• Passive Humbucker with a ceramic magnet
• Natural and warm sound with wide dynamic range
• Pole Pieces adjustable to obtain the optimum balance and tone  
• Volume adjustable and high impedance passive design, no battery required
• Suitable for steel-string guitars, soundhole diameter from 3.54" to 4.33" （90mm to 110mm)

Specifications

★ FITS in soundholes from 3.88” (98.5 mm) to 3.94” (100mm) diameter.

★ HIGH impedance passive design, no battery required.

★ BUILT with Customized Rare Earth Neodymium Magnet and Single Coil with Handwound Oxygen-Free Copper.

★ SOLID Beech Wood Housing for better transmission of Acoustic Vibrations with Super String Balance and Pure Acoustic Clarity.

★ CAME with Studio Grade Lossless Transmission Audio Cable.

★ QUICK Installation and Storage, no drilling required, harmless for guitars.