D'Addario: Screeching Halt and Feeback Buster Insert


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The SH01, Screeching Halt or Sound Hole cover is a soft rubber insert which eliminates feedback. It has a tapered design to fit smoothly into your Acoustic guitar. It also means you do not have to modify your instrument.


  • 4" Diamiter
  • Eliminates Feedback
  • Soft Rubber
  • Easy to install and remove

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