Many of our partners are verified by the manufacturers
Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop
BNF Copters

| Version | 4S |
|---|---|
| Skill | Intermediate |
| Frame Design | X-Frame |
| Size | 2.5" |
| Style | Cinewhoop, Tinywhoop |
| VTX | DJI O3 Air Unit |
| Weight | 249g |
Prices & Deals
Affiliate
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - PNP (without LED)
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - Elrs 2.4G (without LED)
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - TBS NanoRX (without LED)
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - PNP (with LED)
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - Elrs 2.4G (with LED)
- Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop - TBS NanoRX (with LED)

- Sub250 DollyFly25 HD O3 DJI 2.5 Inch 4S CineWhoop FPV Drone - O3 HD PNP (DJI Remote 2 Compatible)
- Sub250 DollyFly25 HD O3 DJI 2.5 Inch 4S CineWhoop FPV Drone - O3 HD BNF ELRS 2.4G

- Sub250 DollyFly25 2.5" 4S Cinewhoop w/ DJI O3 HD Camera System - Choose RX Type - PNP (DJI FPV Remote Controller 2 or Add your own RX)
- Sub250 DollyFly25 2.5" 4S Cinewhoop w/ DJI O3 HD Camera System - Choose RX Type - ELRS 2.4G
- Sub250 DollyFly25 2.5" 4S Cinewhoop w/ DJI O3 HD Camera System - Choose RX Type - TBS Crossfire Nano Rx
🎬 SUB250 DOLLYFLY 25 Verson 2 - It Got Better!
Product Description
Dominate Cinematic Flights with Sub250 DollyFly25 HD O3 CineWhoop – The 4S Beast That Crushes Tight Spaces
Crush your cinematic dreams with the Sub250 DollyFly25 HD O3 2.5-inch 4S CineWhoop. This monster doesn't mess around—it's built for pilots who demand ultra-stable footage in the tightest spots. Forget outdated analog junk; the integrated DJI O3 Air Unit delivers crystal-clear 1080p at 120fps, low-latency transmission that keeps you locked in. No more signal drops or fuzzy views—pure digital dominance. At under 250g dry weight, it's freestyle-legal but optimized for cinematic whooping with powerful 1404 motors on 4S punch. Users scream about its hover efficiency and how it handles GoPro payloads like a champ without breaking a sweat. In a world obsessed with O4 upgrades, this O3 version slams value—top-tier performance without the premium price tag. If you're chasing professional-grade shots in confined areas, this is your weapon. Don't settle for less; grab it and own the skies.
- Compact Powerhouse Frame: 2.5-inch carbon fiber build for durability under 250g.
- Digital FPV Dominance: DJI O3 Air Unit with 1080p/120fps transmission.
- Thrust Monster Motors: 1404-3800KV on 4S for efficient cine flights.
- Stable Flight Core: F411 FC with BMI270 gyro for vibration-free performance.
- Efficient Power Delivery: 20A 4-in-1 ESC handles aggressive maneuvers.
- Payload Ready Design: Supports naked GoPro without stability loss.
Who Is the Sub250 DollyFly25 HD O3 CineWhoop For?
This beast targets cinematic pilots hungry for smooth, professional footage in cramped environments. If you're a hobbyist or pro chasing buttery tracking shots through buildings or events, it's your go-to. Not for raw speed demons—it's tuned for stability over acrobatics.
Beginners, step up if you've got basic quad experience; its forgiving tune makes learning cine fun without crashes. Advanced flyers will love tweaking it for custom payloads.
- Ideal for Indoor Cine: Perfect for tight-space filming without sacrificing quality.
- Payload Masters: Handles naked GoPros effortlessly for epic shots.
- Value Hunters: O3 tech at a steal compared to O4 hype.
- Sub-250g Fans: Legal freestyle weight with cine power.
