Tested and working. I bought this a few months ago, but I'm selling it because I haven't had a chance to use it after testing it out in my room. I think the condition is quite good. ☺️ A BOSS effects pedal equipped with high-quality distortion and equalizer functions. - Model: MT-2w - Brand: BOSS - Functions: Distortion, Equalizer - Output Type: Analog - Power: 9V battery or AC adapter - Country of Manufacture: Japan Price negotiations are possible. Type... Electric Guitar Manufacturer... BOSS Type... Electric Guitar