In Stock. 45 Day Lowest Price - 100% Satisfaction Guarantee. AThe Hot Drive'n Boost MKII is similar to the Hot Drive'n Boost but has a rougher and deeper sound. With the BOOST feature the Hot Drive'n Boost MKII is a "TWO In ONE" pedal. That allows you to get that extra "kick" (up to 20db) for solos to really stand out.