The Spektrum Firma 4S 120 Amp Brushless Smart ESC combines “plug-and-play” simplicity with the ability to communicate with other Smart electronics — together, creating the best-performing RC system for your vehicle imaginable.
- Smart all-in-one telemetry
- Fast, powerful 32-bit ARM M4 processor
- Waterproof
- Multiple options for easy programming:
- Button programming
- Smart ESC Programming Box
- SmartLink USB Updating and Programmer application
- Multi-point protection:
- Over-current protection
- Automatic LiPo low-voltage cutoff
- Thermal protection
- Failsafe protection
- Developed and designed by Spektrumâ„¢ engineers, in partnership with the industry’s leading ESC manufacturer
- Ideal for 1/8th scale surface applications running on 4s Lipo setups
- High current adjustable BEC (6v or 7.4v @ 4 Amps)
- Compact for easy installation in most applications
- Ready to install — no soldering required
- Rugged plastic case with mounting tabs
- Aluminum heat sink for high efficiency
- Cooling fan
- Adjustable high-power BEC
- Firmware updatable through the Smart ESC Programming Box
- High heat-resistant ICâ„¢ connectors, backwards compatible with ECâ„¢ connectors
- Limited 1-year warranty
- (1) Spektrumâ„¢ Firmaâ„¢ Smart ESC
- (1) Spektrum Smart sticker sheet
- (1) Product Manual
- Spektrumâ„¢ Surface Receiver
- Spektrum Smart Technology LiPo Battery
- Spektrum Transmitter
This product was added to our catalog on October 22, 2020






















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