– Conical shaped polyethylene foam pad;
– Alámbrico;
– Packed in individual bags per pair;
SNR: 33 H: 33 M: 30 L: 28
FREQUENCY (Hz) | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
Average attenuation (dB) | 28,3 | 32,9 | 34,0 | 35,2 | 35,6 | 34,8 | 43,8 | 46,9 |
Standard deviation (dB) | 4,7 | 5,6 | 7,2 | 8,2 | 6,1 | 4,2 | 4,9 | 4,9 |
Assumed attenuation (dB) | 23,6 | 27,3 | 26,8 | 27,0 | 29,5 | 30,6 | 38,9 | 42,0 |
According to the standard: EN 352-2
PACKAGE OF 200 PAIRS