Successful result

Automobile exhaust is here

Soundproof Box


A customer owning his camping car called us one day and wanted to reduce the noise of generator even he bought the generator even ultra-low noise type as inner car usage.

This customer love skiing in winter and go every ski resorts by his camping car. He parks his car in the parking area using the generator for electrical appliances in his car and we had present our idea to reduce the noise for his generator like the following soundproof box for him.

The ultra-low noise type generator means less than 75dB noise measuring 1m off from the generator. We measured the noise with same way and found it rate was 70dB.

With using our Soundproof Box, the noise was reduced -15dB.

Soundproof Box


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