The thunderous punch of a bass drum is the time-honored foundation on which all of rock 'n' roll is built. That thud that hits you in the chest and moves your whole body … it taps into a deep and primal place in our subconscious. But while the crowd is enjoying the power of the bass drum amplified through huge sub-woofers, the poor drummer himself is usually hearing a poxy, paper-thin, bassless pop from a tiny onstage foldback speaker. Trying desperately to feel the bass, they often turn the onstage monitors up to ear-splitting volumes, but you just can't get that kind of low end out of small speakers. Enter the BC2 (formerly known as the BumChum) from Britain's Porter and Davies - a simple two-part system that takes the bass drum signal and literally shakes the drummer's butt with it through a vibrating stool.
Read the full article: Vibrating stool puts drummers in touch with their bottom end