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.

Product Features:

• Fits all guitars with a soundhole diameter of 10cm
• Reduces all unwanted feedback