Sound Hole Covers

Soundhole insert, diameter 10cm

This tool prevents annoying feedback, which is often a problem on stage with electric and acoustic guitars.

Feedback-free performance at high volumes

Simple to install & remove

Safe for nitrocellulose finishes

Flexible rubber pad to close soundhole

The Feedback Stop effectively prevents acoustic feedback

For classic guitar, diameter 85 mm, suitable for most models with 83 - 86 mm soundholes

For 100mm - 102mm sound hole. Eliminate feedback of electric acoustic guitars, Special design for keeping a natural acoustic sound. Easy to install and remove. Soft rubber.

The O-Port will make any guitar from beginner to custom-sound richer, fuller and louder.

The O-Port material is custom blended for flexibility to prevent damage to your guitar finish and inlays. Your O-Port will suppress feedback and give your acoustic or acoustic electric guitar a fuller sound with better clarity and enhanced projection

The O-Port will make any guitar from beginner to custom-sound richer, fuller and louder.

The O-Port material is custom blended for flexibility to prevent damage to your guitar finish and inlays. Your O-Port will suppress feedback and give your acoustic or acoustic electric guitar a fuller sound with better clarity and enhanced projection

feedback buster