The GOKU G45M is a high-performance ESC with a 45A continuous current rating and 32-bit processing speed. It features AM32 firmware, supporting bidirectional DSHOT and telemetry, with a maximum refresh rate of 128K.
Key features include the AT32 dual-in-one chip, imported MOSFETs, high-quality ceramic capacitors, and a 6-layer PCB design, reducing heat and improving efficiency. Compatible with DShot1200, PWM, and Oneshot signals, the GOKU G45M ensures an exceptional flying experience.
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Top highlights
Wide Voltage Compatibility (2‑6S LiPo) – Works with a broad range of drone battery setups.
High‑Performance 32‑bit AT32 Chip – Fast processing for smooth throttle control and response.
Supports DShot1200 & Telemetry – Bi‑directional DSHOT and telemetry make tuning easier.
128K PWM Refresh Rate – Ultra‑fast refresh for precise motor output and better flight feel.
Compact 20×20 Mount – Lightweight and space‑saving ESC ideal for 3″‑5″ FPV builds.
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Highlights
1. High-Performance Chip: Utilizes the new generation AT32 dual-in-one main control chip.
2. Quality Components: Imported MOSFETs and high-quality ceramic capacitors for improved efficiency and performance.
3. Powerful Functions: Supports bi-directional DSHOT and data telemetry for easy flight control.
4. Compatibility: Supports various setting and upgrading methods, compatible with multiple throttle signals.
The Flywoo GOKU G45M 32BIT 128K ESC is a high‑performance 4‑in‑1 ESC built for agile FPV drones. It supports 2‑6S LiPo battery voltage, offering flexibility across power levels for 3″‑5″ quad builds. Designed around a 32‑bit AT32 dual‑in‑one main control chip, and using imported MOSFETs with high‑quality ceramic capacitors, it delivers efficient power output and lower heat generation.
With wide protocol support — including DShot150/300/600/1200, PWM, and Oneshot — this ESC ensures precise, responsive throttle control. Its 128K PWM refresh rate provides ultra‑fast signal handling for smoother motor performance and better flight behavior. A built‑in current sensor and telemetry compatibility enable real‑time monitoring and easier tuning. The compact 20×20 mm mounting pattern and lightweight design make it perfect for tight FPV frames where both power and weight matter.
Includes essential accessories like XT30 power cable, ESC‑to‑FC signal cable, capacitor, and shock‑absorbing mounts for easy installation.
High-Speed DShot1200 ESC with 128kHz Refresh
Supports DShot1200 and 128kHz refresh rate for ultra-fast response and strong anti-interference. Compatible with PWM, Oneshot, and other throttle signals, ensuring smooth and precise motor control.
Enhanced Efficiency and Performance ESC
Equipped with a high-performance AT32 chip, imported MOSFETs, and ceramic capacitors, the GOKU G45M 45A ESC delivers efficient, stable power and smooth operation. Supports bi-directional DShot and data telemetry for precise motor control and real-time feedback.
Finding the right FPV ESC for compact, high-performance FPV builds can often feel like a compromise between size and raw power. The Flywoo GOKU G45M 45A 4-in-1 ESC disrupts this tradeoff by bringing 32-bit AM32 firmware and a hefty 45A continuous current rating to a tiny 20x20mm mounting footprint. This combination is extremely rare on the market. Traditionally, higher-current ESCs were dominated by 30.5×30.5mm designs, while compact 20×20mm ESCs usually offered lower current ratings. The GOKU G45M perfectly fills the sweet spot for pilots who need a compact form factor without sacrificing high power, making it ideal for space-constrained 3.5 to 5-inch freestyle and racing builds.
Pros and Cons of the Flywoo GOKU G45M
Before adding this ESC to your build list, consider the following benefits and hardware considerations:
Pros:
● Powered by open-source AM32 firmware, making tuning extremely convenient without proprietary restrictions.
● Delivers 45A continuous current in a compact 20x20mm form factor, offering an outstanding power-to-weight ratio.
● Native 128kHz PWM support provides high efficiency, low heat generation, and superior throttle linearity.
● 6-layer PCB thermal and filtering design delivers exceptional performance against high-frequency electrical noise.
Cons:
● The high-density 20x20mm layout results in relatively compact solder pads; beginners will need a fine soldering tip.
● Requires careful attention to clearance and insulation when soldering the main power leads alongside the capacitor.
A Comparison between Flywoo GOKU G45M and Skystars KO45
Although both 4-in-1 ESCs share a 45A continuous current rating and support 3–6S LiPo input, they differ fundamentally in mounting dimensions, MCU/firmware architecture, and target applications.
● Choose the Flywoo GOKU G45M if you are building a micro drone with a 20x20mm flight stack and want superior stick feel, smooth low-throttle linearity, and the rich tuning features of AM32.
● Choose the Skystars KO45 if your frame only fits a 30.5x30.5mm mounting pattern and you are on a budget looking for a basic, durable, entry-level full-size ESC.
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