Roland MC-101 GROOVEBOX   ZEN-Core sound generator with up to 128 voices 4 Parts 4-Track sequencer with up to 128 steps 16 Clips per sequencer track Up to 4 looper tracks with time stretch and pitch shift 3000 Preset sounds and 80 drum kits Import of user samples and loops via SD card Available memory space for user samples: 12 Minutes in mono, 6 minutes in stereo (@ 44.1 kHz) Supported formats for user samples: WAV File (mono/stereo), 16/24-bit, 32-96 kHz Effects: EQ and multi-effects per part (90 different effects types) Master effects: Compressor, EQ, Reverb, Delay, Chorus Comfortable programming via the 16 backlit pads 4 Backlit faders and 4 rotary knobs Mix up tracks, patterns and loops in your DAW via USB connection Integrated USB audio/MIDI interface Battery operation for up to 5 hours (4 x AA batteries) Dimensions (W x D x H): 224 x 132 x 61 mm Weight: 716g Includes 4 x AA batteries and SD card Connectors: Stereo output: 6.3 mm Jack Stereo headphone output: 3.5 mm Jack MIDI In/Out USB B type port