This Boss advert from 1988 features its groundbreaking multi-effects ME-5 unit. The Boss ME-5 is a versatile effect device that includes five different effects, each with its own footswitch. Each of these used circuits from 80s Japanese made Boss effects modules: the CS-2, DS-1, OD-2, RV-3, EQ-1, CE-1, DD-2, and BF-2. The incorporation of these classic (mostly analog) pedals into these ME-5 units is one reason why they are still sought after more than 30 years later.