2-in-1 ESC Motor Combo: Compact option for detailed scale builds 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 waterproof system provides industry leading waterproof and dustproof operation for worry-free driving in mud, sand, snow and water
The Spektrum Firma Sensored 2-in-1 System is specifically engineered to be used with 10th scale Crawlers and Scalers. Featuring advanced Field-orientated Control (FOC) and professional drag brake performance and torque control, all while being fully waterproof.
The compact 2-in-1 design grants builders the ability to reduce clutter and components, giving you the most room for scale accessories and customization. The integrated design makes the size similar 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 extreme slow speed and high angle of attack performance. And a high speed 2300Kv for excellent control for trailers and rock bouncers.
The Spektrum Firma Sensored 2-in-1 System features a high-precision magnetic encoder and rotor position sensor that provides excellent 1 to 1 control feel when driving at any speed and at any angle. Perfectly suited for trail driving, rock crawling competitions and rock racing setups. This advancement in sensored motor control allows the ESC to match your throttle input to the motors RPM with unmatched precision.
The Spektrum Firma Sensored 2-in-1 System provides a closed loop control, ensuring that the esc maintains torque and RPM levels even as driving conditions change. Giving unprecedented control when driving uphill or downhill and even when in wet or loose traction conditions. No matter the terrain, the Spektrum Firma Crawler system keeps you in complete control.
When driving with the Spektrum Firma Sensored 2-in-1 System, drivers are better equipped for the long trails ahead. The Spektrum Firma Sensored 2-in-1 System only uses the power it needs to match your desired throttle output, providing substantially more efficient current levels and extremely long battery life when compared with similar sensorless systems.
The Spektrum Firma Sensored 2-in-1 System features a huge range of drag brake adjustability, allowing for drivers to expertly tune their crawlers and scalers depending on their driven train and vehicle weight. Allowing up to 200% drag power, no matter the setup, the Spektrum Firma Sensored 2-in-1 System can keep your vehicle parked at nearly any incline.
The all-weather, waterproof design of Spektrum™ Firma™ ESCs allows them to perform in nearly any terrain under almost any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.
Using the Spektrum ESC Programming Box (version V2 required) , you can easily change settings on the trail to suit driving conditions. An easy-to-use Smart Link USB Updating and PC Programmer app is also available.
| Application | 1/10 Rock Crawler |
| Auto Cutoff | Yes |
| BEC Voltage | 6V/7.4V Adjustable, Continuous Current 4A (Switch Mode) |
| Connector 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 Protection | Yes |
| Product Length | 2.28" (58 mm) |
| Product 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 |
Horizon Hobby RC Club:
The points displayed are points you will earn based on your membership level and the cost value of the product. Be sure you are Signed In to your account to see the most accurate points you will earn on your purchase.
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Points per $1 Spent |
Standard |
Pro |
Legend |
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10 |
12.5 |
15 |
2000 points = $5 Discount
Points displayed here do not include Bonus Points for select product. If the product is marked with the Bonus Points badge you will also earn the extra "Bonus Points" points listed in the banner in addition to the calculated points displayed
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