Helix Ci5 S200FM-D2 speakers

Helix Ci5 S200FM-D2 Speakers

The HELIX COMPOSE platform was developed in response to the ever-growing demands of modern car audio. The goal was to reshape traditional universal speaker systems to combine their flexibility with the advantages of vehicle-specific solutions. The result is a blend of innovative materials, modern technologies and practical engineering that delivers high efficiency, great sound and pronounced dynamics to any car.

i5 Series – a smart compromise between i7 and i3

HELIX COMPOSE i5 speakers strike the ideal balance between the premium i7 line and the practical i3 series. They are designed for discerning music fans who want a true hi‑fi experience combined with maximum practicality. The impedance is perfectly matched to HELIX and MATCH amplifiers, ensuring reliable performance. They also use exclusive COMPOSE technologies that provide easy installation and long service life.

Ci5 S200FM – midwoofer and subwoofer in one

The Ci5 S200FM is a hybrid 200 mm driver that combines the characteristics of a midwoofer and a subwoofer. Thanks to an exceptionally large cone excursion (+/- 7.8 mm, D2: +/- 7.5 mm), it provides precise and controlled bass reproduction even at high sound pressure levels. It was specially designed for installations with limited mounting depth, for example under BMW seats or in Mercedes bulkheads, where it performs excellently despite a minimal installation depth of only 47 mm.

Modern design and maximum efficiency

The driver features a polypropylene cone that is lightweight yet stiff enough for precise sound reproduction. The basket is made from a polymer composite reinforced with glass microbeads, ensuring high rigidity, minimal resonance and resistance to temperature effects. This allows a compact yet extremely durable construction. A powerful magnetic system guarantees fast transient response and high efficiency.

Flexible wiring and easy installation

The speaker is available in 1 × 2 ohm (S2) or 2 × 2 ohm (D2) versions, so it easily adapts to various amplifier configurations — from monoblocks to 2‑channel and multichannel systems. With the FlexMount200 mounting system, the Ci5 S200FM can be quickly and acoustically optimally installed into original mounting locations using specially designed adapter rings.

Main features

• Hybrid 200 mm woofer – combines midwoofer and subwoofer functions (25–500 Hz).
• Large cone excursion (+/- 7.8 mm, D2: +/- 7.5 mm) for powerful, controlled bass.
• Available versions: 1 × 2 ohm (S2) or 2 × 2 ohm (D2).
• Extremely shallow installation depth of only 47 mm – ideal for tight spaces.
• Polypropylene diaphragm for a combination of low weight and high rigidity.
• Basket made from a polymer composite reinforced with glass microbeads – minimal resonance, high stability.
• Powerful magnetic system for efficient energy transfer and optimal response.
• FlexMount200 – capability to install into OEM positions using specific adapters.
• Perfect for mounting under BMW seats or in Mercedes bulkheads.

About the brand

HELIX by Audiotec Fischer is a German brand of high‑end car audio that has been among the world’s leaders in amplifiers and DSP processors for over 35 years. HELIX is recognized as a leader in digital signal processors, offering some of the most advanced and highest quality DSPs available. With these tools, an experienced technician can tune any audio system to perfection and bring an authentic hi‑fi experience into the car. The combination of precise German engineering, cutting‑edge technology and innovative design delivers clean, dynamic and detailed sound that has won audiophiles worldwide. HELIX products are known for high efficiency, reliability and seamless integration into modern vehicles. They are an excellent choice for demanding users who require the best possible sound without compromise. Helix, together with Brax and Match, falls under the German manufacturer Audiotec Fischer.

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• Car speakers 200 mm car speakers 200 mm mid-bass speakers
• German sound system manufacturer HELIX