The shotgun silencer: Not really silent

The noise generated by the shotgun when fired was 155 decibels, as measured by SilencerCo.

The American-Speech-Language-Hearing Association rates that level as “painful” and compares it to “fireworks at three feet.”

CNNMoney then fired the shotgun fitted with its silencer — the Salvo 12 — which was less loud. But not by that much: 132 decibels.

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