Att. Sales Manager Please qoute for siren & load speakers- Qty.100 sets. They should be: - continouse duty at high dusty tempreture. - withstand rough mechanical treatment by unskilled personnel in police applications. - the out put impedence of the siren must be well matched with the I/P impedance of the laod speaker. item 1: Heavy duty siren 200W, multiply tones for police, with one 200watt load speaker. ulternative: item2: same to above but 300W + 2 loud speakers each 150W. You have many types but the available information are not detailed enogh so we can prperly evaluate. Show More