Skip to content
  • 💰 Save big on your favorite styles🛍️ 20% off all purchases 💳
  • 💰 Save big on your favorite styles🛍️ 20% off all purchases 💳
Spektrum SalesSpektrum Sales
  • Menu
    • No products in the cart.

      Return to shop

  • Cart

    No products in the cart.

    Return to shop

  • 1/10 Scale
    • Electric Motors
    • Esc/motor Combos
    • Esc Controllers
  • Servos
    • Standard
    • Mini & Micro
    • Large Scale
    • Continuous Rotation
  • Electric Motor Parts
    • Fans & Heatsinks
    • Rotors
    • Sensor Cables
    • Hardware
    • Bearings
    • Endbells & Faceplates
    • Sensors
    • Brushes & Springs
    • Stators
  • Wire & Connectors
    • Connectors
    • Wire
    • Pig Tails
    • Heat Shrink Tubing
    • Solder
  • Receivers
    • Boats
    • Helicopters
    • Airplanes
Home / 1/10 Scale / Esc Controllers
-30%
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 2
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 3
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 4
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 5
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 6
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 7
Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC - Image 8

Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC

$51.99 Original price was: $51.99.$36.39Current price is: $36.39.

Buy Now
SKU: 1445295 Categories: 1/10 Scale, Esc Controllers Tag: Spektrum RC
  • Excellent customer service online in a timely manner
  • Friendly, efficient service, always online.
  • Safe and Secure Payments, Always
  • Best price, safe shopping guarantee
Browse
  • 1/10 Scale
    • Electric Motors
    • Esc Controllers
    • Esc/motor Combos
  • Electric Motor Parts
    • Bearings
      • Rock Crawlers
    • Brushes & Springs
      • Rock Crawlers
    • Endbells & Faceplates
      • Rock Crawlers
    • Fans & Heatsinks
      • Rock Crawlers
    • Hardware
      • Cars & Trucks
      • Rock Crawlers
    • Rotors
      • Rock Crawlers
    • Sensor Cables
      • Rock Crawlers
    • Sensors
      • Rock Crawlers
    • Stators
      • Rock Crawlers
  • Receivers
    • Airplanes
      • Electronics
    • Boats
      • Electronics
    • Helicopters
      • Electronics
  • Servos
    • Continuous Rotation
      • Cars & Trucks
    • Large Scale
      • Analog
      • Digital
      • High Voltage
    • Mini & Micro
      • Analog
      • Digital
      • Helicopter Tail
      • High Voltage
    • Standard
      • Analog
      • Brushless
      • Digital
      • Helicopter Tail
      • High Voltage
  • Uncategorized
  • Wire & Connectors
    • Connectors
      • Bullet
      • Plug
    • Heat Shrink Tubing
      • Airplanes
    • Pig Tails
      • Airplanes
    • Solder
      • Airplanes
    • Wire
      • Airplanes
      • Cars & Trucks
  • Description
  • Reviews (0)

This is the Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC. Designed as a waterproof ready to use 1/10 scale brushed ESC this Firma 70 amp is an excellent option for everything from on-road and off-road racers, scalers, crawlers, and bashers. This Firma Smart ESC is packed with features such as Spektrum RC’s SMART technology. SMART provides a one-wire solution for obtaining telemetry data such as temperature, battery voltage and capacity. Additionally the Firma 70 offers a plethora of programmable tuning options giving you the utmost control over any application. 

Features:

  • Smart all-in-one telemetry
  • Smart Lite functionality:
    • Provides Spektrum Smart ESC data such as input voltage, esc temperature, esc amperage, and Text Gen Telemetry data over one wire. No additional sensors required. Smart Lite ESCs do not provide Smart Battery data.
  • Integrated LED light power outputs for simple installation without the need of additional receiver ports
  • 70 Amp continuous power – ideal for 1/10 scale crawlers and scalers
  • 2S-3S LiPo Compatible
  • Multiple options for easy programming:
    • Smart ESC Programming Box
    • SmartLink USB Updating and Programmer application
    • Programming from Transmitter via Text Gen Telemetry
  • Waterproof ESC*
  • 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
  • Compact for easy installation in most applications
  • Ready to install — no soldering required
  • Aluminum heat sink for high efficiency
  • Adjustable high-power BEC (6V or 7.4V, 4amp)
  • Firmware updatable through the Smart ESC Programming Box
  • High heat-resistant IC connectors, backwards compatible with EC connectors
  • Limited 1-year warranty

Specifications:

