Acoustimac DMD Acoustic Panels Review NRC Ratings Installation and What to Expect

Overview

The Acoustimac Sound Absorbing Acoustic Panel DMD 4 x 2 x 2 CHARCOAL is a fabric-wrapped acoustic treatment panel for wall installation. Acoustimac publishes technical data for a 2-inch Owens mineral-wool core configuration intended for sound absorption and echo control.

The panel is designed to improve room sound quality and reduce echo. It supports acoustic treatment where reflected sound is a priority. However, its stated role focuses on sound absorption through fixed wall placement.

Each 48 x 24 x 2 inch acoustic panel covers 8 square feet. Its cabinet-grade wood structure combines a rigid frame with a dense absorptive core.

Key takeaways

  • The panel measures 48 inches by 24 inches by 2 inches and covers 8 square feet.
  • Acoustimac publishes a 2-inch Owens mineral-wool core configuration for broadband sound absorption.
  • The reviewed configuration is described with an average NRC of .95 or higher; published absorption data vary by core and thickness.
  • DMD fabric covers the front and sides, while wood forms the inner frame and backing.
  • The panel carries an ASTM E84 Class A fire rating.
  • Mounting brackets, hardware, and screws come with the panel.

What the product is designed to do

This fabric-wrapped acoustic treatment panel is intended to address reflections across low-mid to high frequencies. Also, its published frequency data covers test points from 125 Hz through 4000 Hz.

The suggested home settings include foyers, grand rooms, man caves, living rooms, and home theaters. In addition, studio settings include professional recording studios and home studios.

Office applications cover offices, lobbies, waiting areas, conference rooms, and break rooms. Restaurant settings include diners, bistros, cafeterias, and eateries.

Church acoustics applications include churches, mosques, synagogues, temples, and ashrams. Also, school and gym settings include classrooms, multipurpose rooms, libraries, offices, lunchrooms, and gymnasiums.

Materials, dimensions, and technical details

Detail Specification
Dimensions 48 inches by 24 inches by 2 inches
Coverage 8 square feet per panel
Core 2-inch Owens mineral-wool core configuration described in Acoustimac technical data
Frame Cabinet-grade wood inner frame
Surface DMD fabric on the front and sides
Backing Wood backing
Weight Approximately 10.5 pounds
Average NRC .95 or higher for the reviewed configuration; published values vary by core and thickness
Fire classification ASTM E84 Class A
Manufacturing Made in the USA

The wood structure supports fixed wall placement and gives the panel a rigid internal form. Also, the dense mineral wool core supplies the stated sound absorption characteristics.

Installation and placement notes

The panel includes mounting brackets, installation hardware, and screws for wall mounting. Next, the easy-mount hardware supports direct placement on drywall or another suitable wall substrate.

Its approximate 10.5-pound weight calls for secure wall mounting. Also, the rigid wooden frame and wrapped fabric surface suit fixed wall positioning rather than freestanding placement.

The intended placement covers rooms where echo control and reflected-sound reduction are priorities. A guide to reducing echo in a room can add context for planning panel locations.

Performance characteristics described

For Acoustimac's published 2-inch Owens mineral-wool configuration, the listed absorption coefficients are 0.22 at 125 Hz and 0.82 at 200 Hz.

The same published configuration lists 1.21 at 500 Hz, 1.10 at 1000 Hz, 1.02 at 2000 Hz, and 1.05 at 4000 Hz. These are configuration-specific absorption coefficients rather than universal values for every Acoustimac core option.

These figures support its intended use as a broadband absorber across low-mid to high frequencies. The high NRC acoustic panel combines those ratings with a 2-inch mineral wool core.

Acoustimac states that its finished products meet or exceed ASTM E84 Class A for surface-burning characteristics. Project-specific fire and building-code requirements should still be checked for the intended installation.

Review patterns buyers commonly mention

Repeated feedback focuses on improved room sound quality and reduced echo. Also, buyers commonly connect the panel with reduced reflected sound in offices, studios, and home theaters.

Construction quality, appearance, and ease of installation form additional repeated patterns. In addition, included mounting brackets appear frequently in installation feedback.

Some feedback identifies the charcoal tone as darker than its image appearance. A broader guide to wall treatments for echo and reflection control covers related sound-absorption applications.

Pros

  • Reviewed configuration described with an average NRC of .95 or higher
  • Published absorption coefficients for the 2-inch Owens mineral-wool configuration from 125 Hz through 4000 Hz
  • Published 2-inch Owens mineral-wool core configuration
  • Cabinet-grade wood inner frame and backing
  • ASTM E84 Class A fire rating
  • Mounting hardware and screws included

Cons

  • The 10.5-pound weight requires secure wall mounting.
  • The charcoal tone may appear darker than its image appearance.
  • The rigid frame supports fixed wall positioning rather than freestanding placement.

FAQ

What are the panel dimensions?

The panel measures 48 inches by 24 inches by 2 inches. Also, each unit covers 8 square feet.

What material forms the sound-absorbing core?

Acoustimac publishes a 2-inch Owens mineral-wool core configuration for this type of panel. The panel also uses a wood frame and backing.

What NRC values does the panel use?

The reviewed configuration is described with an average NRC of .95 or higher. Acoustimac's published 2-inch Owens mineral-wool data run from 0.22 at 125 Hz to 1.05 at 4000 Hz, with the individual coefficients depending on frequency.

If you are deciding between this type of surface-mounted absorber and a broader construction-oriented acoustic board, see our Acoustimac DMD vs Quieture SoundBoard comparison. The comparison looks at the difference between Acoustimac's NRC-focused panel approach and Quieture's wall, ceiling, and floor assembly positioning.

Does the panel include mounting hardware?

Mounting brackets, installation hardware, and screws come with the panel. The wall-mounted acoustic treatment panel supports fixed wall installation.

Which rooms suit this acoustic panel?

Suggested settings include homes, studios, offices, restaurants, religious spaces, schools, and gyms. Examples include home theaters, conference rooms, classrooms, libraries, and gymnasiums.