

The Martin soundhole cover is designed for performing musicians to reduce uncontrolled feedback, allowing for much higher volume when plugged in. Made from nitrocellulose-safe material, it installs easily into 4-inch soundholes.


The Martin soundhole cover is designed for performing musicians to reduce uncontrolled feedback, allowing for much higher volume when plugged in. Made from nitrocellulose-safe material, it installs easily into 4-inch soundholes.