TOA ATT-311 attenuator

 ATT-311 Voice Alarm Control Equipment
Model CodeATT-311
Model Info

TOA ATT-311 attenuator, intended for ceiling speakers, can adjust the speaker sound volume level in four steps depending on the installation place. Its push-in connector allows quick wire connection. Branched wiring and bridging are both possible.

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SourceEN54.EU, the comprehensive source for EN 54 certified voice alarm and public address systems & components.
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