Fishman Neo-D Features:

• State-of-the-art magnetic field/coil structure is similar to Fishman's award-winning Rare Earth
• Experience an articulate brilliance that complements any playing style
• Unique arrangement of neodymium magnets exhibits excellent string balance
• Passive design doesn't require a battery
• Offers easy installation with no alteration to your guitar
• Fits in soundholes as small as 3-7/8" in diameter