Louder than your loudest environments The Algo 8507 IP Horn Array Speaker is a highly durable wideband speaker designed to deliver clear, intelligible audio in reverberant, loud environments. Installed vertically, the 8507 creates a dispersion pattern with narrow vertical and wide horizontal coverage. Made to withstand harsh weather events, the 8507 is IPX9-rated and functions in temperatures from -40°F/-40°C to 122°F/50°C. Key Features: Designed to have narrow vertical and wide horizontal coverage for directional sound Up to 137 dB Wideband audio IPX9-rated Configurable via web interface