Emma DiscumBOBulator V2, Effect Pedal, Analogue filter pedal, With separate, foot-switchable 10 dB boost, Ideal for single notes & chords, Wide frequency range, Suitable for all instruments, Controls: Boost, Width, Attack & Sense, Switches: Up/Down, True bypass, Power supply via 9V battery or 9V DC power supply unit (coaxial connection - minus on the inside, not included, matching power supply unit available under article nr #409939#), Dimensions (W x D x H): 94 x 123 x 53 mm, Weight: 500 g, Made in Denmark