feedback reducer against unpleasant feedback

• for Acoustic Guitars with a large sound hole
• material: elastomeric rubber
• diameter: 3.97" - 4.05" (101 - 103 mm)
• colour: black

The Techra Feedback Reducer fits all standard sized sound holes. The large type (101-103mm) is suitable for Martin, Takamine, Yamaha, Garrison, Ibanez, Taylor and many others.