Used Mad Professor Blueberry Bass Overdrive Bass Effect Pedal

Used and in great condition, the Mad Professor Blueberry Bass Overdrive is a versatile bass effect pedal designed to deliver warm, natural overdrive tailored for bass frequencies. Ideal for blues, rock, and vintage tones, the Blueberry retains your low-end punch while adding rich, tube-like saturation. It features simple controls—Drive, Volume, and Nature—for easy tone shaping, allowing you to dial in everything from subtle grit to more aggressive edge. Built in Finland with high-quality components, it offers true bypass switching for pure signal integrity. This compact unit is perfect for gigging bassists or home players looking to enhance their tone without sacrificing clarity. Powered by a 9V battery or standard 9V DC power supply (not included), it's pedalboard-friendly and built to last.