Emergency stop sound hole plug
Soundhole plugs allow you to play electronic sound at a higher volume without generating unnecessary feedback or whistling. The conical design can be very suitable for most sound holes, while inert materials are safe for the surface of the guitar. Just put it into your audio system and enjoy a performance without feedback.

Function:
Eliminate feedback and increase stage volume
Quick and convenient installation and disassembly
Soft rubber insert, suitable for guitar surface
No need to modify the instrument