D'Addario O-Port Acoustic Guitar Sound Enhancer

This D'Addario (formerly Planet Waves) O-Port is proven to enhance the sound of any acoustic guitar and kill feedback without the use of electronics.

* Richer, fuller, louder sound with more clarity and better projection.
* Simple installation by loosening or removing strings and fitting O-Port into soundhole
* Suppresses feedback
* Available in Black and Ivory

It's has been tested under the scrutiny of world-renowned acoustic engineers and sound producers to improve tonal quality. The result is a fuller, richer sound with noticeably increased sustain and harmonic range. The tonal enhancement provided by the D'Addario (formerly Planet Waves) O-Port is particularly pronounced when the acoustic guitar is plugged in and amplified, resulting in a much fuller sound, a stronger signal to the internal pickup, and significant feedback control. The D'Addario (formerly Planet Waves) O-Port fits in most acoustic guitars with a round soundhole, regardless of make or model.

The D'Addario (formerly Planet Waves) O-Port's material is custom blended for flexibility to prevent damage to your guitar finish and inlays. The OPort suppresses feedback and gives your acoustic or acoustic-electric guitar a fuller sound with more volume, better clarity, and enhanced projection.

Just measure your acoustic guitar's soundhole and choose the D'Addario (formerly Planet Waves) O Port that fits best.

Small: 3.375" - 3.5"
Large: 3.875" - 4"