Thank you for viewing. This is a multi-function tone shaper that allows you to freely adjust your bass sound. Power-on has been confirmed, but a 9V adapter is not included. Batteries are also not included. - Model Name: BASS ATTACK VXL TONE-SHAPER PRE AMP - Brand: Hartke - Function: Tone Shaper - Switch: ON/OFF - Number of Knobs: 5 - Shape: Pedal Type Instant purchase OK Anonymous delivery We plan to ship via Mercari delivery using recycled packaging. Please understand that we are not responsible for any damage or accidents during shipping. ⚫ Items set up with Rakuraku Mercari Delivery are covered by compensation in the event of damage or accidents, so please rest assured. ※ We ask that the buyer contact the事務局 (Mercari's support team) to understand the damage situation of the product. Please purchase with the understanding that this is a used item. Please also take a look at the seller "Naru" below. We have various products for sale. Thank you.