Jim Dunlop Suppressor Sized 4'' X 4'' Reduces feedback without loss of tone Light steel plate and soft rubber ring Fits most standard acoustic guitars This Dunlop Suppressor reduces the amount of feedback from your acoustic guitar without any loss of tone. This suppressor lets air flow through the soundhole, allowing the top to vibrate naturally, so your true acoustic tone rings through. This essential stage tool is made of a light weight aluminum plate and soft rubber ring that will fit most standard acoustic guitars. Turn your volume up on stage without the fear of feedback with the Dunlop Suppressor. Brand Jim Dunlop SKU OT776EL10LHS8NAFAMZ-138610