GOKU F405 SE 3-4S 20A AIO Plug & Play O4/O4 Pro

Micro FPV enthusiasts have long struggled with tedious assembly, messy wiring, excessive soldering, and the trade-off between flight controller performance and weight. Our GOKU F405 SE 3-4S 20A AIO solves all these. Designed specifically for 2-inch and 2.5-inch drones with deep compatibility for Firefly 25mini 3S and Firefly 20pro 4S, it reimagines HD FPV building and flying. Powered by STM32F405 and ICM42688-P/ MPU6000 gyro for responsive, butter-smooth control. Features dedicated dual BEC for direct DJI O4 Air Unit connection on 3-4S (no extra BEC needed). Full plug-and-play ports mean only motor wires require soldering – easy even for beginners. At just 6.5g with standard 20×20mm mounting, it delivers the perfect balance of functionality and lightness. Package Includes: 1x GOKU F405 SE 3-4S 20A AIO 5x M2X10 cup head screws 5x M2 nylon nuts 5x M2*6.6 shock-absorbing balls 1x 220U 25V capacitor 1x XT30 Male 18WG power cord 1x Buzzer Connection Cable 1x GPS Connection Cable 1x O4\O4 PRO Connection Cable 1x Receiver Connection Cable Feautres: Butter-Smooth Flight – STM32F405 MCU + ICM42688-P (MPU6000) gyro for ultra-responsive, jitter-free control Powerful & Efficient – 20A continuous / 25A peak current, supports 3-4S LiPo batteries Plug-and-Play HD FPV – Dual BEC (10V/2A + 5V/2A) for direct DJI O4/Air Unit connection, no extra regulators needed Beginner-Friendly Build – Full plug-and-play ports, only motor wires require soldering Ultra-Light & Compact – 20×20mm standard footprint, only 6.5g, deeply optimized for Firefly 25mini 3S & 20pro 4S Unlimited Flight Modes – Onboard 8MB black box, supports Betaflight/INAV dual firmware Hassle-Free Tuning – Bottom-mounted vertical Type-C port, no disassembly needed for firmware flashing Built to Last – 6-layer gold-plated PCB, stable operation from -20°C to 50°C Specifications: Product Model GOKU F405 SE 3-4S 20A AIO MCU STM32F405BGA Gyro ICM42688P / MPU6000 ESC 4-in-1, 20A continuous / 25A peak per channel Barometer SPL06 OSD Support: No Input Voltage 3–4S LiPo UART UART:1(elrs).2.3.4.5(sbus).6 BEC Output 10V/2A + 5V/2A dual independent Mounting Holes 20×20mm standard Net Weight 6.5g On-Board Storage 8MB flight black box Interfaces HD VTX, receiver, GPS, Bluetooth, buzzer ports; bottom Type-C FC Firmware BetaFlight Firmware: FLYWOOF405S_AIO INAV Firmware: FLYWOOF405HD Compatible Drones Firefly 25mini 3S, Firefly 20pro 4S, 2" / 2.5" micro FPV drones ESC Firmware G_H_30_48KHz_Bluejay Battery connector XT30