The Sub250 Oasisfly25 O4 Pro is a high-performance 2.5-inch HD freestyle FPV quadcopter designed for lightweight agility and digital clarity. Weighing only 170±3g (excluding battery), it integrates the DJI O4 Pro digital transmission system with Sub250 1404 4500KV motors and HQProp 2.5x2.5x3 tri-blade propellers for smooth, precise flight. Its electronics are powered by a Redfox A3 45A AIO flight controller, featuring STM32F722RET6 MCU, BLHeli_32 45A ESC, and the ICM42688-P gyro for reliable response and performance. Ideal for advanced freestyle in tight environments, it supports 4S 660–720mAh batteries via XT30 and offers compatibility with PNP / ELRS 2.4G / TBSnanoRx receiver types.
Specifications
Parameter | Details |
---|---|
Model | Oasisfly25 O4 Pro |
Motor | Sub250 1404 4500KV Motor |
Weight | 170±3g (Battery not included) |
Wheelbase | 135mm |
Receiver Options | PNP / ELRS 2.4G / TBS nano Rx |
Flight Controller | Redfox A3 45A AIO |
MCU | STM32F722RET6 |
ESC | BLHeli_32 45A |
VTX / Camera | DJI O4 Pro |
Propeller | HQProp 2.5x2.5x3 |
Gyro | ICM42688-P |
Battery Connector | XT30 |
Recommended Battery | 4S 660mAh / 4S 720mAh |
Arm Thickness | 3mm |
VTX Mounting Pattern | 20mm×20mm |
Details
Oasisfly25 O4 Pro: Sub250 1404/4500kv, 170±3g, 135mm wheelbase. PNP/ELRS2.4G/TBSnanoRx, Redfox A3 45A FC, STM32F722RET6 MCU, DJI O4 pro VTX/Camera, BLHeli_32 45A ESC, XT30 connector, HQProp 2.5x2.5x3, ICM42688-P gyro, 4S 660mAh battery, 3mm arms.
Product Display: Sub250 Oasisfly25 4S HD 2.5-Inch Freestyle FPV drone with four rotors, labeled "1404" and "Sub250."
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