The Y.E.S.S. II-m model, which uses a metal plate instead of the ... 898g (9-15/16 x 5-13/16 x 2-1/16 inch, 2 lbs) ... 5.5125kHz: 3 min. 4 sec. Sample formats WAV, ...
https://asia-latinamerica-mea.yamaha.com/files/download/brochure/2/324792/Drum_mini_catalog.pdf