KAT KT3 Advanced High Performance Digital Drum Set w/ Single Bass Drum Pedal and Headphones 550 Studio Grade Drum, Cymbal, DJ, EFX, and Percussion sounds 70 Drum Kits, 45 Factory preset and 25 additional user kits Integrated sequencer for recording 100 built in play along tracks USB 2.0 / MIDI output for use with computer software for recording and playback