Hadean Acoustic Electric Bass Ukulele UKB-22 NM Made from the finest high quality materials including a zebra wood body Comes with preamp for amplified use with volume, bass, mid, and treble control Uses Aquila Nylgut strings which assure tuning stability provides increased accuracy of fret-intonation Integrated Tuner for fast and easy tuning + Removable rear panel for easy string changing +Trus-Rod Adjustable neck and Built-in chromatic tuner with LCD display Set up with the same notes as a full size bass guitar (E, A, D, G), this portable bass ukulele is a joy to play!