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AlphaSorb® Fabric Wrapped Acoustic Foam Bass Trap

Sold By: Box
Size: 48" x 17" x 12", 24" x 17" x 12"
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Return Policy: This product is non-returnable

Typical Shipping Lead Time: Call for lead times

Product Description

Our AlphaSorb® line of corner bass traps, made of melamine foam wrapped in Guilford of Maine Anchorage fabric, Guilford of Maine FR701 fabric, or SoundSuede™ fabric, are low frequency absorbers that answer your acoustical and aesthetic needs. Our AlphaSorb® Fabric Wrapped Bass Trap is Class 1 fire-rated and is often used in broadcast and recording studios, home theaters, and houses of worship. They provide strong sound absorbing performance, durability, and an elegant appearance. They easily fit into room corners and come in 24″ and 48″ heights, both of which have a 12″ depth. Installing these acoustical bass absorbers is quick and easy. They can simply rest on the floor in the corners or be adhered with water-based panel adhesive or Velcro®.

The featured fabric lines are Guilford of Maine Anchorage, Guilford of Maine FR701, and SoundSuede™. These are acoustically transparent fabrics that are some of the most popular coverings for sound-absorptive materials and acoustic products among industry professionals. These designer fabrics are easy to clean and offered in over 140 solid and heathered colors for your bass traps.

Note: While we make every attempt to accurately display fabrics, colors may vary depending on your screen settings. Before ordering, please request a fabric sample to ensure color and texture. Colors may vary between dye lots.


  • Reduces echo and reverberation
  • Low frequency absorption
  • Exceptional acoustical performance
  • Mold-resistant, fire-retardant
  • Easy Installation

Technical Information for AlphaSorb® Fabric Wrapped Acoustic Foam Bass Trap

  • Size: 12″ depth, 24″ or 48″ height
  • Construction: Open-cell melamine-based foam core with fabric finish
  • Intended Use: Interior, sound absorption
  • Finish: Guilford of Maine Anchorage, Guilford of Maine FR701, or SoundSuede™ fabrics
  • Density: 0.7 lbs./cu. ft.
  • Fire Rating: Class 1 or A per ASTM E84
Sound Absorption (Hz) in Sabins
125 250 500 1000 2000 4000 AVE
4.25 8.35 8.95 7.30 6.15 4.65 7.70

Installation Method

  • These bass traps can easily be mounted to any wall or ceiling surface with water-based construction adhesive.
  • Installation is best done at the end of the construction project.
  • Use clean gloves to prevent soiling material.
  • Melamine foam is fragile and should be handled with care.
  • Do not install material of unacceptable quality.

prop 65 warning icon WARNING: This product can expose you to chemicals including Antimony Trioxide CAS 1309-64-4 catalyst used in polyester fiber production which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

For more information on our AlphaSorb® Fabric Wrapped Acoustic Foam Bass Trap,
call us at 800.782.5742 or contact our sales department.

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