A complete sound system with proprietary “float-in-head” driver technology that eliminates cabinet resonance distortion!!! An actual 22” bass drum “cabinet” with ported 18” up-firing subwoofer for explosive dynamic and visual bass! Bluetooth, USB and RCA connectivity A stereo pair of full range SpeakerToms™ loaded with 8“ KOAX™ Kevlar drivers!  Includes the small, yet powerful SubDrum® 2.1 Class D amplifier!