This 9-piece electronic drum kit features an exclusive Alesis mesh snare and mesh kick (patented) that deliver an authentic drumming experience. Along with an 8” mesh kick and a 10” dual-zone mesh snare drum, there are also two 9” dual-zone rack toms and an 11” dual-zone floor tom. The set also features a 10” ride cymbal, a 10” hi-hat with pedal and a 10” crash with choke. The included Advanced Drum Module features 70 drum kits (50 factory + 20 user) with over 600 sounds and 60 play-along tracks, built-in metronome to sharpen your skills and more. A premium chrome 4-post rack keeps everything solidly anchored, no matter how hard you play.The included Command Drum Module features 70 drum kits (50 factory + 20 user) with over 600 sounds and 60 play-along tracks built-in. To further sharpen your skill, there’s a built-in metronome and 1/8-inch input for playing along with your mobile device, so you’ll be ready for the studio or stage. There is also a stereo pair of 1/4-inch outputs, headphone output, and a USB-MIDI output for triggering your favorite virtual instrument plugins.The Command Drum Module also features a USB memory stick input. You can use this input to load your own .WAV samples for the ultimate flexibility. Once the .WAV samples are loaded, you can easily assign these to any zone of any pad on the Command Kit. The sonic possibilities are endless! You can also load in .WAV files of play-along tracks using this input.