{"product_id":"ne5532-dc-dual-power-4-channels-pre-amplifier-disassembled-chip-driver-board-finished-board","title":"DC Dual Power 4 Channels Pre-amplifier Disassembled Chip Driver Board Finished Board","description":"Specification: \u003cbr\u003e\nWorking voltage: DC dual 12V-15V (recommended voltage: DC dual 15V). \u003cbr\u003e\nTransformer power: 5W or more. \u003cbr\u003e\nThe magnification is 4 or 7 times, you can change the 47K resistance close to the op amp to change the magnification, 22K is 2.2 times, and 100K is 10 times. \u003cbr\u003e\nOperational amplifier model: Texas 5532 (original brand new) or large S5532 (disassembled). \u003cbr\u003e\nFinished board size: 60 x 50 x 20M, (length x width x height). \u003cbr\u003e\nWeight: about 50 g. \u003cbr\u003e\n  \u003cbr\u003e\nPackage included: \u003cbr\u003e\n1 x DC Dual Power 4 Channels Pre-amplifier ","brand":"GreenZech","offers":[{"title":"Default Title","offer_id":44968262009002,"sku":"GZCMB-3469-01-EC","price":20.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0280\/6179\/4375\/files\/02b14286-a503-439f-afc1-e29fe5f0aa56_1377d5c3-2f13-4078-acbf-b071a26d69c2.jpg?v=1690771368","url":"https:\/\/greenzech.com\/products\/ne5532-dc-dual-power-4-channels-pre-amplifier-disassembled-chip-driver-board-finished-board","provider":"GreenZech","version":"1.0","type":"link"}