The HELIX COMPOSE i7 series represents uncompromising excellence, ensuring a superior audio experience in your vehicle. With the obvious influence of its high-end sister brand BRAXI, the i7 speaker series is manufactured entirely in Germany and optimised for uncompromising sound quality.

The ohmic rating of the Compose series speakers is optimised for Helix/Match DSP processors.

The Compose i7 series use only the highest quality materials:

- The cones are UHD ( ultra high damping crafter paper cone ) paper cones

- The cones are made of polymer composite, additionally reinforced with glass beads to obtain a very rigid and non-traceable material.

- Highly efficient magnets

Power handling RMS / max.    P    120 / 180 Watts

Impedance     Z    3 Ω

DC resistance     Re   2.9 Ω

Frequency response      70 Hz - 4,000 Hz

Resonance frequency    Fs    73 Hz

Mechanical Q factor     Qms   2.38

Electrical Q factor     Qes    0.50

Total Q factor    Qts    0.41

Compliance    Cms   420 µm/N

Equivalent air volume    Vas    4.3 L

Force factor    B*I    5.5 Tm

Sensitivity    SPL    92 dB @ 2.83 V / 1m

88 dB @ 1W / 1m

Cone area    Sd   85 cm²

Moving mass   Mms   11.1 g

Cone material      Ultra high damping (UHD) crafted paper cone

Mechanical resistance   Rms    2.15 kg/s

Voice coil diameter    ø   25 mm

Voice coil winding height      12.8 mm

Max. linear excursion     Xmax    +/- 3.4 mm

Outer diameter    ø   130 mm / 5.12″

Installation diameter    ø   116.5 mm / 4.59″

Installation depth      58.5 mm / 2.31″



Features    ProConnect terminal



Compatibility Wirekits



Scope of delivery

2 x Ci7 W130-S3

2 x Connection cable

2 x Mounting material