The Bosch LBB 451x/00 Integrus Radiators are high-performance infrared radiators designed for professional audio distribution in multilingual conferences and large event environments. The LBB 4511/00 model covers up to 1,300 m², while the LBB 4512/00 extends coverage up to 2,600 m², each supporting one carrier with four standard quality channels. Featuring automatic gain control, the radiators ensure maximum efficiency of the IREDs (infrared emitting diodes), while power output selection allows for optimized performance and energy economy. Equipped with a safety eye for reliable operation, the LBB 451x/00 series is ideal for boardrooms, conference halls, and international meeting spaces requiring precise, high-quality language distribution.