Built with a sleek chassis designed for use with any brand of pedalboard, isolated multi-tap inputs, and up to sixteen sources with voltages from 9V to 20V, the MXR Custom Audio Electronics MC-403 is a workhorse power system. Conceived as part of MXR's CAE line which is a collaboration between the two companies, boutique attention and large-scale production come together for failsafe power. Whether you're just starting out or an effects veteran, the MC-403 is an excellent option which will last for years.