BOSS DI-1 Direct Box Purchased used, used once, and am now selling as I no longer need it. Operation was without any problems. Please understand that this is a used item and the inspection was done by an amateur. Shipping will be via Rakuraku Mercari Bin (Takkyubin Compact). Thank you very much. 〇 The following is from the Sound House HP: 〜〜〜〜〜〜〜〜〜〜〜〜〜〜 High-performance active direct box equipped with a variety of features such as a 3-stage gain selector, auto power off, automatic phantom power switching, and ground lift function.