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Helix Compose i7 W200FM-S3


  • 8” / 200 mm high-end woofer which combines outstanding sound performance with versatile physical integration options
  • High efficiency and 3 Ohms technology for maximized power output of the amplifier
  • Ultra High Damping (UHD) crafted paper cone for outstanding impulse response and unmatched frequency response
  • High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing
  • Specially shaped rubber surround for high linear cone excursion
  • Polyurethane dustcap for optimized frequency response in the upper midrange area
  • Large 1.46” / 37 mm voice coil ensures minimum thermal compression and high power handling
  • Compact dimensions with maximum performance - despite the small outer diameter, this woofer comes with the same cone area known from typical 200 mm chassis
  • Automotive grade ProConnect connection terminal allows the use of conventional speaker cables or a fast, secure and fail-safe connection via optionally available WireKits
  • Powerful magnet system for highest efficiency and extremely low distortion
  • Universal mounting ring with grille included in delivery
  • Designed for the optionally available car-specific FlexMount200 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle
  • Designed for optionally available, car-specific WireKits which allow a non-destructive integration
  • Made in Germany

Helix Compose i7 W200FM-S3

  • Power Handling RMS / MAX P 150 / 225W
    Impedance Z 3 Ω
    DC Resistance Re 3.0 Ω
    Frequency Response   35 Hz - 2,500 Hz
    Resonance Frequency Fs 52 Hz
    Mechanical Q Factor Qms 6.04
    Electrical Q Factor Qes .78
    Total Q Factor Qts .69
    Compliance Cms 370 µm/N
    Equivalent Air Volume Vas 20.8 L
    Force Factor B*l 5.6 Tm
    Sensitivity SPL 92 dB @ 2.83 V / 1m
    88 dB @ 1W / 1m
    Cone Area Sd 201 cm²
    Moving Mass Mms 25.6 g
    Cone Material   UHD Crafted Paper Cone
    Mechanical Resistance Rms 1.4 kg/s
    Voice Coil Diameter ø 37 mm
    Voice Coil Heigh   13.8 mm
    Max Linear Excursion Xmax +/- 3.9 mm
    Outer Diameter ø 195 mm / 7.68"
    Installation Diameter ø 173.5 mm / 6.83"
    Installation Depth   65.8 mm / 2.59"


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