{"product_id":"helix-cfmk165-mb-3-fdm-flexmount165-speaker-adapter-ring","title":"HELIX CFMK165 MB.3 FDM FlexMount165 Speaker Adapter Ring","description":"These vehicle-specific adapter rings turn universal 165 mm HELIX COMPOSE speakers into a tailor-fit upgrade for your Mercedes Benz. Produced in-house using advanced FDM 3D printing, the specialised material delivers exceptional strength and rigidity while resisting weather, UV, oils and grease. The design covers an extreme automotive temperature range from -40°C to over +90°C, ensuring long-term durability and shape stability. Each set includes seals to prevent acoustic short circuits and moisture ingress, making installation straightforward and acoustically optimised at the factory speaker position.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e: Speaker Adapter Ring\u003cbr\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e: COMPOSE FlexMount165\u003cbr\u003e\u003cstrong\u003eSpeaker Size Compatibility\u003c\/strong\u003e: 165 mm\u003cbr\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e: Specialised FDM 3D-printed polymer\u003cbr\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e: -40°C to +90°C\u003cbr\u003e\u003cstrong\u003eWeather Resistance\u003c\/strong\u003e: UV, oil, grease and weather resistant\u003cbr\u003e\u003cstrong\u003eInstallation\u003c\/strong\u003e: Direct fit at original speaker position\u003cbr\u003e\u003cstrong\u003eIncluded Seals\u003c\/strong\u003e: Yes (acoustic short circuit prevention)\u003cbr\u003e\u003cstrong\u003eQuantity per Set\u003c\/strong\u003e: 2 adapter rings\u003cbr\u003e\u003cstrong\u003eManufacturing\u003c\/strong\u003e: Made in Germany\u003cbr\u003e\u003cstrong\u003eCompatible Vehicle Brand\u003c\/strong\u003e: Mercedes Benz\u003cbr\u003e\u003cstrong\u003eCompatible Speakers\u003c\/strong\u003e: Ci7 W165FM-S3, Ci3 W165FM-S3, Ci3 W165FM-S2, Ci3 K165.2FM-S3, Ci3 K165.2FM-S2, Ci3 C165.2FM-S3\u003cbr\u003e","brand":"HELIX","offers":[{"title":"Default Title","offer_id":53773229097297,"sku":"CI41664","price":69.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1041\/2772\/5905\/files\/HELIX-CFMK165-MB-3-FDM_1c505979-cc30-47d2-ab7e-faa943989a68.jpg?v=1778712374","url":"https:\/\/shoponyxac.co.uk\/products\/helix-cfmk165-mb-3-fdm-flexmount165-speaker-adapter-ring","provider":"Onyx Auto Care","version":"1.0","type":"link"}