MP140 Digital Voice Broadcasting System for M350/300
📢 For DJI M350 / M300 RTK: The MP140 is a professional-grade digital voice broadcasting system featuring a built-in micro camera and strong sound dispersion. Delivering unparalleled audio power (140dB) and a broadcast range of up to 1000 meters, it is designed for large-scale public safety, search & rescue, and industrial operations.
Product Overview
The MP140 Digital Voice Broadcasting System is the flagship audio payload from CZI, engineered for the most demanding aerial broadcasting missions. It combines a superb broadcasting function with a built-in micro-gimbal and 1080P full HD camera, creating a comprehensive airborne communication and situational awareness tool. Weighing 2.7kg and powered by a 150W amplifier, the 140dB long-range drone siren is the ultimate solution for operators who need their voice heard over vast distances, reaching up to 1 kilometer.
From large-scale public safety operations and emergency evacuation commands to industrial perimeter patrols and wildlife deterrence, the MP140 proves invaluable across diverse sectors. Its 0-80° pitching adjustment allows operators to precisely direct sound, while the robust construction ensures reliable performance. As a leading 1000m drone loudspeaker and 140dB long-range drone siren, the MP140 DJI M300/350 broadcasting payload system is the definitive tool for professionals who demand uncompromising audio reach and clarity in the field.
Key Features
- Superb Broadcasting Function: The MP140 Digital Voice Broadcasting System delivers 140dB of maximum sound pressure. Even at a distance of 10 meters, it maintains an impressive 120dB, with an effective loudspeaker distance of 1000 meters. This ensures crystal-clear communication across vast areas, from urban canyons to open terrain.
- Built-in Micro-Gimbal: The integrated tri-axis anti-shake micro-gimbal houses a 1080P full HD camera. This 1080P drone audio surveillance provides operators with a stabilized, high-quality video feed, enabling precise targeting of broadcasts and real-time visual feedback on the broadcast area.
- Multiple Broadcast Modes: The MP140 1000m drone loudspeaker offers exceptional flexibility to suit any mission requirement:
- TTS Text-to-Speech: Convert typed text into natural-sounding speech instantly.
- Live Broadcasting: Speak live through a connected headset for real-time communication.
- Recording Loop: Play back pre-recorded announcements on a continuous loop.
- Memory Playback: Play audio files stored on the device.
- Background Music: Supports automatic dodge (music pauses when broadcasting starts).
- More Features: Includes 0-80° pitching adjustment for optimal sound direction, a quick release adapter ring for rapid mounting, and an efficient heat dissipation system with triple protection (water, dust, and shockproof), ensuring reliable operation in harsh conditions.
Product Display
Technical Specifications
| Model | MP140 / MP140C |
|---|---|
| Dimensions | 225×273×225 mm |
| Weight | 2.7 kg |
| Maximum Power | 150 W |
| Effective Broadcasting Range | 1000 m |
| Sound Pressure (Max) | 140 dB |
| Supply Voltage | 24 V |
| Operating Temperature | -15°C to 40°C |
| Mount Interface | DJI Skyport V2.0 (suitable for DJI M300/350 RTK) CZI Quick Release Adapter Ring (suitable for other brands of drone) |
| Communication Link | DJI PSDK Link |
| Pitch Angle | 0–80° |
| Broadcasting Methods | Live broadcasting Upload a recording Play audio files Background music (automatic dodging) Text to speech (supports many dialects) |
| Audio Format | MP3, WAV, M4A, FLAC, AAC |
| Control | Handheld microphone, CZI, CZI Assistant, DJI Pilot |
| Camera | 1080P Full HD (on tri-axis anti-shake gimbal) |
| Camera Parameters | 1080P, FOV: 120° |
📌 Industrial-Grade Durability: The MP140 is built for the field with triple protection design (water, dust, and shockproof). Its efficient heat dissipation system ensures consistent performance even during extended operations in challenging environments, making it a reliable tool for critical missions.
Downloads & Support
📱 Apps
- CZI Assistant — A brand-new payload control tool. It utilizes an industry-innovative floating window to control multiple types of drone payload devices. It is safe, stable, and reliable.
VER: V1.0.6
📄 Firmware & Manuals
- MP140 Firmware — V03.03.03.03 (2025-01-16) + Release Notes
- User Manual — MP140 User Manual (2026-06-26)
⚡ All technical data sourced from official CZI product documentation. For the most current information, please refer to the manufacturer’s website. The MP140C variant may have specific configuration differences. You can explore more aerial broadcast systems or visit our main store.
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