Ajax StreetSiren DoubleDeck Fibra Black | 51648.61.BL1

The Ajax StreetSiren DoubleDeck Fibra (Black) is a wired outdoor/indoor acoustic‑LED siren designed for the Ajax Hybrid system, using Fibra two‑way encrypted communication for reliable, instant alarm transmission and advanced anti‑sabotage protection. It supports a customizable 85–113 dB audible alarm with a bright LED perimeter frame, and allows alarm duration adjustment from 3 to 180 seconds directly via the Ajax app. As a DoubleDeck model, it includes a clip‑lock mount for optional Brandplate faceplates, enabling installers or security companies to attach branded panels without affecting siren performance. The unit operates in harsh environments with an IP54 protection rating, functioning reliably from −25°C to +60°C and up to 95% humidity. Powered directly from the Fibra bus (7–30 V DC, max ~1.2 W) over cable runs up to 2,000 m, the StreetSiren DoubleDeck Fibra delivers robust, Grade‑2 compliant perimeter alerting across large residential or commercial installations.