JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

Spektrum FIRMA 85A BL Smart ESC/33 (Spektrum XSEMC01 | SPMXSEMC01)

Model: Spektrum XSEMC01
Dist. #: SPMXSEMC01   SKU: SPMXSEMC01

Be the first to review this product. (Write Review)

Shipping: In Stock For Shipping
Store Pickup:

South Jordan, UT
Available Now!

Price:  $129.99

This item will earn you 130 reward point(s).
130 points = $2.60 off your next order. Learn More

Updated on Sep 21, 2025 06:06:01 PM

FIRMA 85A BL Smart ESC/33...








Product Features






  • Smart all-in-one telemetry

  • Fast, powerful 32-bit ARM M4 processor

  • Water resistant

  • Several choices for simple shows:


    • Button shows

    • Smart ESC Programming Box

    • SmartLink USB Upgrading and Developer application


  • Multi-point protection:


    • Over-current protection

    • Automatic LiPo low-voltage cutoff

    • Thermal protection

    • Failsafe protection


  • Developed and created by Spektrum™ engineers, in collaboration with the industry's leading ESC maker





  • Carefully picked combination for 4WD 1/10th scale surface applications running on threes Lipo setups

  • Includes high efficiency and sturdiness Spektrum Firma 3300kV Brushless motor

  • High existing adjustable BEC (6v or 7.4v @ 4 Amps)

  • Compact for simple installation in most applications

  • Prepared to set up — no soldering required

  • Rugged plastic case with mounting tabs

  • Aluminum heat sink for high effectiveness

  • Cooling fan

  • Adjustable high-power BEC

  • Firmware updatable through the Smart ESC Programming Box

  • High heat-resistant IC™ connectors, backwards compatible with EC™ connectors

  • Minimal 1-year service warranty








Product Overview


Like every part in the Spektrum™ Smart community, Firma™ Smart ESCs integrate "plug-and-play" simpleness with the capability to interact with other Smart electronics — together, creating the best-performing RC system for your lorry possible.


Firma Smart ESCs do a lot more than control power. They work like a virtual engineer inside your model, offering a direct course to the vital operating data you require to reach peak efficiency. Firma Smart ESCs provide you an additional layer of self-confidence that your electronics are all operating at their finest.


With Firma Smart ESCs, you'll be much better linked to your lorry than ever before — without installing extra parts that all work separately of each other. You will not require extra wires, modules, or links. A Firma electronic speed control provides a one-wire solution for acquiring telemetry data such as RPM, temperature, battery voltage and capability.


Firma ESCs not only gather the data however also send it to your transmitter in genuine time, instead of only storing it for after-run study. You have the ability to adjust settings as required to boost efficiency on the go. The Firma Smart single-wire telemetry solution has actually been evaluated for quality and efficiency by the finest brands in RC. Their verdict? Smart innovation is both simpler and superior!








Needed to Total

  • Spektrum™ Surface Receiver

  • Spektrum Smart Innovation LiPo Battery

  • Spektrum Transmitter





What's in the Box?

  • (1) Spektrum™ Firma™ Smart ESC

  • (1) Spektrum Smart sticker sheet

  • (1) Product Manual








Video Overview






 









WATERPROOF

WATERPROOF

The all-weather, waterproof design of Spektrum™ Firma™ Smart ESCs enables them to perform in almost any terrain under practically any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.


 





EC3™/EC5™ BACKWARDS COMPATIBLE

EC3™/EC5™ BACKWARDS COMPATIBLE

Firma™ ESCs include IC™ series battery connectors. The IC series of connectors are created from the ground up to supply a more strong connection, higher heat resistance, and effortless installation. When utilized with an IC3™ or IC5™ connector-equipped Spektrum™ Smart battery, the ESC can receive and transfer battery telemetry data. EC3 and EC5 are also compatible with Firma ESCs for standard operation and ESC telemetry.


 









ONE-WIRE TELEMETRY



ONE-WIRE TELEMETRY



ONE-WIRE TELEMETRY

No need to connect multiple wires, sensors, modules, and links. With Firma™ ESCs, simple one-wire telemetry transmits a large range of data directly to your transmitter in genuine time, consisting of RPM, voltage, temperature, balance, capability, and speed.*


*See compatibility chart for additional information.

 








SMART INNOVATION BATTERY DATA

SMART TECHNOLOGY BATTERY DATA

When utilized with a Spektrum™ Smart LiPo battery, your Firma™ ESC provides you with the benefit of battery telemetry that's instantly transmitted to your compatible Spektrum radio in genuine time. On your transmitter screen you'll exist with practical info such as variety of cycles, battery portion, individual cell voltage and more!


 





MULTIPLE PROGRAMS OPTIONS

MULTIPLE PROGRAMMING OPTIONS

Several shows choices are available. Button shows can be utilized with nothing more required. Using the Smart Firma™ ESC Programming Box, you can quickly change settings at the track to match driving conditions. An easy-to-use Smart Link USB Upgrading and PC Developer app is also available.


 







 



FAST, POWERFUL M4 PROCESSOR

FAST, POWERFUL M4 PROCESSOR

The Firma™ ESCs' 32-bit M4 processor produces higher resolution signal input and more accurate motor output.




 









Visual Parts Finder