{"product_id":"helix-cfmk165-mb-4-fdm-flexmount165-speaker-adapter-ring","title":"HELIX CFMK165 MB.4 (FDM) FlexMount165 Speaker Adapter Ring","description":"These FDM 3D-printed adapter rings transform universal 165 mm HELIX COMPOSE speakers into vehicle-specific units for a perfect factory-fit installation. Made from a specialised automotive-grade material, they offer exceptional strength, rigidity, and resistance to weather, UV, oils, and grease. The included gaskets prevent acoustic short circuits and moisture ingress, while the robust design ensures long-term stability across temperatures from -40°C to over +90°C. Each set comes with two adapter rings, two speaker gaskets, and all necessary mounting hardware.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Speaker Adapter Ring\u003cbr\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: HELIX COMPOSE FlexMount\u003cbr\u003e\u003cstrong\u003eModel\u003c\/strong\u003e: CFMK165 MB.4 (FDM)\u003cbr\u003e\u003cstrong\u003eSpeaker Size Compatibility\u003c\/strong\u003e: 165 mm\u003cbr\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: FDM 3D-Printed Special Material\u003cbr\u003e\u003cstrong\u003eColour\u003c\/strong\u003e: Black\u003cbr\u003e\u003cstrong\u003eVehicle Manufacturer\u003c\/strong\u003e: Mercedes-Benz\u003cbr\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: -40°C to +90°C\u003cbr\u003e\u003cstrong\u003eWeather Resistance\u003c\/strong\u003e: UV, Oil, and Grease Resistant\u003cbr\u003e\u003cstrong\u003eMounting Position\u003c\/strong\u003e: Factory Original Location\u003cbr\u003e\u003cstrong\u003eManufacturing Method\u003c\/strong\u003e: In-House FDM 3D Printing\u003cbr\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: Germany\u003cbr\u003e","brand":"HELIX","offers":[{"title":"Default Title","offer_id":53773297877329,"sku":"CI41675","price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/2772\/5905\/files\/HELIX-CFMK165-MB-4-FDM_233b8003-f3a5-45b3-a11e-09986d739ec6.jpg?v=1778713218","url":"https:\/\/shoponyxac.co.uk\/products\/helix-cfmk165-mb-4-fdm-flexmount165-speaker-adapter-ring","provider":"Onyx Auto Care","version":"1.0","type":"link"}