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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 Jul 14, 2025 09:15:36 AM

Firma 2 in 1 Brushless Cr...


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Secret Advantages
2-in-1 ESC Motor Combo: Compact choice|choice|alternative} for comprehensive scale develops where area is minimal
Advanced Sensored Motor Control: Great for slow speed driving and next level drag brake performance
IP-67 Waterproof Design: The IP-67 waterproof system offers market leading waterproof and dustproof operation for carefree driving in mud, sand, snow and water





Multi-point Defense:

Over-current security

Automatic LiPo low-voltage cutoff

Thermal security

Failsafe security





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 waterproof system

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

Developed and created by Spektrum™ engineers, in collaboration with the market's leading ESC and Brushless Motor manufacturer

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

All set to install — no soldering needed

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

Firmware updatable through the Spektrum ESC Shows Box

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

Minimal 1-year service warranty





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

The compact 2-in-1 style grants builders the ability to lower clutter and components, offering you the most room for scale devices and personalization. The integrated style 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 alternative for severe slow speed and high angle of attack performance. 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 sensing unit that offers exceptional 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 advancement 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, ensuring that the esc keeps torque and RPM levels even as driving conditions change. Giving unprecedented 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 complete control.
 





Maximum Power Effectiveness Supplies Longer Battery Life

Maximum Power Efficiency Provides Longer Battery Life
When driving with the Spektrum Firma Sensored 2-in-1 System, chauffeurs are better equipped for the long tracks ahead. The Spektrum Firma Sensored 2-in-1 System only utilizes the power it needs to match your desired throttle output, supplying significantly more effective existing levels and incredibly long battery life when compared with comparable sensorless systems.
 

Pro-Level Drag Brake Change

Pro-Level Drag Brake Adjustment
The Spektrum Firma Sensored 2-in-1 System features a huge range of drag brake adjustability, permitting chauffeurs to expertly tune their crawlers and scalers depending upon their driven train and car weight. Enabling as much as 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your car parked at almost any incline.
 





Water resistant

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

High-adjustability Shows Options

High-adjustability Programming Options
Utilizing the Spektrum ESC Shows Box (version V2 needed) , you can easily change settings on the trail to suit driving conditions. An easy-to-use Smart Link USB Updating and PC Developer app is also offered.
 



Requirements

Application: 1/10 Rock Spider

Automobile Cutoff: Yes

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

Adapter Type: IC3

Forward: Yes

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

Maximum Burst Current: 160A

Maximum Continuous Current: 40A

Motor Size: 550-Size

Motor Type: Brushless - Sensored

Number of Poles: 4

Outer Diameter: 1.46" (37 mm)

Overload Defense: 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)

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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