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Your cart is empty.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
Danny Belanger
Reviewed in Canada on April 29, 2025
tout en un,pratique et smart
Tyler Jaskiewicz
Reviewed in the United States on April 27, 2025
Super easy straight forward design plug and play went well highly recommend
Hans Schertel
Reviewed in Sweden on August 18, 2022
Väldig smidig esc/reciever till spektrum sändare.
Miguel Lopez Palomar
Reviewed in Germany on December 19, 2022
Sehr guter und Preisgünstiger Regler.
Ronnie
Reviewed in the United States on September 3, 2021
Perfect item. Very happy with purchase.
Trevor
Reviewed in the United States on September 19, 2021
Hooked it all up! Played with it in the house. No issues at all.. however I came in after letting it sit… went to take it out to the trail and it popped and caught fire on my kitchen floor. Swapped a stock one over from a friends and my car only went in reverse and wouldn’t go forward or turn.. so I think everything of mine is shot now..
John Darrigan
Reviewed in the United States on December 25, 2020
The media could not be loaded.
Kevin
Reviewed in the United States on December 12, 2020
So far a great broody to by spektrum. Combines the esc with the rx for
Travis
Reviewed in the United States on October 28, 2020
Great product as it didn’t take much to bind and works absolutely perfect great for crawling and pac a punch or slow as you need with the ability to change settings with a controller sold separately
james
Reviewed in the United States on October 28, 2020
Simple telemetry setup. Nice for my HPI crawler to keep track of remaining battery.
Mike
Reviewed in the United States on October 28, 2020
Works great. Nice size for custom crawler I built
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