Sonora Technology Co., Ltd. JAPAN

Acoustic Simple Anechoic Test Box

Simple Anechoic Test Box

The Simple Anechoic Test Box is a small anechoic box with a high sound insulation (Transmission Loss) and sound absorption capability.It is used for noise measurement on products, allophone inspection, quality control, and for research and development. We developed the layered panel more than 200 times, and finally realized “complete type” . Nothing is ever perfect like our simple anechoic test box now. We are enjoying favorable reviews from our customers all over the world.

Acoustic Simple Anechoic Test Box


Communication equipments, precision instruments, electronic products, nanotechnology-related products, and environmental-related products


For allophone inspection, research and development, sound measurement for evaluating product capabilities, vibration analysis, environmental tests, etc.


Sound level meters, precision sound meters, FFT spectrum analyzers, vibration meters, all kinds of sound evaluating equipments, etc.

Size, model(Unit: millimeters)

Model Inward Outward
TYPE-1 W400×L500×H400 W850×L850×H850
TYPE-2 W600×L700×H600 W1050×L1050×H1050
TYPE-3 W800×L900×H800 W1250×L1250×H1250
TYPE-4 W1000×L1100×H1000 W1450×L1450×H1450
Free Free Free

List Price

Model List Price
TYPE-1 1,050,000 JPY
TYPE-2 1,350,000 JPY
TYPE-3 1,650,000 JPY
TYPE-4 1,950,000 JPY
Custommade As requested

Sound Insulation Value (Transmission Loss)/dB

Hz 31.5 63 125 250 500 1K 2K 4K 8K
Guaranteed Value (24) (34) 39 43 51 55 63 64 62
Acutual Value 29.1 46.2 44.9 44.7 61.8 64.1 71.7 75.6 80.1
Competitor 17 20 27 35 40 45


  • Base for the Anechoic Test Box
  • Mat for anti-vibration (Thickness=10mm*2)
  • Layered metal sound insulation panel
  • Sound absorption layers: AST sound absorbers and Back sound absorbers
  • Double-sealed sound insulating door
  • 2φ 89.1mm holes for wiring
  • Steel Table -Hardware
  • Accessory
  • Sealed handle with a counterclockwise fastening
  • Leaf hinges
  • Adjusters for anti-vibration
  • Swivel and rigid casters
  • Eyebolts (20mm-24mm)
  • Painting: Baking finish in standard color or specified color
Customization Example A

Customization Example A

Customization Example B

Customization Example B

Customization Example C

Customization Example C


  • Delivery 4 weeks (ex-works) plus 2-3 weeks (CIF by sea)
  • Anechoic Test Box does not need site-installation. Exporting, and related packing would be available.
  • Sound absorbers are fire proof, and can last their shape better.
  • Non-flammable sound absorption materials are available. (Option)
  • Layout drawing, Instruction Manual, and Transmission loss test data will be submitted.
  • We can suggest measuring instruments such as sound level meters and analyzing equipments.
  • Any box size would be available, also can regulate the sound absorption coefficient to suit each measuring object.
  • We will do a sound insulation capability test. We guarantee the sound insulation values.

Sonora Technology Co., Ltd.
Verte Bldg 2F 2-40-5, Seijo, Setagayaku, Tokyo 157-0066, Japan
E-mail :

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受付時間 / 9時~17時


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    〒412-0046 静岡県御殿場市保土沢1157-332  東名高速道路 御殿場ICより約15分
    TEL 03-6805-8988 / eFAX 03-6740-7875(全支店共通)


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