AW-EXYS explosion-proof speakers (hereinafter speakers) is constant pressure bass speaker (can be customized to provide constant resistance type), which explosion-proof performance in line with GB3836-2000 series of standards, inspected by the state designated inspection units, and acquired explosion-proof certificate. Speakers is available in 1 and 2 Zone hazardous locations which include Class Ⅱ A, B, C class T1 ~ T6 temperature group explosive gas environment.