The JP150 John Petrucci Signature features an African Mahogany body with beveled edges and a forearm contour, and topped with highly figured, Quilted Maple. The roasted hard maple neck with 24 medium jumbo frets has a slightly asymmetrical back carve with a flatter bass side to naturally fit the curve of your hand. Other shred-friendly features include a Sterling Full Float Modern Trem bridge, locking tuners, and a 3-way pickup switch for easier access. br/ br/ The JP150 comes with Sterling By Music Man designed pickups with a 12dB push-push boost on the volume control, delivering a flowing, singing solo tone when used with a heavily overdriven amp and a clear chord sound with a clean amp setting. nbsp;You get a big, tight sound that s neither muddy nor thin. br/ br/ Highly respected in the metal/prog community, John Petrucci of Dream Theater is known worldwide for his incendiary chops, creative songwriting and incredible tone.