Helix Q 10W 10” Subwoofer with 2 x 2 Ohms Dual Voice Coil


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10” subwoofer with 2 x 2 Ohms dual voice coil



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Elemental force with sensitivity At the very first glance, it appears what the new Q subwoofers are designed for. The solid aluminum diecast baskets with diamond cut as well as the massive triple ferrite magnet systems clearly signalize that these subwoofers really mean it. The extremely stiff, hand-scooped cones and oversized voice coils with enormous winding height are literally predestinated to turn incredible volumes of air into deep bass sounds. Yet sheer power alone is not sufficient – numerous sophisticated technical details together with a smart mix of materials assure highest precision and detailed bass reproduction which will satisfy even most demanding music enthusiasts. These subwoofers form a perfect symbiosis of maximum sound pressure and state-of-the-art sound quality in a new dimension.


  • Extremely rigid non-pressed paper cone for maximum stiffness
  • Wide low-loss foam surround for maximum cone excursions
  • Concave PP dustcap with embossed HELIX logo
  • 2 x 2 Ohms impedance allows most flexible configuration
  • High-temperature dual voice coil with enormous winding height for outstanding linear excursion
  • Rock-solid diecast basket with diamond cut
  • Removable rubber gasket
  • Rugged butyl magnet cover with HELIX lettering for perfect magnet protection
  • Solid push terminals for large wire gauge
  • Extremely powerful, 9 x ventilated triple ferrite magnet system for highest magnetic flux linearity


Power RMS / max.  P 750 / 1,500 Watts
Impedance  Z 2 x 2 Ω
DC resistance  Re 2 x 1.95 Ω
Resonance frequency  Fs 35 Hz
Mechanical Q factor  Qms 4.17
Electrical Q factor  Qes 0.42
Total Q factor Qts 0.38
Compliance Cms 99 μm/N
Equivalent air volume Vas 13.8 L
Force factor  B*I 21.5 Tm
Efficiency 1 W / 1 m SPL 85.0 dB
Cone area  Sd 333 cm²
Moving mass  Mms 220 g
Cone material   Non-pressed paper cone
Mechanical resistance  Rms 11.9 kg/s
Voice coil diameter ø 63.5 mm
Voice coil winding height   40 mm
Max. linear excursion  Xmax +/- 14.0 mm
Outer diameter ø 274 mm / 10.79″
Installation diameter ø 234 mm / 9.21″
Installation depth   163 mm / 6.42″
Recommended enclosure volumes 
Sealed box 
Net volume   15 L
Lower limiting frequency (-3dB)   52 Hz
Vented box 
Net volume   30 L
Port diameter ø 80 mm / 3.15″
Port area   50 cm²
Port length   25 cm / 9.84″
Port tuning frequency Fb 38 Hz
Lower limiting frequency (-3dB)   39 Hz


1 x Subwoofer HELIX Q 10W 1 x Rubber gasket 1 x Data sheet

0.0000 kg
cable type



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Helix Q 10W



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Made in Germany, HELIX produces the most sophisticated car Hi-Fi components with its decades of experience.