Boss

The ME-20B is a powerful multi-effect optimized for the live performances. With the same potential as the ME-20 for guitar, the ME-20B is aimed at bass players who want have a solid product, simple to use and great quality at a really interesting price. They can be used and customize a wide variety of effects, such as compressor, overdrive, distortion, T-Wah, phaser, flanger, chorus, delay, reverb, defretter, synth, and many others yet.