I just saw the new Supro Huntington bass and I feel like I need to see a gastroenterologist. I'm in serious, serious trouble. They are short-scale Fully passive basses with passive piezos. I've never heard of a passive piezo! They look amazing and sound better than any short scale I've ever heard. I'm so close to just throwing one in the shopping cart and kissing my last paycheck good bye. Someone talk me down. Huntington Bass According to a few responses, the piezos are probably not passive. I cannot confirm or deny this.