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The 3 filters of the Alpine MusicSafe Pro:
| White Filter |
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Suitable for samples and situations where it is particularly important to the fidelity. |
| Silver Filter |
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Suitable for concerts and clubbing nights. Super sound and super protection. |
| Gold Filter |
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Then suitable when it comes to highest protection. |
Here, the insulation values in detail: :
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Hz |
125 |
250 |
500 |
1k |
2k |
4k |
8k |
| White |
dB |
10,2 |
11,2 |
14,3 |
17,9 |
24,0 |
23,4 |
18,0 |
| Silver |
dB |
14,8 |
15,0 |
15,7 |
18,7 |
26,6 |
24,4 |
18,9 |
| Gold |
dB |
18,8 |
15,6 |
16,0 |
18,5 |
27,7 |
23,9 |
22,0 |
Open system: The Alpine MusicSafe never close the earcanal complete. That means the ear canal is pressurized and there is no over-or under-pressure induced by a feeling of pressure.
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