Size available: sm and md

Fits all 3/8" x 32 standard thread Jacks

strong solid brass

compatible with most :

-Martin guitars with Fishman Electronics

-Taylor guitars up to 2002

-switchcraft output jacks

Pick Pouch Key Ring

Feedback Buster reduces feedback for an Acoustic/Electric guitar.

Insert Feedback Buster into your guitar`s sound hole while using the pickup system and it reduces unwanted feedback, allowing greater sound control.

Fits all…

Introducing the only acoustic device ever created to enhance the sound of a Guitar.
The O-PORT will make any Acoustic Guitar sound richer, fuller and louder with more clarity and better projection.
It will suppress feedback…