Sale! 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 1703g (excluding battery), it integrates the DJI O4 Pro digital transmission system with Sub250 1404
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 1703g (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 660720mAh batteries via XT30 and offers compatibility with PNP / ELRS 2.4G / TBSnanoRx receiver types.
| Parameter | Details |
|---|---|
| Model | Oasisfly25 O4 Pro |
| Motor | Sub250 1404 4500KV Motor |
| Weight | 1703g (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 | 20mm20mm |
Oasisfly25 O4 Pro: Sub250 1404/4500kv, 1703g, 135mm wheelbase. PNP/ELRS2.4G/TBSnanoRx, Redfox A3 45A FC, STM32F722RET6 MCU, DJI O4 pro VTX/Camera, BLHeli_32 45A ESC, XT30 connector, HQProp 2.5×2.5×3, 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.”
$25
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