Interruptor Dimarzio 3-Vías 4PDT - Ibanez JPM John Petrucci JEM RG Music Man Les Paul
Dimarzio 3-Way 4PDT SWITCH - Ibanez JPM John Petrucci. The switch is a 4 pole, Double throw type. Its wiring possibilities are endless, but it found its most famous use on the Ibanez JPM John Petrucci models.