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Spektrum Firma 2 in 1 Brushless Cr (Spektrum XSEM1040B | SPMXSEM1040B)

Model: Spektrum XSEM1040B
Dist. #: SPMXSEM1040B   SKU: SPMXSEM1040B

Customer Reviews: Rated 4.0 stars 4 of 5 (1 Review)

Shipping: In Stock For Shipping
Store Pickup:

South Jordan, UT
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Price:  $199.99

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Updated on Aug 11, 2025 02:19:10 PM

Firma 2 in 1 Brushless Cr...


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Secret Benefits
2-in-1 ESC Motor Combo: Compact option for in-depth scale constructs where space is minimal
Advanced Sensored Motor Control: Great for sluggish speed driving and next level drag brake efficiency
IP-67 Waterproof Style: The IP-67 waterproof system offers industry leading waterproof and dustproof operation for worry-free driving in mud, sand, snow and water





Multi-point Protection:

Over-current defense

Automatic LiPo low-voltage cutoff

Thermal defense

Failsafe defense





Features

Pro-level Drag Brake efficiency and adjustability

RPM/Throttle Matching allowed

FOC (Field-Oriented Control) equipped

Integrated 40-amp ESC (160amp burst)

2-3S LiPo/6-9 Cell NiMH input voltage range

IP-67 rated waterproof system

Completely programmable with optional Spektrum ESC Programmer Box (not consisted of)

Established and created by Spektrum™ engineers, in partnership with the industry's leading ESC and Brushless Motor manufacturer

Compact for simple installation in {most|many|a lot of|the majority of} applications

All set to install — no soldering required

Adjustable high-power BEC (6V or 7.4V)

Firmware updatable through the Spektrum ESC Shows Box

High heat resistant IC3 ports, in reverse compatible with EC3 ports

Limited 1-year warranty





The Ultimate Compact Spider Service
The Spektrum Firma Sensored 2-in-1 System is particularly crafted to be utilized with 10th scale Crawlers and Scalers. Including advanced Field-orientated Control (FOC) and expert drag brake efficiency and torque control, all while being fully waterproof.

The compact 2-in-1 style grants builders the ability to reduce mess and elements, providing you the most room for scale accessories and modification. The incorporated style makes the size similar to a 550 can size motor, making it a easy drop-in option for most 1/10 scale spider, scaler and trailer models.

Available in a low speed 1400Kv option for severe sluggish speed and high angle of attack efficiency. And a high speed 2300Kv for excellent control for trailers and rock bouncers.





Field-oriented Control

Field-oriented Control
The Spektrum Firma Sensored 2-in-1 System includes a high-precision magnetic encoder and rotor position sensor that offers excellent 1 to 1 control feel when driving at any speed and at any angle. Perfectly matched for trail driving, rock crawling competitors and rock racing setups. This improvement in sensored motor control permits the ESC to match your throttle input to the motors RPM with unrivaled precision.
 

Intelligent Speed and Torque Control

Intelligent Speed And Torque Control
The Spektrum Firma Sensored 2-in-1 System offers a closed loop control, ensuring that the esc maintains torque and RPM levels even as driving conditions alter. Providing unmatched control when driving uphill or downhill and even when in wet or loose traction conditions. No matter the terrain, the Spektrum Firma Spider system keeps you in total control.
 





Maximum Power Efficiency Supplies Longer Battery Life

Maximum Power Efficiency Provides Longer Battery Life
When driving with the Spektrum Firma Sensored 2-in-1 System, motorists are better equipped for the long routes ahead. The Spektrum Firma Sensored 2-in-1 System only utilizes the power it requires to match your desired throttle output, offering considerably more efficient current levels and incredibly long battery life when compared to similar sensorless systems.
 

Pro-Level Drag Brake Adjustment

Pro-Level Drag Brake Adjustment
The Spektrum Firma Sensored 2-in-1 System includes a huge variety of drag brake adjustability, allowing for motorists to skillfully tune their crawlers and scalers depending upon their driven train and lorry weight. Permitting as much as 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your lorry parked at almost any slope.
 





Water resistant

Waterproof
The all-weather, waterproof style of Spektrum™ Firma™ ESCs permits them to perform in almost any terrain under nearly any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.
 

High-adjustability Shows Options

High-adjustability Programming Options
Using the Spektrum ESC Shows Box (version V2 required) , you can quickly alter settings on the trail to match driving conditions. An easy-to-use Smart Link USB Upgrading and PC Programmer app is likewise offered.
 



Requirements

Application: 1/10 Rock Spider

Vehicle Cutoff: Yes

BEC Voltage: 6V/7.4V Adjustable, Continuous Present 4A (Change Mode)

Connector Type: IC3

Forward: Yes

Input Voltage: 2-3S LiPo, 6-9 Cells NiMH

Maximum Burst Current: 160A

Maximum Continuous Present: 40A

Motor Size: 550-Size

Motor Type: Brushless - Sensored

Number of Poles: 4

External Size: 1.46" (37 mm)

Overload Protection: Yes

Item Length: 2.28" (58 mm)

Item Weight: 201g (consisting of wire plug)

Programmable: Yes

Reverse: Yes

RPM/Volt (Kv): 2300Kv

Shaft Size: 0.125" (3 mm)

Shaft Length: 0.63" (16 mm)

Water-Resistant: Yes

Frequently Bought Together

Spektrum Firma 2 in 1 Brushless Cr
+
Spektrum Smart ESC Programming Update Box: Avian and Firma
+
Traxxas Servo Digital High Torque 600 Bl Bb
This Item: Spektrum Firma 2 in 1 Brushless Cr
$199.99
Spektrum Smart ESC Programming Update Box: Avian and Firma
$37.99
Traxxas Servo Digital High Torque 600 Bl Bb
$159.95

Total Price: $397.93

Add All Three To Cart
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Rated 4 stars Best 1/10 crawler motor esc
By Scott S on March 14, 2023

I have really enjoyed this combo and it has tons of low end and tuning is awesome I have four of the 1400kv 2 in 1 Firma and it is a great choice crawling motor for sure thank you Vortex

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