T-Motor / T-Hobby AM66A Brushless ESC

T-Motor / T-Hobby AM66A 66A 3–6S ESC for 3D RC Airplanes

The T-Motor / T-Hobby AM66A 66A ESC is a competition-grade electronic speed controller engineered specifically for 48–52 inch 3D RC airplanes, freestyle aircraft, and high-performance fixed-wing models. Designed to deliver exceptionally fast throttle response, stable power output, and reliable servo power, the AM66A is an ideal match for demanding 3D and aerobatic applications.

Supporting 3S–6S LiPo batteries, the AM66A delivers a 66A continuous current rating with up to 86A peak current. Its high-performance 32-bit ARM microprocessor operating at up to 48MHz provides precise motor control and rapid throttle response, helping pilots achieve the immediate power changes required for hovering, waterfalls, pop-tops, torque rolls, and other aggressive 3D maneuvers.

A major advantage of the AM66A is its powerful integrated 10A UBEC, capable of handling the electrical demands of high-torque digital servos commonly found in modern aerobatic aircraft. The BEC output voltage can be adjusted between 5.8V, 7.4V, and 8.2V, allowing pilots to optimize their system for standard or high-voltage servos.

The AM66A is particularly well matched with the T-Hobby AM480 motor series and is the recommended ESC for AM480-powered 48–52" 3D aircraft. When paired with the optional T-Hobby AM Link, pilots can access ESC programming and flight data through supported Windows and Android software.

Key Features:

• 66A continuous-current fixed-wing ESC

• 86A peak current

• Supports 3S–6S LiPo batteries

• Designed for 48–52" / 30E class 3D RC airplanes

• Optimized for 3D, freestyle, and aerobatic flying

• High-performance 32-bit ARM processor

• Processor operating frequency up to 48MHz

• Fast, precise throttle response for demanding 3D maneuvers

• Integrated high-power 10A UBEC

• Up to 20A instantaneous BEC output

• Adjustable BEC voltage: 5.8V / 7.4V / 8.2V

• Supports high-power digital and HV servos

• Compatible with the T-Hobby AM Link programming and data interface

• Windows and Android programming support

• Recommended for T-Hobby AM480 motors

• Also compatible with select T-Hobby AT/AS 28 Series motors

• Compact size: approximately 56.6 x 38.8 x 18.5 mm

• Lightweight design at approximately 63.4 g

• 14AWG power and motor wiring

• 3.5mm female motor connectors

• Designed for continuous, stable power delivery and reliable operation

For pilots building a high-performance 48", 50", or 52" electric 3D airplane, the T-Hobby AM66A ESC provides the current capacity, powerful adjustable BEC, and responsive throttle control needed for serious aerobatic flying. Paired with an AM480 600KV or 900KV motor, the AM66A creates a lightweight and highly responsive power system built for precision 3D, freestyle, and aggressive aerobatic performance.

Compatible with AM Link (sold separately)

Click here to download the programming manual