HELIX Ci5 W165FM-S3 165mm 3 Ohm Midbass Woofers – Pair

HELIX Ci5 W165FM-S3 – 165mm 3 Ohm Midbass Woofers

A pair of 165mm woofers combining 3-ohm impedance, silicon-coated paper cones and 125W RMS / 175W maximum power handling. FlexMount165 compatibility and ProConnect terminals support integration into a suitable COMPOSE installation. Their specified frequency range is 50–5,000Hz.

Part of the HELIX COMPOSE i5 range, these drivers are supplied as a pair for use in a suitable custom or vehicle-adapted speaker system. Select the correct mounting hardware, wiring and crossover configuration for the installation; FlexMount compatibility alone does not establish fitment for a particular vehicle.

Key features

• 6.5” / 165 mm advanced midbass with exceptional sound performance and versatile physical integration options
• High efficiency and 3 Ohms technology for maximized power output of the amplifier
• Silicon coated paper cone for excellent impulse response and unmatched frequency response
• Integrated phase plug for improved upper midrange reproduction, reduced compression effects, and increased thermal power handling of the voice coil
• Engineered for maximum flexibility – delivers impressive depth and stunning dynamics in both 2-way and 3-way system configurations
• High-tech polymer composite basket reinforced with glass beads for enormous rigidity and minimized ringing
• Specially shaped rubber surround for high linear cone excursion
• Large 1.46” / 37 mm voice coil ensures minimum thermal compression and high power handling
• Automotive grade ProConnect connection terminal allows the use of conventional speaker cables or a fast, secure and fail-safe connection via optionally available WireKits
• Powerful magnet system for highest efficiency and extremely low distortion
• Driver development verified with Klippel Analyzer System
• Designed for the optionally available car-specific FlexMount165 adaptors which allow an acoustically optimized and professional integration in the original mounting location of the vehicle
• Designed for optionally available, car-specific WireKits which allow a non-destructive integration

Technical specifications

• Power handling RMS / Max.: 125 / 175 Watts
• Impedance: 3 Ω
• DC resistance: 3.1 Ω
• Frequency response: 50 Hz - 5,000 Hz
• Resonance frequency: 50 Hz
• Mechanical Q factor: 2.38
• Electrical Q factor: 0.50
• Total Q factor: 0.41
• Compliance: 742 µm/N
• Equivalent air volume: 17.9 L
• Force factor: 5.2 Tm
• Sensitivity: 92 dB @ 2.83 V / 1m; 88 dB @ 1W / 1m
• Cone area: 131 cm²
• Moving mass: 14.0 g
• Cone material: Silicon coated paper cone
• Mechanical resistance: 1.83 kg/s
• Voice coil diameter: 37 mm
• Voice coil winding height: 13.7 mm
• Max. linear excursion: +/- 3.9 mm
• Outer diameter: 165 mm / 6.5"
• Installation diameter: 142 mm / 5.59"
• Installation depth: 66.8 mm / 2.63"
• Features: ProConnect terminal, ; FlexMount165

Installation notes

Check the 142mm installation diameter and 66.8mm mounting depth against the vehicle. Vehicle-specific mounting adaptors and wiring accessories must be selected separately where required.

What’s included

• 2 x Ci5 W165FM-S3
• 2 x Mounting material

UK Delivery Options:

• Standard Delivery 2-3 Working Days £4.99
• Courier Next Working Day £9.99
• Courier Saturday £25

International Delivery Options:

Some European countries are included - Please email us to confirm we can send to you destination. Sales@CarAudioDirect.co.uk

Order Tracking:

Visit the DPD website Tracking page here - You will need your tracking number

Unwanted Goods:

In accordance with The Consumer Contracts Regulations (2015), you have a 14 working day 'cooling off period' in which you have the right to cancel your purchase and receive a full refund.

Manufacturer's warranty:

Beyond this 14 working day period, you are covered under the manufacturer's warranty which is typically 1 year (Excluding Open Box products). If your product becomes faulty during this period, you should contact our eSupport department, via the website, direct email or phone for a returns number. We will then arrange for your item to be repaired (or replaced, if appropriate with a new product) or provide details of the manufacturers local service centre.

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