Sound and noise control
  Your One-Stop Resource for Soundproofing and Noise Control Solutions
Applications What’s Your Problem? Acoustics 101 Soundproofing Tips Literature Photos News
Who We Are International Sales Contact Us Links Site Map Blog Home
dBA Panels


Stay Connected


National Save Energy Coalition

Specifications subject to change with out notice.

© Acoustical Surfaces, Inc. – All Rights Reserved.
Compact Sound Masking System


Low-Profile Sound Masking Loudspeaker

The SMS-FLAT is a 25-volt system loudspeaker designed to generate the optimum sound masking spectrum in a very compact configuration. It is equipped with a dual transducer in bipole configuration.

It is u sed in very tight plenum spaces or in open ceilings. The speaker is typically mounted directly above the deck. A rotary switch allows quick adjustment of the output level with 4W, 2W, 1W, ½W power available with a 25-Volt supply. The loudspeaker is also compatible with 70-Volt systems with 8W and 4W, adjustment available.


  • Power: 10 watts
  • Line Voltage: 25V & 70V
  • Sensitivity: 85 dB
  • Material: Metal
  • Frequency Response: 100-8,000 Hz
  • Connectors: Push Terminal & Lock-Screw
  • Driver: Dual 1″ × 4″ (2.5 × 10 cm)
  • Color: Black or White
  • Weight: 2.5 lbs (1.13 kg)
  • Shipping Weight: 2.7 lbs (1.21 kg)
  • Size (W × H × D): 7-7/16″ × 5-5/16″ × 2″ (188 × 134 × 50 mm)
Low Profile Speaker Frequency Response

Click PDF IconPDF Iconto download printer friendly file format of product specs.

Click Get Adobe Reader to download a free copy of Adobe Acrobat Reader.

• Soundproofing Products • Sonex™ Ceiling & Wall Panels • Sound Control Curtains • Equipment Enclosures • Acoustical Baffles & Banners • Solid Wood & Veneer Acoustical Ceiling & Wall Systems • Professional Audio Acoustics • Vibration & Damping Control Fire Retardant Acoustics • Hearing Protection • Moisture & Impact Resistant Products • Floor Impact Noise Reduction • Sound Absorbers • Noise Barriers • Fabric Wrapped Wall Panels • Acoustical Foam (Egg Crate) Acoustical Sealants & Adhesives • Outdoor Noise Control • Assistive Listening Devices • OSHA, FDA, ADA Compliance • On-Site Acoustical Analysis • Acoustical Design & Consulting • Large Inventory • Fast Shipment • No Project too Large or Small • Major Credit Cards Accepted

sound absorption noise blocking fabric wrapped panels soundproof foam
noise barriers acoustical panels soundproofing drywall