WingSmith Drones
Quadmula Siren F5 S2
Quadmula Siren F5 S2
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Quadmula Siren F5 S2 — Precision 5″ Freestyle Frame with Modern Compatibility
The Quadmula Siren F5 S2 is a premium 5″ freestyle FPV frame that prioritizes strength, durability, and performance — perfect for pilots of all levels. Redesigned recently with modern components in mind, this frame is fully compatible with digital systems like DJI O4 Pro, as well as analog and other digital video links.
Featuring a reinforced front-end structure, optimized camera mount, and a balanced 233 mm wheelbase, the Siren F5 S2 delivers smooth control and confidence-inspiring responsiveness. Whether you're flying circuits, hitting gaps, or capturing cinematic freestyle clips, this frame offers a strong foundation for any 5″ build.
Why the Siren F5 S2 Stands Out
Built for Modern FPV Systems
- Optimized camera mount with full compatibility for DJI O4 Pro
- Clean layout for VTX wiring and antenna placement, 3D printable parts avialable for a variety of VTX and antennas
- Strong structural balance tailored for freestyle and dynamic flight
Premium Strength and Durability
- High-modulus carbon fiber plates for rigidity and crash resistance
- 7075 aluminum standoffs and robust hardware included in the box
- Expanded rear space supports a wide variety of VTX options
Smart Design Features
- Compact 233 mm wheelbase for agile performance
- Staggered bottom plate for a lower center of gravity and stable handling
- C-Lock single-bolt arm replacement for quick field repairs
- Profiled spacers for secure action camera and accessory mounting
Quadmula Siren F5 S2 — Key Specifications
| Feature | Specification |
|---|---|
| Weight | 106.9 g* (frame only) |
| Wheelbase | 233 mm |
| Frame Type | Squashed X |
| Stack Mounting | 30.5×30.5 mm (M2/M3) |
| Camera Size Compatibility | DJI O4 Pro / DJI O3 and other formats |
| Motor Mounting Pattern | 16×16 mm (M3) |
| VTX Mounting Pattern | 20×20 mm (M2) / 25.5×25.5 mm (M2) |
| Max Prop Size | Up to 5.2″ |
| Standoff Heights | 20 mm / 25 mm |
*Theoretical weight may vary slightly once electronics and hardware are installed
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Recommended Build Pairings
To get the most out of your Siren F5 S2, we recommend pairing it with the following components:
| Component | Recommendation | Why It Matters |
|---|---|---|
| Video Transmitter (VTX) | DJI O4 Pro | Optimized for DJI O4 digital video view with minimal obstruction |
| Motors | 2107- 2300 motors | Power and agility for 5″ freestyle flying |
Tools & Assembly Notes
- Hex drivers (M2, M2.5, M3) and precision screwdrivers
- Thread locker to secure hardware
- Cable management tools (zip ties, heat shrink) for clean builds
- 3D Printer for printing TPU parts (bumpers, action cam mount, etc)
The Quadmula Siren F5 S2 is a strong choice for pilots who want a 5″ freestyle frame with modern FPV compatibility, durable construction, and thoughtful design features that simplify both builds and flights.
Its balanced geometry and flexible mounting patterns make it easy to build around your chosen components, while features like the C-Lock arm replacement and generous VTX space reduce installation frustration. Whether you’re pushing your freestyle limits or capturing smooth footage, this frame is ready to perform.
