FIRMA 2 in 1 - 25A BR Smart ESC/ (SPMXSER1025)

Firma Smart 25A 2-in-1 Brushed Smart ESC with Dual Protocol Receiver is an all-in-one speed controller and receiver that brings Spektrum Smart telemetry to brushed-motor RC cars. It delivers 25A continuous current (70A burst) and supports 2-3S LiPo or 5-9 cell NiMH packs, making it ideal for compact 1/16-scale and micro vehicles. The built-in dual-protocol receiver works with DSM2/DSMR/SLT transmitters, letting you monitor motor current, input voltage, remaining battery capacity, and other data directly on a Smart-compatible transmitter without extra sensors or wires.

Compact and easy to install, this unit is ready to drop into most brushed-motor builds with no soldering required. It offers flexible programming options—from adjusting settings via a Smart Telemetry-enabled transmitter to using the Smart Firma ESC Programming Box—and a push button for on-device tweaks. Firmware updates keep features current, and the waterproof design helps maintain performance across weather and terrain, delivering reliable control and extended runtime.