The Rocket Amp harmonica allows you to amplify your sound without getting lost in the noise. The unique design features ergonomic covers that have closed sides to direct all the volume to the microphone. Rocket Amp is an ideal instrument for amplifying your sound on stage. This harmonica by Hohner delivers a comfortable playing feel with rounded comb sides, edges and corners and a recessed reed plate. The zippered case provides protection and keeps dust out while allowing moisture to evaporate to keep your harmonica in top shape.