![](http://my.ebdoor.com//Temp/65d05c19-952f-417d-a49f-7efed34e096b.jpg)
厂家:南通恒安防爆通信设备科技有限公司 产品参数: INPUT POWER: 100V/30w IMPEDANCE:330;670Ω FREQUENCY RANGE:200-7000Hz S.P.L.(1W/M):≥110dB DIMENSION: ф405*375 mm
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![](http://my.ebdoor.com//Temp/65d05c19-952f-417d-a49f-7efed34e096b.jpg)
厂家:南通恒安防爆通信设备科技有限公司 产品参数: INPUT POWER: 100V/30w IMPEDANCE:330;670Ω FREQUENCY RANGE:200-7000Hz S.P.L.(1W/M):≥110dB DIMENSION: ф405*375 mm