When you need to deliver clear, powerful messages across distances up to 500 meters, our Drone Megaphone YM-3c delivers exceptional performance. Engineered by fourobot with 10 years of manufacturing expertise, this enterprise-grade payload achieves an impressive 130dB maximum sound pressure level while weighing just 480g. You get built-in APP operation, stable Yun Zhuo and Siyii remote controller links, and versatile broadcasting modes including real-time voice, text-to-speech, and one-click alarm. With 100 units in stock and CE/ISO compliance, you receive fast deployment without additional equipment—controlled directly through your existing drone remote.

You face unique challenges when traditional communication methods fall short. Our lightweight aerial speaker payload solves these pain points with precision engineering.
The system integrates seamlessly with your UAV through YIKU Quick-Release Adapter Ring. You won't need separate batteries or complex installations. Everything works through your existing remote control link via Ethernet or serial port.
Real-world operations demand reliability. That's why we've equipped this unit with adaptive features for various scenarios. Whether you're coordinating emergency responses or managing large-scale events, you get crystal-clear audio delivery when it matters most.
| Parameter | Specification |
|---|---|
| Product Model | YM-3c |
| Product Type | Drone payload equipment |
| Dimensions | 174mm × 143mm × 90mm |
| Weight | 480±10g |
| Maximum Sound Pressure | 130dB |
| Maximum Power | 30W |
| Effective Broadcast Distance | 500M |
| Operating Temperature | -20°C to 40°C |
| Load Interface | YIKU Quick-Release Adapter Ring |
| Communication Link | Remote control link (Ethernet or serial port) |
| Broadcasting Modes | APP real-time voice, recording upload, audio file playback, TTS text-to-speech with loop playback, one-click alarm, male/female voice switching |
| Supported Audio Formats | MP3, WAV, FLAC, AAC, M4A |
You get 130dB sound yield that cuts through encompassing commotion and wind impedances. The 500-meter successful broadcast run guarantees your message comes to expecting beneficiaries indeed in challenging environments.
Built-in APP interface gives you clear operational perceivability. You can switch between real-time talking and pre-recorded messages right away. The framework bolsters text-to-speech transformation in numerous dialects, sparing you profitable planning time.
Choose from five particular communication modes:
Open SDK and communication interfacing let you adjust this Drone Megaphone to specialized scenarios. You can customize capacities based on territorial necessities or interesting operational needs.
When you're planning SAR missions in thick woodlands or hilly landscape, each moment tallies. Your group can give mental consolation and directional direction to lost people when cellular systems come up short. The airborne vantage point overcomes geological boundaries that ground-based frameworks cannot penetrate.
Managing huge social occasions or activity occurrences requires clear communication without heightening pressure. You can convey declarations from a secure separate, diminishing angry elements whereas keeping up swarm mindfulness. This approach ensures both officers and civilians amid unstable situations.
High-voltage power line inspections and wind turbine maintenance present extreme noise challenges. Your ground crews face ambient noise levels exceeding 80dB. With aerial broadcasting capability, you relay urgent safety instructions from optimal positions, ensuring critical messages reach workers despite machinery roar and wind interference.
Flood zones, wildfire perimeters, and earthquake-affected areas often have destroyed communication infrastructure. You need reliable tools that work independently. This payload becomes your mobile public address system, delivering evacuation instructions and safety updates across affected communities.
Our manufacturing processes comply with CE, ISO, TAF, and TELEC international certifications. You receive products that meet global market access requirements, ensuring regulatory compliance across jurisdictions.

Ten years of production expertise backs every unit. Our stable, mature processes eliminate quality inconsistencies. You get reliable performance because we've refined our manufacturing through thousands of production cycles.
We maintain 100 units in ready stock. For custom orders between 1-10 units, you receive completed products within 20 days. Our team responds to inquiries within 5×12 hours, keeping your projects on schedule.
Choose from air, sea, or land transportation based on your timeline and budget. We coordinate logistics to match your operational requirements, whether you need urgent deployment or cost-effective bulk shipping.
ODM and OEM services let you tailor functionality to specific country regulations or mission profiles. Our engineering team collaborates with you to develop specialized features that address unique operational requirements.

Your investment includes a 1-year warranty backed by global local agent support. You get timely after-sales service regardless of your operating location. Technical assistance comes from professionals who understand both the product and your application context.
You won't struggle with complicated setup procedures. The YIKU Quick-Release Adapter Ring enables tool-free mounting in seconds. Power draws directly from your UAV through the communication interface—no additional batteries to monitor or charge.
Control happens through your existing drone remote controller. You don't need to carry extra equipment or manage multiple communication devices. This streamlined approach reduces operational complexity and failure points.
The built-in APP presents all functions in an intuitive interface. Even team members with minimal training can execute complex broadcasting sequences. Pre-flight preparation time drops significantly compared to traditional aerial communication setups.
You receive enterprise-grade capability without enterprise pricing penalties. Our Drone Megaphone delivers competitive value through reliable quality, fast delivery, and efficient communication throughout the purchasing process.
The lightweight design preserves your UAV's flight time and payload capacity. At just 480g, you maintain operational flexibility for multi-payload missions. The wide operating temperature range (-20°C to 40°C) ensures functionality across diverse climates without environmental limitations.
Multiple audio format support (MP3, WAV, FLAC, AAC, M4A) means you work with files in your preferred production formats. No conversion delays or quality degradation slow your workflow.

Q: How does the system prevent drone motor noise from interfering with broadcasts?
A: The directional acoustic design focuses sound waves downward toward target areas while minimizing upward sound bleed. This engineering approach ensures your message remains clear despite rotor noise.
Q: Can I play pre-recorded messages and speak live simultaneously?
A: Yes, the system supports switching between different broadcasting modes. You can interrupt pre-recorded loops with live voice instructions as situations evolve.
Q: What is the actual clear transmission distance in real-world conditions?
A: Under optimal conditions with low wind and ambient noise, you achieve intelligible voice clarity up to 500 meters. Environmental factors like wind speed and background noise affect actual performance.
Q: Does the unit require separate power sources?
A: No, the product draws power directly through your UAV's communication interface via Ethernet or serial port connection. You don't need additional batteries.
Q: Is the system compatible with encrypted communication links?
A: Yes, the digital communication protocol supports secure transmissions, ensuring only authorized operators can broadcast through the payload.
Q: What happens if the unit gets wet during operations?
A: The device operates reliably in temperatures from -20°C to 40°C. While designed for durability, we recommend following standard payload protection practices during severe weather.
Q: How quickly can I switch between male and female voice options?
A: Voice switching happens instantly through the APP interface. You select your preferred voice setting before each broadcast without system delays.
Contact our team at sales@fourobot.com to discuss your specific requirements for Drone Megaphone and place your order.
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