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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 Jan 8, 2026 11:32:29 AM

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 constructs where space is limited
Advanced Sensored Motor Control: Great for slow speed driving and next level drag brake performance
IP-67 Waterproof Design: The IP-67 water resistant system provides market leading water resistant and dustproof operation for stress-free driving in mud, sand, snow and water





Multi-point Security:

Over-current protection

Automatic LiPo low-voltage cutoff

Thermal protection

Failsafe protection





Features

Pro-level Drag Brake performance 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 water resistant system

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

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

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

All set to set up — no soldering needed

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

Firmware updatable through the Spektrum ESC Programming Box

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

Restricted 1-year warranty





The Ultimate Compact Spider Solution
The Spektrum Firma Sensored 2-in-1 System is particularly crafted to be utilized with 10th scale Spiders and Scalers. Featuring advanced Field-orientated Control (FOC) and professional drag brake performance and torque control, all while being completely waterproof.

The compact 2-in-1 style grants builders the ability to reduce mess and parts, giving you the most space for scale accessories and personalization. The integrated 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 alternative for severe slow speed and high angle of attack performance. And a high speed 2300Kv for outstanding 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 sensing unit that provides outstanding 1 to 1 control feel when driving at any speed and at any angle. Completely suited for path driving, rock crawling competitors and rock racing setups. This development in sensored motor control enables the ESC to match your throttle input to the motors RPM with unrivaled accuracy.
 

Smart Speed and Torque Control

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





Maximum Power Performance Provides Longer Battery Life

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

Pro-Level Drag Brake Modification

Pro-Level Drag Brake Adjustment
The Spektrum Firma Sensored 2-in-1 System features a huge series of drag brake adjustability, enabling chauffeurs to skillfully tune their spiders and scalers depending on their driven train and car weight. Allowing up to 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your car parked at almost any slope.
 





Waterproof

Waterproof
The all-weather, water resistant style of Spektrum™ Firma™ ESCs enables them to perform in almost any terrain under nearly 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 needed) , you can easily alter settings on the path to suit driving conditions. A user friendly Smart Link USB Upgrading and PC Programmer app is likewise readily available.
 



Specs

Application: 1/10 Rock Spider

Auto Cutoff: Yes

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

Port Type: IC3

Forward: Yes

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

Maximum Burst Current: 160A

Maximum Continuous Existing: 40A

Motor Size: 550-Size

Motor Type: Brushless - Sensored

Number of Poles: 4

External Size: 1.46" (37 mm)

Overload Security: 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)

Waterproof: 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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