The best sound'. '.strtoupper('w')henever you need it'. '.strtoupper('t')he radial stagebug sb 4 active piezo di box is the ultimate companion for your violins cellos and other instruments equipped with a piezo pickup'. '.strtoupper('w')hether youre on stage or in the studio youll get crystal clear audio'. '.strtoupper('n')o squawks'. '.strtoupper('n')o peaks'. '.strtoupper('a')nd no feedback'. '.strtoupper('s')imple yet powerful control'. '.strtoupper('a')longside its plug and play design the sb 4 is ready for any eventuality'. '.strtoupper('i')nstantly correct phase alignment with the 180 degree polarity switch'. '.strtoupper('o')r quickly tame your low end with the high pass filter'. '.strtoupper('i')ts all there'. '.strtoupper('r')ight at your fingertips'. '.strtoupper('p')ortable and practical'. '.strtoupper('t')he sb 4 is designed to fit neatly into your instrument case'. '.strtoupper('a')nd with a robust construction youll never have to worry about knocks and drops getting in the way of your performance'. '.strtoupper('t')his is the easiest way to guarantee professional sound.