Alarm Speaker, Peak Output 90 @ 2 Watts dBA, Height 1 In, Length 6 1/2 In, Width 5 In, Voltage Speaker 25 Vrms, For Use With 1EXY5, 1EXY6, 1EXY7 AccessoriesSpeakersPeak dBA output is 90 at 2W.Speakers and speaker strobes are used in conjunction with audio panels to act as notification appliances and are available with or without "FIRE" legend. Wire terminal connections for 1/4W (81dBA); 1/2W (84dBA); 1W (87dBA); 2W (90dBA).Fire Alarm Voice Evacuation Control Panels and AccessoriesA self-contained amplifier, tone generator, digital message repeater, and supervisory interface; use with a fire alarm panel to provide a voice evacuation alarm signal. The ANS audio panel is wired to 1 of the fire panel's NAC outputs to give a prerecorded voice evacuation notification in the case of a fire. 1"H x 5"W x 6-1/2"D. Use in conjunction with 25Vrms or 70Vrms speakers and speaker strobes (sold separately), panels come preset for use with 25Vrms speakers. Can be configured in the field for 70Vrms speakers.