The SMS-STR fires sound upward into the plenum or open ceiling, letting it bounce off the deck and settle evenly across the space. The result is a calm, uniform background that raises speech privacy and acoustic comfort without drawing attention to the source.
| Specifications | |
|---|---|
| Power | 10 W |
| Line voltage | 25 V / 70 V |
| Sensitivity | 92 dB |
| Enclosure material | Painted 19-gauge steel |
| Frequency response | 100 Hz to 10 kHz |
| Connectors | 120 mm (4¾") wire lead |
| Driver | 13 cm (5") full range |
| Color | White (RAL 9016) or Black (RAL 9011) |
| Anchor device | 10 mm hook at the center |
| Seismic security | 3× 5 mm holes on the top edge |
| Certification | UL 62368 / UL 2043 |
| Chicago CCEA approved | Yes, CCEA version available |
| Weight | 1.9 kg (4.2 lb) |
| Shipping weight | 2.3 kg (5.1 lb) |
| Dimensions | Ø 19.5 × 12 cm (Ø 7⅝ × 4¾") |
| Box dimensions | 26 × 26 × 15 cm (10¼ × 10¼ × 6") |
From system design guidelines to installation manuals and technical drawings, our documentation gives specifiers, integrators, and facility teams everything they need to deploy Soft dB sound masking correctly.
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The brains of your sound masking system. Controllers generate the broadband masking signal and coordinate it across speaker groups, delivering the right level to each office zone. They double as multi-input amplifiers for paging and ambient music.
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A building automation interface, but specially developed for easy sound masking system management. Design, commission, and run the system from one graphical view of every component and wire, laid over the office plan. Adjusting volume and EQ for any masking or paging zone takes seconds.
Learn moreTraditional systems raise and lower masking on a fixed timer, guessing at how busy a space will be. Adaptive sound masking measures the real ambient noise and adjusts continuously, so speech privacy and comfort stay consistent whether the floor is packed or empty, with no one touching a dial.
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