Description
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 2.5×2.5×3 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 2.5×2.5×3 |
| Gyro | ICM42688-P |
| Battery Connector | XT30 |
| Recommended Battery | 4S 660mAh / 4S 720mAh |
| Arm Thickness | 3mm |
| VTX Mounting Pattern | 20mm×20mm |
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