Federal Signal SelecTone® 300GC-120 Audible Signaling Device, 120 VAC, 0.2 A, 120/110 dB Sound Level, Indoor/Outdoor Indoor/Outdoor, Surface Mounting, Gray

Federal Signal's Model 300GC SelecToneSpeaker Amplifier is designed to produce crisp, clear tone, digital voice messages and live public address in harsh environments with high ambient noise levels.