YAMAHA QY700 MUSIC SEQUENCER for composing music QY-700 emory Capacity - Sequencer 110,000 notes (lithium battery backup) Timing Resolution - Sequencer 1/480 quarter-notes (Internal, MIDI) Polyphony Sequencer Maximum 64 simultaneous notes Tempo - Sequencer 25-300, resolution 0.1 Recording Methods - 353 mm x 305 mm x 90 mm (W x D x H) (13 7/8" x 12" x 3 1/2") Weight 3.5 kg (7 lbs., 11 oz.)