Description

HELIX COMPOSE Ci5 S200FM-S2 – 8″ Hybrid Flat Subwoofers (200W RMS, 400W Peak, 2Ω)

The HELIX COMPOSE Ci5 S200FM-S2 – 8″ Hybrid Flat Subwoofers (200W RMS, 400W Peak, 2Ω) are premium low-frequency speakers engineered to deliver the perfect balance between a powerful subwoofer and a high-performance mid-woofer. Designed with HELIX’s innovative COMPOSE platform, they offer exceptional bass performance, compact installation dimensions, and outstanding sound quality for OEM and aftermarket audio systems.

Thanks to their ultra-shallow 47 mm mounting depth, these woofers are ideal for BMW under-seat and Mercedes front bulkhead applications while also being suitable for custom installations.

HELIX COMPOSE – Developed Inside the Vehicle, for the Vehicle

The HELIX COMPOSE platform combines universal speaker technology with vehicle-specific installation solutions. Designed to meet the demands of modern vehicles, the Ci5 S200FM-S2 provides premium performance while fitting into limited installation spaces.

Hybrid Flat Woofer Design

Unlike traditional woofers, the Ci5 S200FM-S2 combines the strengths of both a subwoofer and a mid-woofer, covering an impressive 25 Hz – 500 Hz frequency range.

Benefits include:

• Deep and powerful bass
• Fast and accurate response
• Excellent midbass performance
• High sound pressure levels
• Exceptional musical detail

Exceptional Linear Excursion

With an impressive ±7.8 mm Xmax, the Ci5 S200FM-S2 delivers remarkable low-frequency output while maintaining excellent control even at high listening volumes.

This results in:

• Higher bass output
• Lower distortion
• Improved dynamics
• Clean low-frequency reproduction

2 Ohm High-Efficiency Design

The 1 × 2 Ohm single voice coil maximizes amplifier output, making this woofer an ideal partner for HELIX and MATCH amplifiers.

Advantages include:

• Higher amplifier efficiency
• Increased output power
• Improved bass performance
• Greater overall system dynamics

Lightweight Polypropylene Cone

The injected polypropylene cone combines low weight with excellent rigidity, providing:

• Accurate bass response
• Excellent durability
• Consistent performance
• Low distortion

High-Tech Polymer Basket

HELIX utilizes a glass-bead reinforced polymer basket that offers exceptional rigidity while reducing unwanted resonances.

Benefits include:

• High structural strength
• Minimal basket resonance
• Improved acoustic performance
• Excellent resistance to temperature changes

Perfect for BMW and Mercedes Upgrades

Thanks to its compact dimensions and FlexMount200 compatibility, the Ci5 S200FM-S2 is particularly well suited for:

• BMW under-seat subwoofer upgrades
• Mercedes front bulkhead installations
• Custom low-profile enclosures
• OEM audio system upgrades

Key Features

• 8″ (200 mm) Hybrid Flat Woofer
• 200 Watts RMS / 400 Watts Peak
• 1 × 2 Ohm Single Voice Coil
• Wide Frequency Response: 25 Hz – 500 Hz
• Exceptional ±7.8 mm Linear Excursion
• Ultra-Shallow 47 mm Installation Depth
• Lightweight Injected Polypropylene Cone
• Powerful Magnet System
• High-Tech Glass-Reinforced Polymer Basket
• FlexMount200 Compatible
• Designed for BMW and Mercedes Applications

Technical Specifications

Package Includes

• 2 × HELIX COMPOSE Ci5 S200FM-S2 Hybrid Flat Woofers
• Mounting Hardware

Why Choose HELIX COMPOSE Ci5 S200FM-S2?

The HELIX COMPOSE Ci5 S200FM-S2 is an outstanding solution for enthusiasts seeking deep, controlled bass without sacrificing installation flexibility. Its hybrid woofer design, exceptional excursion, shallow mounting depth, and premium HELIX engineering make it an excellent choice for BMW under-seat upgrades, Mercedes applications, and high-performance custom audio systems.

Price includes 2 speakers (pair).