{"product_id":"gras-ra0045-s4externally-polarized-ear-simulator-based-on-iec-60318-4-60711-high-sensitivity","title":"GRAS RA0045-S4 Externally Polarized Ear Simulator Based on IEC 60318-4 (60711), High Sensitivity","description":"The RA0045-S4 Ext Pol Ear Simulator is a special type of ear simulator for making low level acoustic measurements on earphones coupled to the human ear by ear inserts such as tubes, ear moulds, or ear tips. It has an input impedance closely resembling that of an average human ear, and, as a result, loads a sound source in very much the same way.","brand":"GRAS","offers":[{"title":"Default Title","offer_id":48310125199693,"sku":"RA0045-S4","price":0.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0755\/9344\/9805\/files\/RA0045_HiRes-RGB_7d819439-b3bf-4c7f-bc9b-9fee707502dd.png?v=1701172670","url":"https:\/\/gomeasure.dk\/en-se\/products\/gras-ra0045-s4externally-polarized-ear-simulator-based-on-iec-60318-4-60711-high-sensitivity","provider":"GOmeasure.dk","version":"1.0","type":"link"}