-10dB Flat (For Acoustic Performances), -24dB (For working in noise), Block Filter, Impulse Filter, Inferno -10dB linear / -20dB non-linear attenuation, -15dB Flat (For DJs, Musicians), -22 dB(For clubbers, bartenders), -17dB Flat (For DJs, Sound Engineers), -20dB Flat (For Drummers, El. Guitarists), -24 dB (For racing & motorcycle drivers), -24 dB (For relaxing & sleeping)