In today's landscape where digital FPV rules with O4 pushing boundaries, the DJI O3 in the DollyFly25 still crushes for budget-conscious pilots. Legacy analog gear fades into irrelevance with its noisy signals—O3 brings reliable 1080p clarity that previous versions dreamed of. Versus older 2S whoops, this 4S setup delivers superior thrust and efficiency, making sub-250g cinewhoops the dominant choice for versatile flying without regulatory hassles.
Review: The Sub250 DollyFly25 O3 – A CineWhoop That Feels Like Cheating
This quad doesn't play—it's a precision tool that makes cinematic flying feel effortless. Derived from its specs, expect a buttery hover that begs for pro shots.
For skill level, intermediates will thrive; it's forgiving yet responsive, turning average pilots into footage gods. Beginners? Build stick time first to avoid walls. Advanced users tweak it for insane payloads.
Flight performance? Snappy throttle punches through confined areas, with the O3 feed keeping you glued—no latency betrayals. Motors deliver consistent power, gyro stability crushes vibrations for clean 1080p. It's not O4 flashy, but in tight cine, it outperforms pricier rigs with raw efficiency.
- Smooth Operator Stability: Hovers like it's on rails for epic tracking.
- Payload Beast Mode: Carries cameras without wobble.
- Responsive Control Feel: Instant feedback for precise maneuvers.
- Efficient Battery Life: Up to 8 minutes of pure cine action.
Technical Breakdown: Why the DollyFly25 O3 Engine Screams Performance
Dive into the core— the F411 MCU powers this cinewhoop with lightning-fast processing, handling complex flight data without hiccups. It's no slouch; paired with the BMI270 gyro, it delivers rock-solid stability, filtering out vibrations for that pro-level smooth feel pilots crave. Forget gyro noise ruining your footage—this setup keeps it clean.
The 20A 4-in-1 ESC is a brute, pushing consistent power to the 1404-3800KV motors without overheating. These motors? Pure torque machines on 4S, giving you punchy throttle response for navigating tight spots. Engineers optimized the stack for low-latency integration with DJI O3, ensuring your FPV feed stays glitch-free. Hobby pilots, this means effortless hovers and precise control—no more fighting the quad. Compared to O4's extras, O3 here nails essentials with proven reliability.
PID Tuning: Unlock the DollyFly25's Full Fury
Tune this beast for your style—stock PIDs are solid, but these profiles amp up snappiness or smoothness. Start with defaults and tweak via Betaflight.
| Profile | P | I | D | Notes |
|---|---|---|---|---|
| Stock Cine | 80 | 50 | 35 | Balanced for smooth footage. |
| Aggressive Whoop | 90 | 55 | 40 | More punch for tight spaces. |
| Freestyle Lite | 85 | 52 | 38 | Hybrid for light acro. |
Pros & Cons: Why the DollyFly25 O3 Rules (And Where It Doesn't)
This cinewhoop dominates value, but no quad's perfect—here's the brutal truth.
| Pros | Cons |
|---|---|
| Insane stability for cine footage | Not optimized for extreme freestyle |
| Affordable O3 digital power | Lacks O4's extended range |
| Sub-250g lightweight design | Payload limited to light cameras |
| Efficient 4S thrust | Shorter flight time on heavy loads |
📦 Package contains
- 1x DollyFly25 Frame Kit
- 1x DJI O3 Air Unit
- 4x 1404-3800KV Motors
- 1x F411 Flight Controller
- 1x 20A 4-in-1 ESC
- 1x VTX Antenna
- 4x 2.5-inch Propellers (set)
- 1x GoPro Mount
Product Attributes
| Version | 4S |
|---|---|
| Skill | Intermediate |
| Signal | Digital |
| Frame Design | X-Frame |
| RX | ELRS, PNP, TBS Crossfire, DJI O3 Air Unit |
| Size | 2.5" |
| Style | Cinewhoop, Tinywhoop |
| VTX | DJI O3 Air Unit |
| Weight | 249g |








