smart Crawler ESC, 2S-4S: IC5 SPMXSE1080
The Spektrum Firma Sensored Smart ESC System is specifically engineered to be used with 6th scale Crawlers and Scalers, such as the Axial® SCX6™. Featuring advanced Smart connectivity, professional drag brake performance and torque control, all while being fully waterproof.
Like every component in the Spektrum™ Smart ecosystem, Firma™ Smart ESCs combine “plug-and-play” simplicity with the ability to communicate with other Smart electronics — together, creating the best-performing RC system for your vehicle imaginable.
Features
- Smart all-in-one telemetry
- Pro-level drag brake performance and adjustability
- RPM/Throttle matching enabled
- FOC (Field-Oriented Control) equipped
- 120 Amp power for giant scale crawlers and extremely heavy crawlers
- 2S-4S LiPo compatible
- Fast, powerful 32-bit ARM M4 processor
- Waterproof ESC
- Waterproof sensor wire with locking plug and gasket
- Developed and designed by Spektrum™ engineers, in partnership with the industry’s leading ESC manufacturer
- Compact for easy installation in most applications
- Ready to install — no soldering required
- Aluminum heat sink for high efficiency
- Includes optional cooling fan
- Adjustable high-power BEC (6V or 7.4V)
- Firmware updatable through the Smart ESC Programming Box
- High heat-resistant IC™ connectors, backwards compatible with EC™ connectors
- Limited 1-year warranty
Multiple Options For Easy Programming
- Smart ESC Programming Box (V2 Programming Box Required)
- SmartLink USB Updating and Programmer application
- Programming from Transmitter via Text Gen Telemetry
Multi-point Protection
- Over-current protection
- Automatic LiPo low-voltage cutoff
- Thermal protection
- Failsafe protection

![SPMXSE1080_A6_SL4Z2DWI[1] Firma 120A Sensored Brushless Smart Crawler ESC, 2S-4S: IC5](https://rccarworld.com/wp-content/uploads/2026/08/SPMXSE1080-1.jpg)
Spektrum