Semi-Hollow body with a sustain block for the modern, deep-resonating bass sound. Fitted with Höfner staple PUs. Available in transparent black (BK), sunburst (SB) Karl Höfner GmbH & Co. KG is a German (originally Austro-Bohemian) manufacturer of musical instruments, with one division that manufactures guitars and basses, and another that manufactures other string instruments, such as violins, violas, cellos, double basses and bows for stringed instruments. Much of Höfner's popularity is attributed to Paul McCartney's use of the Höfner 500/1 electric bass guitar throughout his career. This violin-shaped model is commonly referred to as the "Beatle bass".