MAD-4000 Long Range Directed Acoustic Hailing Device
MAD-4000 is long range acoustic hailer, can be widely used to disperse illegal crowds without permanent injury, the best non-lethal tool for anti-drug, smuggling and cross border at the frontiers, broadcasts and dispersion at airports and sea ports. Also it can broadcast sounds over 3000 meters.
MAD-4000 is long range acoustic hailer, can be widely used to disperse illegal crowds without permanent injury, the best non-lethal tool for anti-drug, smuggling and cross border at the frontiers, broadcasts and dispersion at airports and sea ports. Also it can broadcast sounds over 3000 meters.
The Long
Range Directed Acoustic Hailer is widely used to
disperse illegal crowds without permanent injury, so it is the best non-lethal
tool for anti-illegal rally and invasion. It adopts unique energy transducer array and algorithm, and by
ultrasonic modulation to enable broadcasts to be heard and understood clearly
over long distances from hundreds of meters up to one kilometer, even across
buildings.
Nowadays it has been patented and
certified, and widely used by the defense forces and police for anti-drug,
anti-smuggling and anti-cross border at the frontiers, anti-smuggling at sea,
public security and law enforcement, broadcasts and dispersion at airports and
sea ports etc.
MAD-4000 is long range acoustic hailer, can be widely used to disperse illegal crowds without permanent injury, the best non-lethal tool for anti-drug, smuggling and cross border at the frontiers, broadcasts and dispersion at airports and sea ports. It can give dispelling effect over 150M and broadcast sounds up to 4000 meters.
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Main Applications:
For anti-drug, anti-smuggling and anti-cross border at the frontiers, anti-smuggling at sea, public security and law enforcement, broadcasts and dispersion at airports and sea ports etc.
1. Issue prompt notifications and warnings to the people, vehicles in some far distance
2. Issue warnings for emergencies (illegal rallies, riots, unprovoked approach and invasion)
3. Issue unbearable noises to the illegal invasion ships at the territorial waters
4. To control the judicial detainees and prisoners, and to patrol
5. For communication and coordination at the site of severe natural disaster rescue
6. To prevent terrorists, hostages and organized terrorist activities
7. To prevent illegal entry or smuggling across borders
Key Technologies:
1. Energy transducer array: adopt the advanced technologies of finite element method, electromechanical coupling analysis, solid-fluid coupling analysis, build 2D mathematical model of coherent superposition, use nonlinear neural network compensation control, effectively forming the sound wave bunching angle, to achieve the best focus, orientation and penetration effect;
2. Energy transducer unit: use such new materials as piezoelectric elastic materials, NdFeB, and bending structure to achieve high sensitivity, good impact resistance, and vocal clarity;
3. Ultrasonic modulation: in contrast to the traditional loudspeakers using cylinder mechanism to stimulate air vibration, the directed acoustic device adopts ultrasonic sensor to produce highly oriented ultrasonic signal, which is demodulated to get high Directed audible sound by the nonlinear effect of ultrasonic wave in the air.
4. Digital power amplifier: energy-efficient, compact and lightweight, reliable and durable;
5. Low power requirement
6. System integration: effective coupling between various levels of the system, effective impedance matching between the amplifier and transducer, dynamic range adjustment of digital signal processing and digital power amplifier, distortion correction etc.
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Military construction, reliable and durable
Low power requirement
Simple to operate, quick to deploy
Safer alternative to non-lethal and kinetic measures
Extended coverage
Clear, long-range, directed communication
All weather use
Can be mounted on Pan-tilt with search light, laser dazzler and camera for fixed or mobile use at airports, warships or vehicles.
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Dispelling distance: 150M
Notification distance: 4000M
Frequency response: 500Hz-10KHz
Max sound level: 159db@1m (high level)
130db@1m (low level)
Nominal beam angle: +/-15°
Power consumption: 800W, Max. 1.5KW
Power supply: AC190-240V/50-60Hz, DC12-30V
Dimension: 940*920*300mm
Weight: 50kg
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