The Yamaha DTX522K Electronic Drum Set is a B&H Kit that includes the DTX502 Drum Trigger Module, the DTP522 Cymbal and Drum Pad Set and the RS502 Rack System. The DTX502 module includes 50 drum kit presets and has 50 slots for user presets. It also includes built-in effects, a metronome and a pattern sequencer. The DTP522 set features a snare with DTX-PAD for realistic playability and response, two rack toms, a floor tom and a bass drum. It also includes a hi-hat with pedal, crash and a ride. The RS502 rack allows you to attach the drum pads, cymbals and drum module so you can get started playing.