Two HELIX Ci3 W200FM-S2 woofers showing cone and basket, with EISA badge
Two HELIX Ci3 W200FM-S2 woofers showing cone and basket, with EISA badge
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HELIX Ci3 W200FM-S2 COMPOSE i3 8" Performance Woofer 2 Ohm

SKU: COMPOSECi3W200FMS2
Price
$450
Inc. GST. Most orders ship Australia wide for a flat $15.95. Larger or heavier items may cost more.
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Shipping information

Australia wide flat rate shipping is $15.95. Larger or heavier items may cost more; we will confirm when your order is processed. In stock items are dispatched within 1 to 2 business days. Report transit damage within 24 hours with photos so we can lodge a freight claim.

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Two HELIX Ci3 W200FM-S2 woofers showing cone and basket, with EISA badge

HELIX Ci3 W200FM-S2 COMPOSE i3 8" Performance Woofer 2 Ohm

$450

Product features

Quick answer

The HELIX Ci3 W200FM-S2 is the 2 ohm version of the COMPOSE i3 8 inch woofer, built to draw more from a factory or small amplifier.

The lower load and 96 dB at 2.83V mean it gets loud on modest power, which helps with factory systems that cannot be swapped.

Problems it solves

  • A factory amplifier with little headroom. A 2 ohm load draws more output from it.
  • Shallow door cavities. The basket is 63.7 mm deep.
  • Rattles from a loose fit. Each woofer gets its own ring and grille to seal it in.

Specifications

  • Size: 8 inch, 195 mm outer, 208.9 mm with ring
  • Impedance: 2 ohm (Re 1.8 ohm)
  • Sensitivity: 96 dB at 2.83V, 90 dB at 1W
  • Fs: 72 Hz
  • Qts: 0.88
  • Vas: 14.5 litres
  • Moving mass: 20.8 g
  • Xmax: plus or minus 4.0 mm
  • Cutout: 173.5 mm
  • Mounting depth: 63.7 mm

Fitment and compatibility

Choose this one when the amplifier is stable at 2 ohm. It shares the S3 cutout of 173.5 mm and needs 63.7 mm depth; FlexMount200 adaptors are sold separately.

What is in the box

A pair of Ci3 W200FM-S2 woofers with two mounting rings, two grilles and the screws to fit them.

Install notes

Check the amplifier handles 2 ohm per channel before connecting. A HELIX WireKit plugs into the ProConnect terminal without cutting the loom.

Warranty

This comes with the manufacturer's warranty through the Australian distributor. See the manufacturer's terms for details, plus our guarantees under the Australian Consumer Law.

FAQ about the Ci3 W200FM-S2

Does the Ci3 W200FM-S2 suit my factory amplifier?

It suits amps that are stable at 2 ohm, such as many factory premium systems and HELIX plug and play amps. Choose this one when the amplifier is stable at 2 ohm.

How is the Ci3 W200FM-S2 different from the S3?

The S2 is 2 ohm with 96 dB at 2.83V; the S3 is 3 ohm with 94 dB.

How do I mount the Ci3 W200FM-S2 in my doors?

Use the supplied ring or a FlexMount200 adaptor, then seal it to the door skin. A pair of Ci3 W200FM-S2 woofers with two mounting rings, two grilles and the screws to fit them.

Also worth a look: Car Speakers and HELIX Ci3 W200FM-S3 Woofer.