For 20 years, GB bass line has been one of the most popular Cort bass lines. In 2017, Cort introduced all-new GB bass lines with many upgrade features and enhanced design treatment. From entry-level bass for beginners to professional bassists seeking premium bass, GB bass can continue its role to serve all those bass players demand. GB34JJ features 2-band active electronics providing a wide range of sounds for a variety of playing situations and musical genres.