We used it once at a rehearsal. It works perfectly, but only provides volume adjustment. Further parameters in the attached photo. Naturally with its original adapter, in its original box. If requested, I will also include the original invoice. If absolutely necessary, I will also ship it, of course at the buyer's expense and risk, but I would prefer a personal pickup. I don't want to trade. Selling it is not a matter of money, it's just unused. Thank you for your interest!