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HELIX Ci3 K100.2FM-S3

2-way component system, 100 mm (4"), 3 Ω, from the Compose i3 line.

Specifications

Power handling RMS / Max. (P)80 / 120 Watts
Frequency response120 Hz - 25,000 Hz
Impedance (Z)3 Ω
Sensitivity (SPL)91 dB @ 2.83V / 1m
87 dB @ 1W / 1m
Outer diameter (ø)Tweeter: 32.0 mm / 1.26”
Midrange: 98.0 mm / 3.86”
Installation diameter (ø)Tweeter: 32.0 mm / 1.26”
Midrange: 89.0 mm / 3.50”
Installation depthTweeter: 9.8 mm / 0.39”
Midrange: 30.0 mm / 1.18”
Dimensions crossover103.3 x 50.4 x 25.0 mm /
4.07 x 1.98 x 0.98”

Midrange

Impedance (Z)3 Ω
DC resistance (Re)3.0 Ω
Resonance frequency (Fs)146 Hz
Mechanical Q factor (Qms)4.49
Electrical Q factor (Qes)1.02
Total Q factor (Qts)0.83
Compliance (Cms)280 μm/N
Equivalent air volume (Vas)1.1 L
Force factor (B*l)3.4 Tm
Cone area (Sd)53 cm²
Moving mass (Mms)4.3 g
Mechanical resistance (Rms)0.87 kg/s
Voice coil diameter (ø)25 mm
Voice coil winding height4.8 mm
Max. linear excursion (Xmax)+/- 2.0 mm

Tweeter

Impedance (Z)4 Ω
Resonance frequency (Fs)1800 Hz
Voice coil diameter (ø)20 mm

Features

TweeterUltra compact, titanium dome, neodymium magnet and FlexMount20
MidrangePaper with Cenosphere coating, FlexConnect terminal, neodymium magnet and FlexMount100
CrossoverTweeter: 12 dB highpass, protection and level adjustment

Installed by Audio Edge

We sell every product as part of a system designed for your vehicle — consultation, installation, and tuning included. Tell us what you drive and we’ll tell you what this can do in your car.

Proof

Used in these builds

Let’s talk about your car

Tell us what you drive and what you want it to sound like. We’ll come back with a plan — gear, fabrication, timeline, and a real number.

Call (480) 219-0168 Request a Consultation