More on Amazon.com : http://www.amazon.com/gp/product/B0009ZGWEY?tag=purrfectcatdi-20 <br /> <br />Buttkicker BK-mini-CT Mini Concert Tactile Transducer Shaker <br /> <br />Excellent for project and home studios and in-studio playing <br />Great for keyboard players or any musician using an in ear monitoring system <br />Designed by musicians and studio engineers <br />Patented magnetic suspension makes it more powerful musically accurate and long lasting than any other shaker or tactile transducer that uses voice coil technology <br />3 in high x 475 in wide 2 pounds
