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

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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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List Price:  $183.99
Price:  $159.99
You Save:  $24 (13%)

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Updated on Jul 12, 2024 07:14:51 PM

Firma 2 in 1 Brushless Cr...

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Secret Advantages
2-in-1 ESC Motor Combination: Compact choice|choice|alternative} for comprehensive scale constructs where area 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 Defense:

Over-current protection

Automatic LiPo low-voltage cutoff

Thermal protection

Failsafe protection


Pro-level Drag Brake efficiency and adjustability

RPM/Throttle Matching enabled

FOC (Field-Oriented Control) geared up

Integrated 40-amp ESC (160amp burst)

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

IP-67 ranked waterproof system

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

Developed and developed by Spektrum™ engineers, in collaboration with the industry's leading ESC and Brushless Motor producer

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

Prepared to set up — no soldering required

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

Firmware updatable through the Spektrum ESC Programs Box

High heat resistant IC3 adapters, backwards suitable with EC3 adapters

Limited 1-year service warranty

The Ultimate Compact Crawler Service
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 professional drag brake efficiency and torque control, all while being totally waterproof.

The compact 2-in-1 style grants contractors the ability to lower mess and components, offering you the most space for scale devices and customization. The incorporated style makes the size comparable to a 550 can size motor, making it a easy drop-in option for most 1/10 scale crawler, 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 exceptional 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 exceptional 1 to 1 control feel when driving at any speed and at any angle. Completely fit 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 unmatched accuracy.

Smart Speed and Torque Control

Intelligent Speed And Torque Control
The Spektrum Firma Sensored 2-in-1 System offers a closed loop control, making sure that the esc preserves torque and RPM levels even as driving conditions alter. Offering extraordinary control when driving uphill or downhill and even when in damp or loose traction conditions. No matter the terrain, the Spektrum Firma Crawler system keeps you in complete control.

Optimum Power Effectiveness Offers Longer Battery Life

Maximum Power Efficiency Provides Longer Battery Life
When driving with the Spektrum Firma Sensored 2-in-1 System, motorists are better geared up for the long trails ahead. The Spektrum Firma Sensored 2-in-1 System only utilizes the power it needs to match your preferred throttle output, supplying substantially more efficient current levels and extremely long battery life when compared with comparable sensorless systems.

Pro-Level Drag Brake Adjustment

Pro-Level Drag Brake Adjustment
The Spektrum Firma Sensored 2-in-1 System includes a substantial variety of drag brake adjustability, allowing for motorists to expertly tune their spiders and scalers depending on their driven train and automobile weight. Enabling approximately 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your automobile parked at nearly any slope.


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

High-adjustability Programs Options

High-adjustability Programming Options
Using the Spektrum ESC Programs Box (version V2 required) , you can quickly alter settings on the trail to fit driving conditions. An easy-to-use Smart Link USB Updating and PC Developer app is also offered.


Application: 1/10 Rock Crawler

Auto Cutoff: Yes

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

Adapter Type: IC3

Forward: Yes

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

Optimum Burst Current: 160A

Optimum Constant Existing: 40A

Motor Size: 550-Size

Motor Type: Brushless - Sensored

Variety of Poles: 4

Outer Diameter: 1.46" (37 mm)

Overload Defense: Yes

Item Length: 2.28" (58 mm)

Item Weight: 201g (including 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
Proline Hyrax 2.2" G8 Rock Terrain Truck Tires (2) F/R
This Item: Spektrum Firma 2 in 1 Brushless Cr
Spektrum Smart ESC Programming Update Box: Avian and Firma
Proline Hyrax 2.2" G8 Rock Terrain Truck Tires (2) F/R

Total Price: $223.97

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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