Shadow M-Sonic A NFX V Endpin-Preamp with Nanoflex Pickup and Volumecontrol, Endpin preamp with Nanoflex pickup for acoustic steelguitar, Small and super lightweight soundhole fitted volume control unit, 100% hum-free, Reproduces the sound of your instrument faithfully, Excludes any distortion, Incl. battery pouch (for a 9V battery), Incl. Nanoflex pickup, Easy installation without cutting a hole in the side of the guitar