Description
Certification data (according to EN-352-2:2002)
Pro | Filter color | SNR | H | M | L |
Pro 15 dB | Purple | 16 dB | 16 dB | 13 dB | 11 dB |
Pro 20 dB | Grey | 19 dB | 19 dB | 17 dB | 14 dB |
Ultimate | Filter color | SNR | H | M | L |
Ultimate 15 dB | Blue | 15 dB | 15 dB | 13 dB | 12 dB |
Ultimate 20 dB | White | 17 dB | 15 dB | 18 dB | 18 dB |
Ultimate 25 dB | Black | 20 dB | 19 dB | 19 dB | 18 dB |