KXY12 mining intrinsically safe loudspeaker is suit for using mining and underground.  Through upper computer, KXY12 can play music, global broadcast, regional broadcast, point-to-point, emergency broadcast and push to talk in the area of wire network coverage. Mean while, KXY12 support global broadcast and regional broadcast itself.    

Working voltage: DC 12 V;

Working current: ≤800 ma;

Interface: 2 line 10/100 m electrical interface, 2 line 100 m optical interface;

Frequency response: better than ±6dB (350 ~ 3000 hz);

Voice signal distortion: ≤10％ ;

Sound intensity: ≥85 db (A) (audio line input 1000 hz, 300 mv).