{"product_id":"gras-40bi1-4-ext-polarized-intensity-microphone-kit","title":"GRAS 40BI 1\/4\" Ext. Polarized Intensity Microphone Kit","description":"The 40BI is an IEC 61043-compliant ¼\" externally polarized sound-intensity microphone pair.The 40BI microphone pair consists of two phase-matched free-field condenser microphones with extremely well-controlled phase characteristics for use in sound-intensity probes. Their standard mounting threads make them compatible with all the usual available makes of measurement-microphone preamplifiers","brand":"GRAS","offers":[{"title":"Default Title","offer_id":48310099738957,"sku":"40BI","price":0.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/9344\/9805\/files\/40BI_HiRes-RGB.png?v=1701172242","url":"https:\/\/gomeasure.dk\/en-se\/products\/gras-40bi1-4-ext-polarized-intensity-microphone-kit","provider":"GOmeasure.dk","version":"1.0","type":"link"}