Anechoic Test Box

MIL-STD 461 Chamber

Anechoic Test box is an enclosure designed to have high sound insulation and absorption. It is commonly used for measuring the noise produced by products detecting any sounds ensuring quality control and conducting research and development activities. We have utilized our technology in creating a multilayer panel.

Measurement Target

Communication information equipment, precision equipment, electronic components, nanotechnology-related products, environment-related products

Measurement Purpose

Abnormal noise inspection, research and development, product performance acoustic measurement, vibration analysis, environmental testing, etc.

Measuring Equipment

Ordinary, precision sound level meter, FFT analyzer, vibration meter, various acoustic evaluation equipment, etc.

Anechoic Test Box Dimension

DMC-85 W400 X L450 X H400 W850 X L850 X H850
DMC-1050 W600 X L650 X H600 W1050 X L1050 X H1050
DMC-1250 W800 X L850 X H800 W1250 X L1250 X H1250
DMC-1450 W1000 X L1050 X H1000 W1450 X L1450 X H1450

Sound Insulation (Transmission Loss)/dB

Hz 31.5 63 125 250 500 1K 2K 4K 8K
Sound Insulation -24 -34 39 43 51 55 63 64 62
Guarantee Value
Actual Value 29.1 46.2 44.9 44.7 61.8 64.1 71.7 75.6 80.1

Anechoic Test Box Features

Sound Absorption & Insulation

Incorporates AST sound absorption material and a back sound absorption layer for superior acoustic performance. Features a double shield sound insulation door with perimeter sound absorption.

Utilities & Accessories

Our anechoic test boxes utilizes a utility pipe with an inner diameter of 55 in two locations. Includes four M8 hanging hooks for convenient placement.

Table & Handling Mechanisms

The sample table is made of Steel T4.5 and includes a sound-absorbing mat for added functionality. Equipped with a closed handle, operating handle, and die-cast leaf hinge.

Base & Support Features

The dedicated base is height-adjustable, providing versatile positioning. Four-point vibration isolation pads enhance stability and support.

Mobility & Adjustment

Incorporates adjusters and casters for easy mobility. Features an eyebolt M20-24 for additional support.

Finishing & Customization

Includes a sealing gasket for enhanced performance. Offers baked painting in a standard silver color or a color of your specification for a personalized touch.


Enhance your anechoic test box with a variety of upgrades. Whether it’s advanced monitoring tools or specialized accessories, our upgrades provide customized solutions. Enhance your testing environment and create a personalized experience that effortlessly corresponds with your specific requirements.

  • Noncombustible material for the interior
  • Rotating table
  • Limit switch
  • Measurement mesh
  • Grounding grid
  • Electric outlets
  • Openings for additional wires
  • Load-bearing dispersive floor material
  • Internal remote operation
  • Temperature control device
  • Special sound insulation window
  • Adjustable height for the dedicated table
  • Shockproof Design