The Boost/Line Driver features a simple yet highly effective design that addresses various issues related to mismatched line levels and signal conditioning, particularly when combining effects. The circuit design of the MC401 has been utilized for years by CAE in the rigs of some of the world's best guitarists to resolve these issues and restore the sparkle, punch, and brilliance that may diminish. Additionally, it can function as an ultra-clean boost (up to +20dB) for solos or to enhance the dynamics and sensitivity of effects.