Helix CB K165.2-S3, speaker set for cars

Helix Basic is the most affordable collection of the Compose series, with an excellent price-quality ratio!

• Recommended amplifier power: 120W (RMS).
• Frequency range: 60 Hz - 22,000 Hz.
• Sensitivity SPL 92 dB @ 2.83V / 1m.
• Resistance: 3 Ohms.

Helix Compose Basic 165mm / 6.5″ - 2-way standalone set

The Compose Series speakers are optimized for Helix/Match DSP processors.

The Helix Basic is the most affordable collection in the Compose series, with an excellent price/quality ratio!

Like the other Compose models, the Basic is designed to be stationary in the car, which means that it is optimized specifically for in-car use.

One of the key elements of the Compose range is a patented mounting system called FlexMount, based on specially developed speaker adapters.
This technology allows you to fit Compose Basic speakers to an almost infinite number of car models by simply changing the fitting ring to suit your car.

SPECIFICATIONS

Power handling RMS / Max. P 80 / 120 Watts
Frequency response 60 Hz - 22,000 Hz
Impedance Z 3 Ω
Sensitivity SPL 92 dB @ 2.83V / 1m
88 dB @ 1W / 1m
Outer diameter ø
Tweeter: 32.0 mm / 1.26”
Midbass: 166.0 mm / 6.54”

Installation diameter ø
Tweeter: 32.0 mm / 1.26”
Midbass: 143.0 mm / 5.63”

Installation depth
Tweeter: 9.8 mm / 0.39”
Midbass: 61.4 mm / 2.42”

Dimensions crossover
103.3 x 50.4 x 25.0 mm /
4.07 x 1.98 x 0.98”


Midbass
Impedance Z 3 Ω
DC resistance Re 3.0 Ω
Resonance frequency Fs 62 Hz
Mechanical Q factor Qms 4.50
Electrical Q factor Qes 0.90
Total Q factor Qts 0.75
Compliance Cms 520 μm/N
Equivalent air volume Vas 14.5 L
Force factor B*l 4.1 Tm
Cone area Sd 141 cm2
Moving mass Mms 13.2 g
Mechanical resistance Rms 1.10 kg/s
Voice coil diameter ø 25 mm
Voice coil winding height

8.9 mm
Max. linear excursion Xmax +/- 2.5 mm

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Impedance Z 4 Ω
Resonance frequency Fs 2000 Hz
Voice coil diameter ø 20 mm

Features
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Ultra compact, silk dome, neodymium magnet and FlexMount20

Midbass
Injected polypropylene cone

Crossover
Tweeter: 12 dB highpass, protection and level adjustment

INSTRUCTIONS

User Manual (EN).