Speaker Real-Free Long Distance Microphone

STARTRC Drone Loudspeaker: 3km Long-Range Voice Transmission System

Universal Drone Compatibility

• Fits All Major Models:
  ✅ DJI Mavic 3/3 Pro • Air 3S • Mavic 2/Pro
  ✅ Holy Stone drones • RC quadcopters (payload ≥100g)
• Signal-Preserving Design:
  • Antenna-friendly layout (no transmission interference)
  • Tested on Mavic 3 Pro in mountainous terrain

3km Ultra-Long Range & 120dB Acoustic Power

• Penetrative Audio Technology:
  ✅ 3km wireless transmission (line of sight)
  ✅ 120dB sound (equivalent to helicopter engine) covers 1 football field
• Clear Voice Decoding:
  • Noise-canceling chip enhances clarity in windy conditions
  • Supports MP3 playback (pre-load emergency sirens or commands)

Multi-Scenario Mission Utility

1. Wilderness Search & Rescue:
   ✅ Guides lost hikers in Yellowstone with directional voice commands
   ✅ Locates trapped individuals in mountainous terrain
2. Farm & Ranch Security:
   • Deters wildlife (proven effective on deer at 500m)
   • Warns trespassers during nighttime patrols
3. Public Safety & Events:
   ✅ COVID-19 public health announcements
   ✅ Crowd control at music festivals or sporting events

120-Minute Run Time & Rapid Charge

• 800mAh Lithium Battery:
  ✅ 2-hour continuous speaking (3 full mission flights with Mavic 3)
  ✅ Type-C fast charging (1.5hrs to full)
• Flight-Friendly Weight:
  • 6.3oz (180g) total weight (<5% impact on flight time)
  • ABS housing survives 10ft (3m) drop tests

Rugged Aerial Mounting System

• Curved Frame Engineering:
  ✅ Snug fit reduces wind resistance by 40%
  ✅ Silicone rings + thumb screw for tool-free installation (5-min setup)
• Weatherproof Construction:
  • IP54 water/dust resistance
  • Operates -20°F to 140°F (-29°C to 60°C)

What’s in the Box (Mission-Ready Kit)

• 1x 120dB drone loudspeaker
• 1x Megaphone adapter
• 1x Curved mounting frame
• 1x Type-C charging cable
• 2x Silicone mounting rings (L & S)
• 1x Thumb screw & instruction manual

Perfect for: