Inner Bamboo, a handmade effects pedal brand from a domestic workshop, is gaining popularity with an increasing number of users due to products like the "SUMO STOMP." The "B-II 2" is the 2-channel version of Inner Bamboo's high-quality outboard preamp, the "B-II." One of the appealing aspects is the abundance of knobs, allowing players to broadly experience Inner Bamboo's tonal variations and finely tune their sound to their preferences. The condition is considered used. While there are no noticeable scratches or stains, there are some minor scratches indicating moderate use. Each knob and switch functions perfectly, making this a unit that can serve as a main sound-making device.