Home / Acoustic Filters / Impulse Filters / 9 dB Impulse Filter with Full-Block Switch (pair) 9 dB Impulse Filter with Full-Block Switch (pair)$80.00 Out of stock Categories: Acoustic Filters, Impulse Filters Related products 20 dB Industrial Filter (pair) $80.00 10 dB DS Filter (pair) $80.00 25 dB Daily Relief Filter (pair) $80.00 15 dB Music Filter (pair) $80.00