Helix Compose FlexMount 165 CFMK165 REN.1 6.5 Inch Midbass Adaptor for Renault
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The Helix CFMK165 REN.1 is a pair of vehicle-specific FlexMount165 adaptor rings for fitting a 6.5 inch / 165 mm Helix Compose midbass in the original woofer position of Renault vehicles. It is part of the Helix Compose FlexMount range. No speaker is included.
This is a mounting adaptor, not a speaker. It works with the HELIX Ci7 W165FM-S3, HELIX Ci3 W165FM-S3, HELIX Ci3 W165FM-S2, HELIX Ci3 K165.2FM-S3, HELIX Ci3 K165.2FM-S2 and HELIX Ci3 C165.2FM-S3.
Key specifications
- Type: vehicle-specific adaptor ring (speaker not included)
- Speaker size: 6.5" / 165 mm Helix Compose midbass with FlexMount165
- Vehicles: Renault with factory-installed woofer
- Compatible speakers: Ci7 W165FM-S3, Ci3 W165FM-S3, Ci3 W165FM-S2, Ci3 K165.2FM-S3, Ci3 K165.2FM-S2, Ci3 C165.2FM-S3
- Construction: FDM 3D printed in-house, resistant to weathering, UV radiation, oils and greases
- Temperature range: -40 °C to over +90 °C
- Supplied: 2 x FlexMount165 adaptor ring, 2 x speaker gasket, 1 x mounting material
About the FlexMount system
FlexMount is Helix's proprietary mounting system using specially developed adaptor rings. These turn a universal 6.5" / 165 mm Helix Compose midbass with FlexMount165 technology into a car-specific speaker, enabling easy, acoustically optimised installation in the original mounting position of the vehicle.
Built for automotive conditions
The adaptors are manufactured in-house using a state-of-the-art FDM 3D printing process in a material specifically suited to automotive applications, offering extremely high strength and rigidity. The FlexMount adaptors are resistant to weathering, UV radiation, oils and greases, and cover a temperature range from -40 °C to over +90 °C, ensuring durability and dimensional stability in demanding conditions.
Features
- Vehicle-specific adaptor ring for acoustically optimised integration of the 6.5" / 165 mm Helix Compose midbass with FlexMount165 technology in the original mounting location
- Easy installation and secure fixation via torsion-resistant adaptor ring
- Complex construction for high stability, durability and optimised acoustic characteristics
- Includes gaskets to prevent acoustic short circuits and moisture ingress
- In-house production using state-of-the-art FDM 3D printing process
Explore the full range in Helix Compose FlexMount.
Specification
| Shape | Round |
|---|---|
| Type | Component |
| Series | FlexMount |
| Article Number | CI41661 |
| Country of Manufacture | China |
More specs
| |
What's Included
- 2 x FlexMount165 adaptor ring
- 2 x Speaker Gasket
- 1 x Mounting Material
Helix
About the Helix CI41661
From our tech experts at CEN
The Helix CFMK165 REN.1 is a pair of FlexMount165 adaptor rings for a 6.5 inch (165 mm) Helix Compose midbass in the original woofer position of Renault vehicles. Speaker gaskets and mounting material are included. Speakers are sold separately.
Who it suits
Renault owners, including those with Renault-based vans and campers, who want a door speaker upgrade without cutting. It suits the Ci7 W165FM-S3, Ci3 W165FM-S3, Ci3 W165FM-S2 and the woofers in the Ci3 K165.2FM-S3, K165.2FM-S2 and C165.2FM-S3 sets.
Our tech experts advise
Check your Renault has a factory woofer in the door before ordering. Treating the door skin at the same time helps the midbass and cuts rattles. Installation is priced per vehicle, so send us your make, model and year and we will confirm fitment.
Explore the full Helix range at CEN, with fast UK dispatch and expert advice from our Nottingham team. Shop all Helix
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Frequently Asked Questions
Q: Will these speakers fit my car?
A: Most car speakers are standard sizes, but mounting depth and fitting rings vary by vehicle. Check the size in the Specification tab against your vehicle, or contact CEN with your registration and we will confirm fitment and any adapters or fitting kits you need.
Q: Do these come as a pair?
A: Unless stated otherwise, car speakers are sold in pairs. Check the product title and What's Included tab, which lists exactly what is in the box.
Q: Can CEN fit these speakers for me?
A: Yes. CEN offers professional installation from our Nottingham premises. Contact us to book an installation slot or ask for a fitting quote.
Q: Is the HELIX CFMK165 REN.1 a speaker?
A: No. The CFMK165 REN.1 is a pair of vehicle-specific adaptor rings. You need a compatible HELIX COMPOSE FlexMount165 midbass, which is sold separately.
Q: Which speakers fit the CFMK165 REN.1?
A: It is designed for the 6.5 inch / 165 mm HELIX COMPOSE Ci7 W165FM-S3, Ci3 W165FM-S3, Ci3 W165FM-S2, Ci3 K165.2FM-S3, Ci3 K165.2FM-S2 and Ci3 C165.2FM-S3.
Q: What is in the box with the CFMK165 REN.1?
A: You get 2 x FlexMount165 adaptor ring, 2 x speaker gasket, 1 x mounting material.
