Schaller Megaswitch E+. Get more out of your guitar's pickup combinations. Pickups such as singles coils (one magnetic coil) and/or humbuckers (with 2individual coils) can be interconnected in different ways. This opens up a wide variety of sound combinations in electrically amplified instruments such as electric guitars or electric basses equipped with multiple pickups. Whether parallel, series connection or out-of-phase, we offer the following variety of Megaswitch toggle and rotary types like E, E+, S+T, P or M.