Firma 40A Brushless ESC 2-in-1 SLT Protocol Receiver with DSC

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Spektrum #SPMXSBER1040G
$74.99
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Next Shipment April 2026
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This 2-in-1 Spektrum Speed Control and Receiver offers space-saving appeal. The unit features PowerGuard, which allows drivers and parents to set performance limits. Drivers can easily control vehicle output directly from the vehicle itself with no additional parts required. Compatible with 2S or 3S LiPo batteries, this 40A Brushless ESC/Receiver with DSC (Dynamic Stability Control) gives your small-scale vehicle the ultimate bashing experience. The firmware is tuned specifically for smaller-scale vehicles, ensuring you receive a finely developed piece of hardware that delivers maximum performance when needed.
  • Speed Control and Receiver combined in one unit to save space
  • Compatible with Spektrum SLT surface transmitters
  • Spektrum DSC (Dynamic Stability Control) throttle management to keep you in control
  • PowerGuard: Two ways to bash. One way to dominate
  • (1) Firma 40A Brushless ESC 2-in-1 SLT Protocol Receiver with DSC
Firma 40A Brushless ESC 2-in-1 SLT Protocol Receiver with DSC

ARRMA ​WHAT IS POWERGUARD?! Video

POWERGUARD for the Spektrum Firma 40A Brushless ESC 2-in-1 SLT Protocol Receiver with DSC
POWERGUARD

PowerGuard gives you control of how wild you want the ride to be. Pick your flavor – run time or chaos.

ADRENALINE-MODE: Max run time. Max stamina. Keep sending it long after the rookies quit.

CHAOS-MODE: Plug in the PowerGuard PowerKey. Unlock 50+ MPH speed. Unleash pure chaos.

Product Specifications

Amperage
40A
Band
2.4GHz
Connector Type
3.5mm Bullet
Drive Type
Forward/Brake/Reverse
LiPo Compatibility
2S, 3S
Product Height
1.31" (33 mm)
Product Length
1.73" (44 mm)
Product Weight
44g
Product Width
1.53" (39 mm)
Technology
DSC, SLT Protocol, PowerGuard