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Firma 120A Black Edition Brushless Smart ESC, 3S-4S
Item No.
Spektrum Accessories -
SPMXSE2120
$119.99
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This product may require additional items in order to work out of the box. See below for required items that may be needed to complete.
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SPMXSE2120
Smart ESC Programming Update Box: Avian and Firma
SPMXCA200
In Stock
$29.99
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SPMXSE2120
14.8V 5000mAh 4S 100C Smart Hardcase LiPo Battery: IC5
SPMX50004S100H5
In Stock
$109.99
SPMXSE2120
14.8V 5000mAh 4S 30C Smart LiPo Hardcase LiPo Battery: IC5
SPMX50004S30H5
In Stock
$89.99
SPMXSE2120
14.8V 5000mAh 4S 50C Smart Hardcase LiPo Battery: IC5
SPMX50004S50H5
In Stock
$99.99
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SPMXSE2120
Firma 3150Kv Brushless Motor, 4mm Bullet
SPMXSM1000
In Stock
$59.99
SPMXSE2120
Firma 3300Kv Brushless Motor
SPMXSM1300
In Stock
$44.99
SPMXSE2120
Firma 4000Kv Brushless Motor
SPMXSM1400
In Stock
$44.99
SPMXSE2120
Firma 1900Kv Brushless Motor
SPMXSM1600
In Stock
$104.99
SPMXSE2120
Firma 1900Kv 4-Pole Brushless Motor
SPMXSM2200
In Stock
$68.99
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Product Overview
Like every component in the Spektrum™ Smart ecosystem, Firma™ Smart ESCs combine "plug-and-play" simplicity with the ability to communicate with other Smart electronics — together, creating the best-performing RC system for your vehicle imaginable.
Firma Smart ESCs do much more than regulate power. They function like a virtual engineer inside your model, providing a direct path to the vital operating data you need to reach peak performance. Firma Smart ESCs give you an extra layer of confidence that your electronics are all operating at their best.
With Firma Smart ESCs, you'll be better connected to your vehicle than ever before — without installing extra components that all work independently of each other. You won't need extra wires, modules, or links. A Firma electronic speed control provides a one-wire solution for obtaining telemetry data such as RPM, temperature, battery voltage and capacity.
Firma ESCs not only gather the data but also send it to your transmitter in real time, instead of only storing it for after-run study. You're able to adjust settings as needed to boost performance on the go. The Firma Smart single-wire telemetry solution has been tested for quality and performance by the best brands in RC. Their verdict? Smart technology is both simpler and superior!
Product Features
- Smart all-in-one telemetry
- Fast, powerful 32-bit ARM M4 processor
- Waterproof
- Multiple options for easy programming:
- Button programming
- Smart ESC Programming Box
- SmartLink USB Updating and Programmer application
- Multi-point protection:
- Over-current protection
- Automatic LiPo low-voltage cutoff
- Thermal protection
- Failsafe protection
- Developed and designed by Spektrum™ engineers, in partnership with the industry's leading ESC manufacturer
- Ideal for 1/8th scale surface applications running on 4s Lipo setups
- High current adjustable BEC (6v or 7.4v @ 4 Amps)
- Compact for easy installation in most applications
- Ready to install — no soldering required
- Rugged plastic case with mounting tabs
- Aluminum heat sink for high efficiency
- Cooling fan
- Adjustable high-power BEC
- Firmware updatable through the Smart ESC Programming Box
- High heat-resistant IC™ connectors, backwards compatible with EC™ connectors
- Limited 1-year warranty
WATERPROOF
The all-weather, waterproof design of Spektrum™ Firma™ Smart ESCs allows them to perform in nearly any terrain under almost any conditions. Firma ESCs keep you going through dust, gravel, snow, and water.
EC3™/EC5™ BACKWARDS COMPATIBLE
Firma™ ESCs feature IC™ series battery connectors. The IC series of connectors are designed from the ground up to provide a more solid connection, higher heat resistance, and effortless installation. When used with an IC3™ or IC5™ connector-equipped Spektrum™ Smart battery, the ESC can receive and transmit battery telemetry data. EC3 and EC5 are also compatible with Firma ESCs for basic operation and ESC telemetry.
ONE-WIRE TELEMETRY
No need to connect multiple wires, sensors, modules, and links. With Firma™ ESCs, simple one-wire telemetry transmits a wide range of data directly to your transmitter in real time, including RPM, voltage, temperature, balance, capacity, and speed.*
*See compatibility chart for more information.
SMART TECHNOLOGY BATTERY DATA
When used with a Spektrum™ Smart LiPo battery, your Firma™ ESC provides you with the benefit of battery telemetry that's automatically transmitted to your compatible Spektrum radio in real time. On your transmitter screen you'll be presented with helpful information such as number of cycles, battery percentage, individual cell voltage and more!
MULTIPLE PROGRAMMING OPTIONS
Multiple programming options are available. Button programming can be used with nothing more needed. Using the Smart Firma™ ESC Programming Box, you can easily change settings at the track to suit driving conditions. An easy-to-use Smart Link USB Updating and PC Programmer app is also available.
FAST, POWERFUL M4 PROCESSOR
The Firma™ ESCs' 32-bit M4 processor produces higher resolution signal input and more accurate motor output.
Product Specs
Amperage
Application
Auto Cutoff
Battery Input Lead
BEC
BEC Continous Current
BEC Voltage
Brakes
Connector Type
Drive Type
ESC Type
Input Voltage
Low-Voltage Cutoff Programmable
Max Input Voltage
Maximum Burst Current
Maximum Continuous Current
Motor Output Lead
Output Connector
Overload Protection
Product Application
Product Height
Product Length
Product Weight
Product Width
Programmable
Programming Options
Reverse
Technology
Time Delay Brake
Water-Resistant
Compatibility
No results for your given fitment filters
Video Overview
Get Info From Communities
The Spektrum Firma 120A Smart ESC for surface vehicles is waterproof and delivers power and intelligence all-in-one. Without additional sensors or modules, they feed battery and ESC telemetry data straight to your radio in real time, all over one connection.
Product Details
In The Box
- (1) Spektrum™ Firma™ Smart ESC
- (1) Spektrum Smart Sticker Sheet
- (1) Product Manual
Needed to Complete
- (1) Spektrum™ Surface Receiver
- (1) Spektrum Smart Technology LiPo Battery
- (1) Spektrum Transmitter
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