Motor Type: Brushed
Connector Type: 4mm Bullet, IC3
Motor Limit: 8.4V: Down to 12T / 12.6V: Down to 35T
Motor Size: 540 / 550 Size Brushed Motors
Length: 1.41″ (36mm)
Height: 0.71″ (18mm)
Width: 1.18″ (30mm)
Weight: 1.76oz (50g)
Technology: Smart
Auto Cutoff: Yes
Low-Voltage Cutoff Programmable: Yes
Programmable: Yes
Reverse: Yes
BEC Continuous Current: 4A (Shared Between Receiver and Aux Light Outputs)
BEC Voltage: 6V / 7.4V User Selectable
Input Voltage
: 2–3 Cell Li-Po/Li-Fe; 5–9 Cell Ni-MH/Ni-Cd
Maximum Continuous Current: 70A
Maximum Burst Current: 200A
Water-Resistant: Yes

Includes:

  • (1) Spektrum Firma 70A Brushed Smart ESC
  • (2) Light Strings (Red and White)
  • (1) Product Manual

This product was added to our catalog on November 1, 2022

Reviews

There are no reviews yet.

Be the first to review “Spektrum RC Firma 70 Amp Smart Waterproof Brushed ESC” Cancel reply

Related products

-30%
Hobbywing Quicrun 3650 G2 Sensored Brushless Motor (25.5T)
Quick View

Hobbywing Quicrun 3650 G2 Sensored Brushless Motor (25.5T)

$54.99 Original price was: $54.99.$38.49Current price is: $38.49.
-72%
Reedy Blackbox 510R 1S Competition Brushless ESC W/PROgrammer 2
Quick View

Reedy Blackbox 510R 1S Competition Brushless ESC W/PROgrammer 2

$349.99 Original price was: $349.99.$98.99Current price is: $98.99.
-69%
Hobbywing XR10 Pro G2S Sensored Brushless ESC/V10 G4 Motor Combo (21.5T)
Quick View

Hobbywing XR10 Pro G2S Sensored Brushless ESC/V10 G4 Motor Combo (21.5T)

$319.99 Original price was: $319.99.$97.99Current price is: $97.99.
-30%
Hobbywing Xerun D10 Drift Brushless Motor (10.5T) (Purple)
Quick View

Hobbywing Xerun D10 Drift Brushless Motor (10.5T) (Purple)

$119.99 Original price was: $119.99.$83.99Current price is: $83.99.
-30%
Hobbywing XR10 Justock G3 Sensored Brushless ESC/SD G2.1 Motor Combo (25.5T)
Quick View

Hobbywing XR10 Justock G3 Sensored Brushless ESC/SD G2.1 Motor Combo (25.5T)

$109.99 Original price was: $109.99.$76.99Current price is: $76.99.
-30%
Reedy Sonic 540-M4 Modified Brushless Motor (3.5T)
Quick View

Reedy Sonic 540-M4 Modified Brushless Motor (3.5T)

$114.99 Original price was: $114.99.$80.49Current price is: $80.49.
-30%
Hobbywing Xerun Bandit G2R Competition Brushless Motor (17.5T)
Quick View

Hobbywing Xerun Bandit G2R Competition Brushless Motor (17.5T)

$89.99 Original price was: $89.99.$62.99Current price is: $62.99.
-30%
Yokomo ZERO-S Drift Brushless Motor (13.5T) (Black)
Quick View

Yokomo ZERO-S Drift Brushless Motor (13.5T) (Black)

$80.99 Original price was: $80.99.$56.69Current price is: $56.69.
MY ACCOUNT
  • Cart
  • Checkout
  • My account
  • Wishlist
ABOUT US
  • About Us
  • FAQ
  • Returns & Exchanges
  • Delivery
  • Contact Us
LEGAL
  • Privacy Policy
  • Payment Method
  • Shipping & Returns
  • Term and Conditions
SIGNUP FOR NEWSLETTER
Subscribe to be the first to hear about our exclusive offers and latest arrivals
[contact-form-7 id="15"]
Copyright 2025 © Spektrum Sales
  • 1/10 Scale
    • Electric Motors
    • Esc/motor Combos
    • Esc Controllers
  • Servos
    • Standard
    • Mini & Micro
    • Large Scale
    • Continuous Rotation
  • Electric Motor Parts
    • Fans & Heatsinks
    • Rotors
    • Sensor Cables
    • Hardware
    • Bearings
    • Endbells & Faceplates
    • Sensors
    • Brushes & Springs
    • Stators
  • Wire & Connectors
    • Connectors
    • Wire
    • Pig Tails
    • Heat Shrink Tubing
    • Solder
  • Receivers
    • Boats
    • Helicopters
    • Airplanes
  • Login

Login

Lost your password?

Register

Your personal data will be used to support your experience throughout this website, to manage access to your account, and for other purposes described in our privacy policy.