D'Addario O-Port Sound Enhancement for Acoustic Guitar, Small, Black All Amps The HEAVY METAL HM300 produces

The HEAVY METAL HM300 produces the huge

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D'Addario O-Port Sound Enhancement for Acoustic Guitar, Small, Black All Amps The HEAVY METAL HM300 producesThe D'Addario O port for standard size sound holes is the easiest and most affordable way to enhance the sound of any acoustic guitar without any modification to your instrument. Simply place inside the sound hole of the guitar and experience greater fuller tone, clarity, and projection all while taming feedback in during live performances. The O Port will make any guitar from beginner to custom sound richer, fuller, and louder, with more clarity and