The 2019-2020 catalog is available now!
Since 1976 JSI has provided teachers with exceptional customer service. By offering the best rental program in the country, a vast selection of new and antique instruments and bows, sheet music, method books, teaching aids, and every imaginable stringed instrument accessory, we help teachers maintain their teaching studios.
Ensuring that you instrument and case are properly humidified before using the Two-Way Humidification System is essential in order to receive the maximum benefits and longevity of the product. The D'Addario Two-Way Humidification Packets allow you to safely restore an instrument and case that is in a known dry condition or has previously not been humidified to the proper humidity level without the danger of over humidification.