Helix Compose FlexMount 200 CFMK200 UNI.1 8 Inch Woofer Adaptor Universal

The Helix CFMK200 UNI.1 is a universal FlexMount200 adaptor ring set that allows an 8-inch (200 mm) Helix Compose FlexMount woofer to fit the original factory woofer location in a wide range of vehicles — no cutting or custom brackets required. It is part of the Helix Compose FlexMount accessory range.

This is the universal version. For Volkswagen T5 and T6 see the CFMK200 VW.1, and for other Volkswagen applications the CFMK200 VW.2.

Key specifications

• Type: FlexMount200 woofer adaptor ring set
• Woofer size: 8" / 200 mm Helix Compose FlexMount200
• Vehicle fit: Universal, various vehicles with a factory-installed woofer
• Compatible woofers: Ci7 W200FM-S3, Ci5 S200FM-D2, Ci5 S200FM-S2, Ci3 W200FM-S3, Ci3 W200FM-S2, Ci3 K200.2FM-S3, Ci3 K200.2FM-S2
• Construction: FDM 3D-printed, torsion-resistant ring
• Temperature range: -40°C to over +90°C
• Gaskets: Included
• Made in Germany

The FlexMount system uses specially developed adaptor rings to enable straightforward, acoustically optimised installation in the vehicle's original mounting position. Compatible woofers include the Ci5 S200FM-S2 and the Ci5 S200FM-D2.

The adaptors are made in-house using FDM 3D printing. The material is designed specifically for automotive use — high strength and rigidity, with excellent resistance to weathering, UV radiation, oils and greases. The operating temperature range of -40°C to over +90°C ensures long-term durability and dimensional stability in demanding conditions.

Features

• Universal adaptor ring for professional, acoustically optimised integration of the 8" / 200 mm Helix Compose FlexMount200 woofer in the vehicle's original mounting location
• Torsion-resistant ring for easy installation and secure fixation
• Complex construction for high stability, durability and optimised acoustic characteristics
• Gaskets included to prevent acoustic short circuits and moisture ingress
• In-house production using FDM 3D printing
• Made in Germany