Enterprise-grade broadcast system.The Speaker is compatible with the Matrice 350 RTK and Matrice 300 RTK. It features a design with four sets of high-compression drivers and a 150mm large aperture, weighing only 570g. With deep optimization of the human voice frequency range, its TTS (Text-to-Speech) text playback can reach a sound pressure level of 125dB at a distance of one meter, providing clear and audible sound. The coverage range can reach up to 1 kilometer.The device has a built-in 32GB storage space and can be connected to a computer via USB for music copying and firmware upgrades. Additionally, the H150S comes with a stabilizing gimbal that can be linked with a camera gimbal and is equipped with a full-featured FPV camera. Users can use the camera to observe the target of the loudspeaker, take photos, record videos, as well as playback and download them. This provides users with more functionality and flexibility.