Aguilar 4-String Hot Jazz Bass Pickup Set With their larger, 16MM magnets and over-wound design, these pickups have a hotter output that loves to push the input of your amplifier with a tone that is big and loud with thundering lows. Despite their sonic onslaught, the AG 4J-HOT will retain all the dynamics of your playing style. Dig in with a pick (or your fingers!) and all of the grit and nuance of your attack comes through without losing the midrange.