It’s slim design avoid Laouto soundhole obstruction. Screws at the end of fingerboard - where swrews the mounting extension support of common style pickups. Light pickup, no add weight the instrument. A low impedance 600 ohm coil gives a full frequency response, with a built in smd preamp of low current consumption. A mini 1.5 Volt battery required. A flat graph diagram shows natural acoustic sound for advanced recording use. A construction having studio microphone characteristics.