The passive sound reinforcement speaker with a specially developed polypropylene cabinet and stylish full grille aesthetic. It is equipped with custom FBT speakers complete with B&C’s renowned compression driver technology, PROMAXX combines true made-in-Italy quality and style. At its heart is a purpose-built FBT amplifier module with a switch-mode power supply. For the low frequency section, 700W RMS is driven via a highly efficient Class-D topology, boasting extremely low THD. For HF, meanwhile, 200W RMS is delivered by a class-H/AB design chosen to ensure the highest definition of audio performance at high frequencies.