Spektrum Firma 40 Amp Brushed Smart 2-in-1 ESC&Receiver

Tower Stock# SPMM1534  •  Manufacturer Stock# SPMXSE1040RX
Only manufacturer discounts can be applied to this product's purchase. Tower coupon codes may not be applied.
Regularly Purchased Together
Although customers also purchased these, compatibility is not guaranteed. Click an item for product details.

Notes from our tech department:


Compatible with Spektrum DSM2DSMR surface transmitters, and
includes built-in Smart telemetry
Telemetry features include Battery Voltage, Current, ESC, Temp,
Battery Data (with Smart battery)
The Dynamite LED Program Card (sold separately) allows programming of
Battery Type, Running Mode, Cutoff Voltage, Drag Brake, Start-up
Force, Max Forward Force, Max Reverse Force, Max Brake Force
and more
Waterproof under normal wet conditions such as puddles, creeks, wet
grass, snow and rain
Three servo ports (Steering, Aux 1, Aux 2), throttle is internally
connected to the ESC
One year limited warranty beginning at date of purchase


Spektrum Firma 40 Amp Brushed Smart ESC and Receiver with IC3
Battery Connector and Instruction Manual


Input Voltage: 6-10.8V (2-3S LiPo, 5-9 cell NiMH)
Dimensions, L, W, H: 2.1 x 1.3 x 0.81 in (54 x 33.5 x 20.5mm)
Weight: 2.4oz (68g)
Compatible Motors: Brushed, below 8.4V down to 12T
below 12.6V down to 30T
BEC Continuous Current: 3A
Channels: 4 (no throttle servo output)
BEC Voltage: 6V
Motor Connector: 3.5mm Bullet
Antenna Length: 1.2 (31mm)
Battery Input Connector: IC3 (EC3 compatible)
Voltage Range: 2-3S LiPo (5-9 cell NiMH)
Max Current: 40A continuous
Burst Current: 180A
Band: 2404 MHz - 2476 MHz
Servo Output Voltage: 6V up to 3A shared with auxiliary light

jxs 031620



Manufacturer Contact Information