{"product_id":"870729","title":"3 Leaf Audio USED Proton V4","description":"This optical analog auto-wah pedal is a modern, compact redesign of the legendary vintage envelope filter, the Tron III.\u003cbr\u003e\u003cbr\u003e • Controls: Response (Gain), Peak, Decay, Tone, Sweep switch (Up\/Down), Range switch, Silent True Bypass (relay type) footswitch • Power supply: 9V DC center negative (current consumption 30mA, battery operation not possible)\u003cbr\u003e • Key improvements in V4: The tone circuit and tracking have been refined from the previous model, resulting in a fuller, richer bass and more flexible tone adjustment.\u003cbr\u003e\u003cbr\u003eCondition: No problems with use. Parts requiring acknowledgment: None. Accessories: Box. Warranty: No warranty. Sold as is.","brand":"3 Leaf Audio","offers":[{"title":"Default Title","offer_id":67805350461553,"sku":"870729","price":190.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0638\/4173\/0673\/files\/870729_01.jpg?v=1792752120","url":"https:\/\/global.ikebe-gakki.com\/zh-hant\/products\/870729","provider":"Ikebe Musical Instruments Store","version":"1.0","type":"link"}