Millenium MPS-600 E-Drum Module - 674 voices (drums, percussion, SFX...), 18 hi-hat combinations. General MIDI backing voices: 128 GM instruments, 40 preset kits, 59 user kits, 120 preset songs, 100 user songs. Mixer: drum volume, ACMP volume, SD Card MIDI volume, click volume. Click: click voice, time signature, tempo, interval, volume. Effect type: reverb, 4-band master EQ. Connections: power, aux in, output (R), output (L/mono), kick, ride, crash 1, crash 2, snare, hi-hat control, hi-hat, tom 1, tom 2, tom 3, tom 4, MIDI out, MIDI in, USB port, phones. Disk: Secure Digital Card slot.