参考サイト： イヤーマフ 防音 重さ 比較（17種類の製品を比較）
| 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 | NRR | |||
|
23.9 | 30.5 | 41.1 | 43.0 | 38.0 | 43.1 | 44.0 | 41.1 | 40.3 | 31 | ||
|
21.0 | 26.0 | 36.6 | 40.6 | 38.0 | 41.8 | 42.7 | 41.7 | 41.3 | 30 | ||
|
17.4 | 24.7 | 34.7 | 41.4 | 39.3 | – | 47.5 | – | 42.6 | 30 | ||
|
23.8 | 28.8 | 35.6 | 39.9 | 35.3 | 38.7 | 39.0 | 41.0 | 40.8 | 30 | ||
|
21.8 | 25.6 | 33.5 | 37.7 | 40.7 | 42.6 | 43.6 | 44.6 | 43.2 | 30 | ||
|
21.7 | 26.9 | 33.6 | 39.6 | 36.8 | 38.8 | 38.0 | 40.3 | 39.7 | 29 | ||
|
23.4 | 27.7 | 29.4 | 42.5 | 38.8 | 39.3 | 42.3 | 39.5 | 39.5 | 28 | ||
|
20.5 | 24.1 | 32.8 | 40.7 | 37.6 | 44.5 | 45.4 | 42.4 | 42.3 | 27 | ||
|
20.8 | 24.6 | 30.0 | 31.6 | 32.0 | – | 38.9 | – | 39.4 | 27 | ||
|
20.6 | 23.6 | 32.2 | 39.9 | 40.2 | 36.8 | 36.7 | 37.1 | 36.8 | 27 |
