The Kremona UK-1 Passive Piezo Pickup for Ukulele is an essential upgrade for your acoustic-electric ukulele. Encased in lightweight tonewood, UK-1 ensures natural sounding amplification of your ukulele without modification to the instrument. Utilizing the tension of tuned strings, UK-1 installs safely and securely on the tie bar of most ukuleles and comes complete with a detachable, easily replaceable cable. When not in use, UK-1 may be left in place with no detriment to the instrument's acoustic sound.