This product is a portable long range directional acoustic transmitter. Featuring powerful sound intensity, high directivity and high intelligibility, this product can realize long range communication and deterrent warning. It is a multifunctional military-use device, which can be widely used in crowd management and dispersal, boundary warning, water surface communication, airport and other fields.

Model | LRAS1515A | |
Active Long Range Directional Acoustic Hailing Device | Rated Power | 150W |
DC Input Voltage | DC27V-30V | |
Signal Input Voltage | 2000±200mV | |
Rated Impedance | 4Ω | |
Frequency Response | 340Hz-6kHz | |
Max. SPL (1 m) | 136±2dB | |
Sound Beam Angle | ±15°(@2.5kHz) | |
Waterproof Level | IP65 | |
Package Dimension (Flight Case) | 490×420×340mm | |
Dimension | 365×373×217mm | |
Gross Weight | 21kg | |
One-handed Mic Net Weight | 0.3kg | |
Acoustic Hailing Device Net Weight | 7.8kg | |
Acoustic Hailing Player | Input Sensitivity (MIC) | 10±2mV |
Input Sensitivity (AUX) | 300±50mV | |
Input Sensitivity (USB) | -10dB | |
Input Sensitivity (Bluetooth) | -10dB | |
Audio Output | 2000±200mV | |
Frequency Response (AUX) | 400Hz-8kHz | |
Input Sensitivity (MIC) | 400Hz-8kHz(±3dB) | |
Distortion | ≤1% | |
Audio Format | MP3, WAV | |
Power Supply | DC12V/1A | |
Player Dimension | 160×122×55mm | |
Player Net Weight | 0.43kg | |
LRAS150 150W Mass Notification SpeakerAugust 16, 2018LRAS150 is an active special acoustic hailing device. It adopts voice coil air cooling technology for fast cooling, with the high power over 500W. Compared with common acoustic devices, its maximum sound pressure level is 10dB higher, greatly enhancing the sound transmission distance.view
LRAS1860A 600W Active Long Aange Acoustic Hailing SystemAugust 2, 2022view
LRAS1530A 300W Active Long Range Acoustic Hailing SpeakerDecember 29, 2023The system can be used to convey real-time notifications, warnings, and orders in a large arealike Bird Repellent, Lifequard, Fire Coastquard, Search & Rescue, Police, and Peacekeeping.viewwe will contact you within 24 hours.
MAG6182II IP Network System Applied in Oyu Tolgoi in MongoliaJuly 19, 2018MAG6182IIIP Network System Applied in Oyu Tolgoi in MongoliaThe Oyu Tolgoi Mine is a combined pit and underground mining projectwithin south Gobi Desert, approximately 235kilometers east of the capita...view
DSPPA | Commendation Letter from the 15th National Games & Special OlympicsFebruary 9, 2026Abstract: DSPPA honored for delivering expert AV solutions across multiple venues at the 15th National Games & Special Olympics.view