This is the ZOOM B6, a multi-effects processor for electric bass. As a bass effects unit, it's ZOOM's flagship model, offering superior sound quality and features compared to lower-end models. I've used it for about a year in a smoke-free home studio for recording. While there's a general feeling of use and some scratches, it functions without any problems. It's recommended for those upgrading from lower-end models or for those using a multi-effects processor for the first time. The box is included.