The J-45 EC Studio is a superb professional round shoulder acoustic guitar featuring a solid Sitka spruce top for tone that just keeps getting better as it ages. The J-45 EC Studio also comes equipped with a classic cutaway for excellent upper-fret access and a state of the art Fishman® Sonicore under-saddle pickup paired with a Fishman Presys II preamp for outstanding tone when you’re plugged in on-stage or in the studio. <br> A battery is not included. To power your pickup, you will need a 9-volt battery.