Soft dB CMS-II Small Office Sound Masking Controller

• Each CMS-II provides:
  •  Touch-screen user interface
  • 1 or 2 speaker outputs (zones)
  • Up to 12 speakers per zone
  • Independent settings for each zone
  • Volume adjustment
  • Bass/treble adjustment
  • 12 pre-set equalizers to fit the sound environment
  • Adjustable ramp-up period.
  • Music/Paging:
  • Paging trigger to lower sound masking volume while paging
  • Emergency mute relay • 2-Level pass code locking
  • Versatile enclosure with multiple configurations:
  • Desktop • Wall-Mount
  • Flush-Mount

The CMS-II works with the complete range of Soft dB sound masking speakers therefore allowing this compact system to be installed in virtually any office type: open-plan offices, private offices, and meeting rooms with suspended ceilings, exposed ceilings, radian metal ceilings, raised access floors, etc.

Speaker Outputs:

• Nb Outputs (Zones): 1
• Max Nb Speakers/Output: 12
• Connector: 2-pos. screw terminal

Sound Masking

• Volume: ±10 dB with respect to selected pre-set equalizer
• Equalizer: 12 pre-set equalizers with ±10 dB gain and ±5 dB Bass/Treble to fine-tune sound masking
• Volume Ramp-Up: User defined, 1day to 4 weeks

Music and Paging

• Input: 1 (Stereo, ±1.5V range)
• Connector: 3-pos. screw terminal (Left, Gnd, Right)
• Mixer: Independent for each zone
• Volume: 0-100% in 1% step
• Equalizer: ±5dB Bass/Treble

Emergency Mute Relay

• Input: 1
• Connector: 2-pos. screw terminal, isolated
• Function: Mute sound masking (and music/paging if required), for UL2572 compliance

Power

• Rated Power: 25W
• Operating Voltage: 24V
• Connectivity: Barrel connector or 2-pos. screw terminal for wall-mount configuration

Physical

• Size: 168mm x 124mm x 47mm (6 5/8” x 4 7/8” x 1 13/16”)
• Weight: 450g (1.0lb)
• Mounting Configuration: Desktop, Wall-mount (with built-in key-holes), or Flush-mount*

Warranty

• Warranty: 5 years

Certifications

• UL 62368– Standard for Audio, Video and Similar Electronic Apparatus – Safety Requirements
• FCC – EN 55103-1&2 – Electromagnetic compatibility-Product family standard for audio, video, audio-visual and entertainment lighting control apparatus for professional use – Part 1: Emissions, Part 2: Immunity

Related ASTM Standards

• ASTM E1374-06 (11) – Standard Guide for Open Office Acoustics and Applicable ASTM Standards
• ASTM E1573-09 – Standard Test Method for Evaluating Masking Sound in Open Office Using A-Weighted and One-Third Octave Band Sound Pressure Levels
• ASTM E1130-08 – Standard Test Method for Objective Measurement of Speech Privacy in Open Offices Using Articulation Index
• ASTM E2638 – Standard Test Method for Objective Measurement of Speech Privacy Provide by Closed Rooms

*Can be installed directly in the wall or using a 3-Gang NEMA device box