Triton Duo - ASONA Acoustical Range

Triton Duo - ASONA Acoustical Range

Triton Duo™ are made in 35 mm or 60 mm thick dual layer composite absorber and attenuator ceiling panel with a Sonatex™ facer on a 25 mm or 50 mm absorber combined with a 10 mm high mass 740 kg/m³ attenuator plasterboard backer.

Designed for controlling the reverberation and speech privacy between classrooms, meeting rooms, offices and for the attenuation of rain noise under metal roofing or plenum ventilation duct noise.

Triton Duo 35™ is a 35 mm thick composite ceiling panel designed to provide high sound absorption and attenuation for control of reverberation and transmitted noise. 

Triton Duo 35™ will attenuate rain noise under metal roofs, plenum noise from A/C ducts, provides room to room privacy with ceiling over partition heads and will reduce reverberation times in office, classrooms, corridors, meeting rooms etc. 

Physical Properties

  • NRC 0.75 to reduce background noise and reverberation
  • STC 22 dB for attenuation of air borne noise transmission
  • CAC 44 for room to room privacy
  • Toughened composite Sonatex™ or decorative perforated Sonatex™ facing for design choice
  • Fast and easy to install, dimensionally stable


  • Offices, meeting rooms, corridors, classrooms