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0 Ω Resonance frequency Fs 67 Hz Mechanical Q factor Qms 4
linear excursion Xmax +/- 12 mm Outer diameter ø 275 mm / 10
Its wide frequency response of 18 Hz up to 80
} Model Includes CFMK200 BMW
4 x Speaker connection cable
HELIX Ci5 M80FM-S3 Single - 3.15" Single Midrange Speaker, FlexMount | 3Ω m_165mm | 6.5" 0 Ω Resonance frequency FsOverview HELIX Ci5 M80FM S3 Single Midrange Speaker HELIX COMPOSE. The perfect speaker for any composition. Born out of the increasingly demanding challenges of modern automobile technology and the HELIX typical pursuit of intelligent solutions, we made the progressive redesign of proven universal speaker systems our mission. The result: our innovative HELIX COMPOSE platform that, according to the motto "developed inside the vehicle, for the vehicle",