Rotary Subwoofer - Worlds Lowest Freq Subwoofer

capable of generating greater than 120dB SPL of frequences from 20Hz down to less than 1Hz!!! Read more at . This video is the first time this invention has been shown. You won’t be able to hear the low stuff on your PC speakers, they won’t go below 50-100Hz for sure! The fan self-noise is filtered out in the production enclosure. See for how University of Hawaii recreated earthquakes with the TRW! update anecdote: during testing while this vi