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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 Sep 21, 2025 06:34:43 PM

Firma 2 in 1 Brushless Cr...


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Key Benefits
2-in-1 ESC Motor Combination: Compact choice|choice|alternative} for in-depth scale develops where area is limited
Advanced Sensored Motor Control: Great for slow speed driving and next level drag brake efficiency
IP-67 Waterproof Style: The IP-67 waterproof system offers market leading waterproof and dustproof operation for stress-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 enabled

FOC (Field-Oriented Control) equipped

Integrated 40-amp ESC (160amp burst)

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

IP-67 ranked waterproof system

Completely programmable with optional Spektrum ESC Developer Box (not included)

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

Compact for easy setup in the majority of|many|a lot of|the majority of} applications

Prepared to install — no soldering required

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

Firmware updatable through the Spektrum ESC Programming Box

High heat resistant IC3 adapters, in reverse suitable with EC3 adapters

Limited 1-year service warranty





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

The compact 2-in-1 design grants home builders the ability to reduce clutter and components, offering you the most room for scale accessories and customization. The integrated design makes the size comparable 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 extreme slow speed and high angle of attack efficiency. And a high speed 2300Kv for exceptional control for trailers and rock bouncers.





Field-oriented Control

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

Intelligent Speed and Torque Control

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





Optimum Power Efficiency Provides Longer Battery Life

Maximum Power Efficiency Provides Longer Battery Life
When driving with the Spektrum Firma Sensored 2-in-1 System, motorists are much better equipped for the long trails ahead. The Spektrum Firma Sensored 2-in-1 System just uses the power it needs to match your desired throttle output, supplying substantially more effective present levels and incredibly long battery life when compared to comparable sensorless systems.
 

Pro-Level Drag Brake Change

Pro-Level Drag Brake Adjustment
The Spektrum Firma Sensored 2-in-1 System features a big variety of drag brake adjustability, enabling motorists to skillfully tune their crawlers and scalers depending on their driven train and vehicle weight. Allowing approximately 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your vehicle parked at almost any incline.
 





Water resistant

Waterproof
The all-weather, waterproof design of Spektrum™ Firma™ ESCs enables them to carry out in almost any surface under almost any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.
 

High-adjustability Programming Options

High-adjustability Programming Options
Using the Spektrum ESC Programming Box (version V2 required) , you can quickly alter settings on the path to suit driving conditions. A user friendly Smart Link USB Updating and PC Developer app is likewise readily available.
 



Requirements

Application: 1/10 Rock Crawler

Automobile Cutoff: Yes

BEC Voltage: 6V/7.4V Adjustable, Constant Present 4A (Switch Mode)

Adapter Type: IC3

Forward: Yes

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

Optimum Burst Current: 160A

Optimum Constant Present: 40A

Motor Size: 550-Size

Motor Type: Brushless - Sensored

Number of Poles: 4

Outer Diameter: 1.46" (37 mm)

Overload Protection: Yes

Product Length: 2.28" (58 mm)

Product Weight: 201g (consisting of wire plug)

Programmable: Yes

Reverse: Yes

RPM/Volt (Kv): 2300Kv

Shaft Diameter: 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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