This loudspeaker is a high-performance 6 W dual channel (A / B channel work at the same time) voice alarm cabinet loudspeaker. It provides a broad frequency response range. Low distortion and high sound pressure level for accurate and intelligible broadcast of evacuation messages and high quality sound reproduction. It is ideal for sound distribution in various types of commercial buildings. Its low-profile white color design blends easily with most interiors in locations such as hotel, conference rooms, cinemas, factories and exhibitions.