BP-660A+B dual speaker

B-620A+B aluminium ceiling loudspeaker

Two separate loudspeakers, two transformers and two terminals. A + B system. The latest DNH Dual speaker solution for project installations requiring 100% levels of redundancy. 25% cost reductions achieved while maintaining fully independent circuits from a separate speaker, transformer and termination block behind the same grille. In phase connection from separate A + B systems within one loudspeaker. Ideal for those small rooms and spaces.


  • Mounting with hooks
  • Effective frequency Range: 240 – 15000 Hz
  • Weight: 1,1 kg



Installation, Operation and maintenance

  • Do not open loudspeaker when energized.
  • Two separate loudspeakers, two transformers and two terminals (A + B system).
  • A + B system should be connected the same way so that systems are in phase.
  • Install the ring into the cut-out hole turning the screws connected to the three hooks, screw clockwise until the ring is fixed to the ceiling.
  • Connect cable to terminal 70V or 100V
  • Turn the grille gently clockwise within the ring until it stops.
  • Hooks can be mounted both ways, see drawing at the top of the page
  • For optimum performance, always use the correct voltage / power limits as stated.
  • This loudspeaker comes with a two years warranty against factory defects.