Shruti box professional quality very long stamina ful air tight, get continuous voice with less pump, and very good deep drone sound, compeletly hand made with lots of care, 13 notes chromatic notesLower C to higher c and all notes perfectly worke and nicely tuned. Accurate tuned 440 hz also possible if somebody require 432 hz. We use well seasoned wood, it will be play very well of all weather without any problem. We are making these quality shruti box for professional singera and yoga teachers, also we work for government music school and many others big music school in India.Including with padded gig bag! The item "Shruti box professional quality long stamina very good deep drone sound, hand mad" is in sale since Monday, July 8, 2019. This item is in the category "Musical Instruments & Gear\Other Musical Instruments". The seller is "shanmaker" and is located in DELHI, DELHI. This item can be shipped to United States.