Brand: JOYO - Model: DR.J D52 - Quantity: 1 piece - Color: Yellow + black - Material: Aluminum alloy + plastic - Compatible Models: Suitable for electronic guitar folk guitar classic guitar bass - Application: Changes sound effect enhances quality of recording - Made your bass sound more attractive - It is specially designed for bass player with concise panel but excellent tone from rock to metallic bass - With 3 tone switch options you won't get troublesome for the specification adjustment of general tone knobs - It is indeed omnipotent from bass accompaniment for the low-key rock band to prominent outstanding bass solo - True bypass design to minimize the tone loss - Packing list: -1 x Bass Overdrive