Yamaha Silent Brass for Euphonium. This is a set including the pickup mute (PM2X) and the personal studio (STX-2). - Earphones are not included. (Can be used with commercially available earphones) - The original box from the time of purchase is not included. It will be packed and shipped in a separate cardboard box. There are no noticeable stains or scratches, but there may be oversights due to amateur inspection. Please purchase only if you understand that this is a used item.