Tunnel horn / boundary horn speaker

Tunnel horn / boundary horn speaker The weatherproof and low-distortion Horn loudspeaker for use in tunnels or pre-portal sound reinforce- ment with 100V technology is excellently suited for speech transmission and voice alerting in this acousti- cally difficult environment due to its outstanding speech intelligibility. It is suitable for use in the tunnel itself (boundary layer/half sphere) as well as for use in the pre-portal area (full sphere). Matching transformer for 100V technology with power adjustment The speaker is suitable for wall and ceiling mounting Corrosion-resistant stainless steel mounting brackets Resistant to exhaust gases, de-icing salts and road dust Simulation data available for Ease and Ulysses Opening cover in V4A stainless steel 1.4571 against animals & dust