C.F. Martin & Co Soundhole cover for 000 and 00 models
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What you need to know
What you need to know
- Effectively reduces feedback on stage and in the studio.
- Specifically compatible with folk guitar soundholes in 00 and 000 sizes.
- Quick installation and removal, no modification to the instrument required.
- Allows volume increase while preserving a natural tone.
Manufacturer Information
Martin Strings
https://www.martinguitar.com
customerservice@martinguitar.com
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Algam SAS
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Control Feedback with a Single Gesture
Designed for acoustic guitarists, this soundhole plug fits into the top opening to block re-injections and stabilize your level. Ideal for live performance, rehearsals, or home studio, it helps you play louder without feedback or whistling, while maintaining the clarity of your microphones or pickups. A simple and reliable solution, always ready in the case.
Technical specifications
| Category | rosace cap | Destination | folk guitar |
| Type | Anti-feedback | ||
| Intended for | folk guitar | ||
Questions frequently asked
Is this soundhole plug compatible with a 000 or 00 guitar?
The stated compatibility concerns folk guitars in the 000 and 00 sizes.
Does the Martin plug reduce feedback during concerts?
Inserted into the soundboard opening, this plug blocks sound reinjections responsible for feedback. It helps stabilize the level in live situations.
Can it be used for rehearsals and in a home studio?
Its use is recommended both in rehearsals and in home studios. The soundhole plug format allows it to be conveniently stored in the case.
How to install this anti-feedback plug?
The plug is inserted directly into the folk guitar's soundhole. This placement seals the soundboard opening.
Is it compatible with a guitar equipped with pickups or sensors?
For a folk guitar equipped with pickups or sensors, this plug is designed to limit sound reinjections. The description states that it helps maintain their clarity. Its purpose also includes reducing squealing noises.



