2 Linear Filters (-10/17/21/25 dB) - STEREO

Lin. Ocean -10 dB  SNR: 10 | H 10, M 6, L 6
Lin. Blue -17 dB  SNR: 15 | H 14, M 13, L 14
Lin. White -21 dB  SNR: 17 | H 14, M 17, L 18
Lin. Black -25 dB  SNR: 21 | H 19, M 20, L 20
 
Filter tool included