The Crossfire FBB-1-BLK Feedback Buster is a special unit designed to reduce feedback on an amplified acoustic/electric guitar. This is particularly useful for live performances solo, or with a band, where subtlety and nuance are essential. To use, simply insert it into your guitar's sound hole when using the pickup system and you're good to go.
- Fits all standard size sound holes
- 100mm in diameter
- Reduces all unwanted feedback