HobbyWing XRotor 45A 4-in-1 ESC (20x20 / AM32 / 3-6S)

The Hobbywing XRotor FPV 20x20 ESC is a compact, high-performance electronic speed controller designed for tight builds and lightweight racing drones. With AM32 firmware and a 20x20mm mounting footprint, it delivers precise throttle control, efficient power delivery, and reliable performance on 3S–6S setups. Ideal for micro to mid-size FPV rigs, this ESC combines advanced signal support with robust construction to handle aggressive flying in a smaller form factor.

FEATURES:

• Compact 20x20mm mounting footprint for tight builds
• AM32 open-source 32-bit firmware for advanced configurability
• Supports 3S–6S LiPo input for versatile power setups
• High-speed signal compatibility: DShot150/300/600/1200, PWM, Oneshot, Multishot
• Damped light mode for active braking and smoother control
• DEO (Driving Efficiency Optimization) for improved motor response
• Beacon functionality to help locate lost drones
• Efficient heat dissipation design for stable performance under load 

SPECIFICATIONS:

• Part#: 30902065
• Voltage Input: 3S–6S LiPo (11.1V–22.2V)
• Firmware: AM32
  
• Continuous Current: 45A x 4
  
• Burst Current: 60A (10 sec)
  
• Mounting Dimensions: 20mm × 20mm (M2 standard stack)
• Firmware: AM32 (open-source 32-bit ESC firmware)
• Microcontroller: 32-bit MCU running up to 120MHz
• PWM Frequency: Up to 128KHz
• Weight: 12g
• Dimensions: 40x33x5mm
• Signal Protocols Supported: PWM, Oneshot125 / Oneshot42, Multishot, DShot150 / DShot300 / DShot600 / DShot1200
• Motor Control Features: Damped light mode (active braking), DEO (Driving Efficiency Optimization), Sync loss prevention, Throttle range calibration, Motor direction configuration
• Beacon Function: Audible alert after idle time to help locate lost drones
• Cooling: Integrated heat dissipation design for stable performance

HELPFUL LINKS:

• Manual

INCLUDES:

(1) HobbyWing XRotor 45A 4-in-1 ESC
(1) Capacitor (for voltage filtering and stability)
(1) Power lead or XT60 pigtail (varies by bundle)
(1) Mounting hardware (screws or soft mounts, depending on packaging)
(1) Signal wire set (for flight controller connection)
(1) User manual or quick-start guide

NOTES:

• Manufacturer upgrades, alterations, and processor/firmware changes are frequently made without prior notice. Exact specifications, photos, and links cannot be guaranteed.