Hadean Acoustic Electric Bass Ukulele UKB-28 Spalted Made from the finest high quality materials including a spalted maple 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 Trus-Rod Adjustable neck and Built-in chromatic tuner with LCD display. Removable rear panel for easy string changing 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!