Germanium Big Muff effector for a variety of sounds. - Model Name: Germanium Big Muff - Brand: electro-harmonix - Controls: Gain, Bias, Tone, Volume - Country of Manufacture: Made in USA - Accessories: Instruction manual, card, warranty Thank you for viewing. The warranty is expired. I think it's in good condition. Please check the photos. I have confirmed it works when connected! Please understand that this is a used item and no claims or returns are accepted. I am selling it because I don't use it. Thank you.