PASSIVE SUBWOOFERpassive subwoofer · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PASSIVE SUBWOOFERTier 1Ordinal215Pythagorean71Reverse217Reverse Reduction91Standard582Final Large582Ordinal141Reduced69Atbash779Isopsephy2645Ordinal224Abjad581