Mooer BEM Box, Multieffect processor for electric bass, 8 effect modules, 55 effect types, 15 drive sounds - 6 pedals & 8 amplifiers, 40 Preset & 40 User patches, 40 drum rhythms, tuning and patch pre-select recall function, assignable expression pedal, Power: incl. 9V DC power supply or 4 x AA battery, Dimensons: 158 mm (D) x 237 (W) x 63 mm (H)