Model:MQ-301 Rated/max power: 3-6w Sensitivity:88db Input voltage:70v/100v Weight: 0.9KG Frequency respondance: 110-13KHZ Install dimension: 150MM Product dimension:180MM This kind of PA speaker is ABS material, it\'s 5\'\' unit in size. Thi... - Update: 2009-03-10

Model: MQ-303/304 Rated/max power: 20w/40w Sensitivity:88db/98db Input voltage:70v/100v Weight: 1.8KG/2.5KG Frequency respondance: 110-13KHZ/180-14KHZ Install dimension: 204MM/248MM Product dimension:240MM/284MM This kind of PA speaker is ABS... - Update: 2009-03-10

Model:MQ-602 Rated/max power: 3-6w Input voltage: 70v/100v Frequency respondence: 120-13000hz Installation dimension 160mm Weight: 0. 9kg Sensitivity: 87db Dimension: 200mm This PA ceiling speaker is in high-qualified. This PA speaker is in ... - Update: 2009-03-10

This PA ceiling speaker is 3 inch unit, ABS material, with rear cover, Rated/max power: 5W Input voltage: 70v/100v Frequency response: 80-20KHZ Install dimension: 102-106mm Weight: 0.5kg Sensitivity: 91db Dimension: 122mm This PA speaker is ... - Update: 2009-03-10

This PA ceiling speaker is 6 inch in size, ABS material, with rear cover Rated/max power: 3-6w Input voltage: 70v/100v Frequency response: 110-13Khz Install dimension: 165MM Weight: 0.6KG Sensitivity: 88db Dimension: 218mm This PA speaker is... - Update: 2009-03-10