Description
HELIX COMPOSE Ci7 W200FM-S3 – 8″ High-End Performance Car Woofers (150W RMS, 225W Peak, 3Ω)
The HELIX COMPOSE Ci7 W200FM-S3 – 8″ High-End Performance Car Woofers (150W RMS, 225W Peak, 3Ω) represent the highest level of HELIX automotive audio engineering. Developed in Germany with technology inspired by the premium BRAX high-end audio philosophy, these woofers deliver exceptional sound quality, precise dynamics, and outstanding low-frequency performance for demanding car audio enthusiasts.
Featuring the exclusive UHD (Ultra High Damping) handcrafted paper cone, highly efficient 3 Ohm technology, and a reinforced high-tech polymer basket, the Ci7 W200FM-S3 provides incredibly accurate bass reproduction with minimal distortion and excellent power handling.
HELIX COMPOSE i7 – High-End Car HiFi Made in Germany
The HELIX COMPOSE i7 series is designed for enthusiasts who demand uncompromising sound performance. Every component is carefully engineered to achieve:
- Exceptional musical accuracy
- Powerful and controlled bass
- Extremely low distortion
- High dynamic range
- Premium OEM-style integration
Made in Germany, the Ci7 W200FM-S3 combines advanced materials with precise engineering for a true high-end listening experience.
UHD (Ultra High Damping) Handcrafted Paper Cone
The exclusive UHD handcrafted paper cone is developed using HELIX’s high-end technology approach and provides outstanding acoustic performance.
Advantages include:
- Excellent impulse response
- Precise frequency reproduction
- High internal damping
- Natural and detailed sound character
- Reduced unwanted resonance
This advanced cone construction allows the woofer to reproduce bass and midbass frequencies with exceptional accuracy.
High Efficiency 3 Ohm Technology
The 3 Ohm impedance design is optimized for HELIX and MATCH amplifiers, allowing maximum amplifier performance.
Benefits:
- Higher efficiency
- Increased sound pressure levels
- Improved amplifier power utilization
- Stronger dynamic performance
Premium High-Tech Polymer Basket
The reinforced polymer composite basket with glass spheres provides exceptional rigidity while reducing unwanted vibrations.
Benefits include:
- Maximum mechanical stability
- Reduced resonance
- Lower distortion
- Improved thermal resistance
- Compact installation dimensions
Powerful and Accurate Bass Performance
The Ci7 W200FM-S3 combines a large 200 mm cone area with a powerful magnet system to deliver:
- Deep low frequencies
- Fast transient response
- Strong midbass impact
- High musical detail
The specially designed rubber surround allows high linear excursion while maintaining excellent control.
FlexMount200 – Universal Meets Vehicle-Specific
With HELIX FlexMount200 technology, this universal woofer can be professionally installed into many vehicle-specific locations.
Advantages:
- OEM-style installation
- Improved acoustic positioning
- Secure mounting solution
- Suitable for various vehicle applications
ProConnect Terminal and WireKit Compatibility
The automotive-grade ProConnect terminal allows reliable and flexible installation.
Features:
- Secure connection system
- Reverse polarity protection
- Compatible with standard speaker cables
- Compatible with optional HELIX WireKits
Key Features
- 8″ (200 mm) High-End Performance Woofer
- 150 Watts RMS / 225 Watts Peak
- 3 Ohm High-Efficiency Design
- UHD (Ultra High Damping) Handcrafted Paper Cone
- Made in Germany
- Powerful Low-Distortion Magnet System
- High-Tech Glass-Reinforced Polymer Basket
- Large 37 mm Voice Coil
- Excellent Impulse Response
- FlexMount200 Compatible
- ProConnect Automotive Terminal
- Optional Vehicle-Specific WireKits
- Universal Mounting Ring and Grille Included
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Size | 8″ (200 mm) |
| RMS Power | 150 W |
| Peak Power | 225 W |
| Impedance | 3 Ω |
| Frequency Response | 35 Hz – 2,500 Hz |
| Resonance Frequency (Fs) | 52 Hz |
| Sensitivity | 92 dB @ 2.83V / 1m |
| Cone Material | UHD Handcrafted Paper Cone |
| Voice Coil Diameter | 37 mm |
| Xmax | ±3.9 mm |
| Installation Diameter | 173.5 mm |
| Installation Depth | 65.8 mm |
| Outer Diameter | 195 mm |
| Outer Diameter with Mounting Ring | 208.9 mm |
Package Includes
- 2 × HELIX COMPOSE Ci7 W200FM-S3 High-End Woofers
- 2 × Universal Mounting Rings with Grilles
- 2 × Connection Cables
- Mounting Hardware
Why Choose HELIX COMPOSE Ci7 W200FM-S3?
The HELIX COMPOSE Ci7 W200FM-S3 is designed for listeners who expect true high-end performance from their car audio system. With German engineering, UHD cone technology, premium construction, and exceptional sound precision, these woofers are an ideal upgrade for advanced OEM integrations and high-performance car audio installations.
Price includes 2 speakers (pair).

Reviews
There are no reviews yet.