Some songs you may find the base doesnt work well with the most intense sound that may cause the bass to float. Distort the base If you want to match the band sound over a range of clean baselones instead of the intense distortion like fuzz and properly use the overdrive with light gains. Based on the popular Surfing Bear OVERDRIVE pedal from Animals Pedal, the Surfing BEAR OVERDRIVE pedal to complete the ultimate bass overdrive with the hands of the demonic effect builder, BJF, this is the SURFING POLAR BEAR BASS OVERDRIVE MOD BY BJF. Not only does this create distorted sound from the 60s and 70s classic bass amplifiers, but it is also effective when modern electric bass play with rhythm guitar and unison to create a doubling effect. Not only does it respond high to the dynamics of play, but you can also play clean and overdrive at hand Clean for soft play and overdrive for hard play. Not only is it bandwidth, but also the texture of the distortion, the strength of the core that makes you feel the sound that is important as the base, and the tone that meets beautifully. It has a high quality texture that you will want to keep on for a long time, and it can also be used as a base to convey the expression of play as well. ●Control VOL: Adjust the volume of the whole body. DRIVE:Adjusts distortion strength TONE:Adjust the tone You can also adjust the bandwidth that is essential for bass sound, especially in an ensemble. SURFING POLAR BEAR BASS OVERDRIVE MOD BY BJF uses a True Bypass Foot Switch and is powered by a 9V battery or a standard center negative DC9V adapter. Specifications: Current Consumption: 4mA; Input Impedance: 330K; Output Impedance: 50K; *When using batteries, please unplug from the input jack to reduce battery wear when storing the effector. Also, please remove the batteries when you are not using them for a long time.