Wired​ Internal Extension Speaker Sounder Decorative Security Sirens For Sale

This SR-A75 internal extension speaker sounder （security siren） is an ideal addition to any wired intruder alarm system.
Once installed the unit will make the entry and exit tones of your system louder and clearer and in the event of an alarm will double as an internal siren (depending on the output of your panel) the extension speaker has a maximum sound output of 104±2dBSPL/1M. with presoldered leads and connecting block for easy connection，Suitable for use on most wired intruder alarm control panels with an extension speaker output

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