The Command Advanced Drum Module features 74 drum kits (54 preset, 20 user) with 671 sounds. You can build a custom kit from your own sounds by loading them via a USB thumb drive. Plus, with 60 play-along tracks and a built-in performance recorder, you'll have an endless source of fun and creativity. 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. Load Your Own SamplesThe 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. Features Features 74 drum kits (54 preset, 20 user) with 671 sounds 60 play-along tracks and a built-in performance recorder Built-in metronome and 1/8-inch input for playing along with your mobile device Stereo pair of 1/4-inch outputs Headphone output USB-MIDI output USB memory stick input