Tactile transducers, bass shakers, butt shakers, bass kickers . . . whatever you want to call them; you need them! These devices bring the simulator to life, you will not want to drive without them once you've tried them. . . trust us! Tactile feedback is critical for full immersion. Every sound we hear originates from vibrations and when listening to sound through speakers those vibrations are missing, tactile transducers fill in those missing vibrations for a complete experience. Ricmotech has the experts when it comes to tactile sensations for racing simulators. We carry sim-racing shakers that do the job well and steer clear of cheapo solutions that don't perform adequately. Not sure which one is best for you, email us or give us a call. we're here to help.