Earthquake Sound Earthquake Sound SLAPS-M12 12-inch Passive Radiator for Home or Car Subwoofer

Style:12-inch The new and improved SLAPS-M12 allows you to mass tune the passive radiator to obtain the ideal tuning frequency and additional bass without any additional amplifier power or enclosure volume. Just like its predecessor, the SLAPS-M (Symmetrically Loaded Audio Passive System - Mass Tuned) is a patented system that dramatically increases subwoofer efficiency and capability for ultra low frequency reproduction at high decibel levels.