Helix Compose i5 Ci5 W165FM-S3 Midbass Woofer 6.5 Inch FlexMount 125w RMS

Description

HELIX Ci5 W165FM-S3 – Advanced Midbass Speaker

The HELIX Ci5 W165FM-S3 is a 6.5″ midbass speaker from the COMPOSE i5 series, engineered for music enthusiasts who demand clarity, precision, and flexibility in their car audio setups. It delivers powerful, dynamic sound while maintaining a compact design suitable for various vehicles.

Key Features:

• High-Performance Midbass: 6.5″ (165 mm) speaker offers a wide frequency response and impressive power handling, ideal for both two-way and three-way audio configurations.

• Silicon-Coated Paper Cone: Lightweight yet rigid cone ensures precise sound reproduction with minimal resonance, providing clean mids and controlled bass.

• Integrated Phase Plug: Enhances upper midrange performance, reduces compression effects, and improves voice coil thermal handling.

• Efficient Design: 3 Ω impedance maximizes amplifier output while maintaining high sound pressure and efficiency.

• Sturdy Basket: High-tech polymer composite reinforced with glass beads reduces unwanted resonance and ensures stability even under demanding conditions.

• Flexible Connectivity: ProConnect terminals allow secure and fast connections with conventional speaker cables or optional WireKits.

• Vehicle-Specific Integration: Compatible with FlexMount165 adaptors for optimized mounting in a wide range of vehicles.

• Power Handling: Supports up to 125 W RMS (175 W max), suitable for sophisticated audio setups.

Specifications:

• Part Number: Ci5 W165FM-S3

• Impedance: 3 Ω

• DC Resistance (Re): 3.1 Ω

• Frequency Response: 50 Hz – 5,000 Hz

• Resonance Frequency (Fs): 50 Hz

• Mechanical Q Factor (Qms): 2.38

• Electrical Q Factor (Qes): 0.50

• Total Q Factor (Qts): 0.41

• Compliance (Cms): 742 µm/N

• Equivalent Air Volume (Vas): 17.9 L

• Force Factor (B*I): 5.2 Tm

• Sensitivity (SPL): 92 dB @ 2.83 V/1 m | 88 dB @ 1 W/1 m

• Cone Area (Sd): 131 cm²

• Moving Mass (Mms): 14 g

• Cone Material: Silicon-coated paper

• Mechanical Resistance (Rms): 1.83 kg/s

• Voice Coil Diameter: 37 mm

• Voice Coil Winding Height: 13.7 mm

• Max Linear Excursion (Xmax): ±3.9 mm

• Outer Diameter: 165 mm / 6.5″

• Installation Diameter: 142 mm / 5.59″

• Installation Depth: 66.8 mm / 2.63″

What’s Includes:

• 2 x Ci5 W165FM-S3 Speakers

• 2 x Mounting Materials

• 2-Year Warranty