Description
HELIX COMPOSE CB W165-S3 – 6.5″ Midbass Car Speakers (3Ω, 120W Peak Power)
HELIX COMPOSE CB W165-S3 – High-Efficiency 6.5″ Midbass Speakers for Powerful OEM Audio Upgrades
The HELIX COMPOSE CB W165-S3 is a premium 6.5-inch (165 mm) midbass speaker from the HELIX COMPOSE BASIC series, designed to deliver powerful bass, excellent midrange clarity and high efficiency for factory and aftermarket car audio systems. Featuring 3 Ohm technology, a lightweight polypropylene cone and a high-performance magnet system, the CB W165-S3 provides dynamic, accurate sound with outstanding efficiency.
With 80W RMS power handling, 120W peak power, 92 dB sensitivity and a frequency response of 60 Hz – 3,500 Hz, this speaker is an ideal solution for OEM upgrades, active systems and custom component speaker installations.
High-Efficiency 3 Ohm Technology
The 3 Ohm impedance allows compatible amplifiers and factory head units to deliver more usable power compared to conventional 4 Ohm speakers.
Benefits include:
- Higher sound pressure levels
- Increased amplifier efficiency
- Stronger bass performance
- Improved system dynamics
The CB W165-S3 pairs perfectly with HELIX and MATCH amplifiers for maximum performance.
Powerful 6.5″ Midbass Driver
The 165 mm polypropylene midbass driver has been engineered to provide accurate bass and natural midrange reproduction.
Features include:
- Lightweight injected polypropylene cone
- Excellent rigidity with low distortion
- Powerful magnet system
- Optimized impulse response
- Wide frequency coverage
- High power handling
The result is deep, controlled bass with clean and detailed midrange performance.
Optimized Suspension Design
HELIX developed a specially shaped rubber surround that increases the effective cone area while allowing greater linear excursion.
Advantages:
- Improved low-frequency output
- Better cone control
- Higher maximum excursion
- Increased dynamic performance
This design helps the speaker produce stronger bass while maintaining excellent accuracy.
Efficient Cooling System
The robust steel basket includes additional ventilation openings that improve airflow around the voice coil.
Benefits:
- Better heat dissipation
- Increased power handling
- Reduced thermal compression
- Greater long-term reliability
The polyurethane dust cap also contributes to smoother upper midrange reproduction.
Compact OEM-Friendly Installation
The CB W165-S3 has been designed for straightforward installation in a wide range of vehicles.
Advantages include:
- Compact mounting depth
- OEM replacement compatibility
- Suitable for custom component systems
- Easy integration into factory speaker locations
Its design makes it ideal for both OEM upgrades and advanced custom installations.
Key Benefits
✅ 6.5″ (165 mm) midbass speaker
✅ 80W RMS / 120W Peak power handling
✅ High-efficiency 3 Ohm technology
✅ 92 dB sensitivity
✅ Frequency response: 60 Hz – 3,500 Hz
✅ Lightweight polypropylene cone
✅ Powerful magnet system
✅ Ventilated steel basket for improved cooling
✅ Special rubber surround for greater excursion
✅ Excellent choice for OEM upgrades and active systems
Recommended Applications
The HELIX COMPOSE CB W165-S3 is ideal for:
- OEM speaker upgrades
- Front door midbass replacements
- 2-way component systems
- 3-way active audio systems
- DSP-controlled installations
- HELIX and MATCH amplifier systems
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Type | Midbass Speaker |
| Woofer Size | 165 mm (6.5″) |
| RMS Power | 80 W |
| Peak Power | 120 W |
| Impedance | 3 Ω |
| Frequency Response | 60 Hz – 3,500 Hz |
| Sensitivity | 92 dB @ 2.83V / 1m |
| Cone Material | Injected Polypropylene |
| Voice Coil Diameter | 25 mm |
| Resonance Frequency (Fs) | 62 Hz |
| Maximum Linear Excursion (Xmax) | ±2.5 mm |
| Outer Diameter | 166 mm |
| Installation Diameter | 143 mm |
| Installation Depth | 61.4 mm |
Why Choose HELIX COMPOSE CB W165-S3?
The HELIX COMPOSE CB W165-S3 delivers exceptional value for anyone looking to upgrade factory speakers with a dedicated high-performance midbass driver. Its efficient 3 Ohm architecture, optimized suspension, powerful magnet system and durable polypropylene cone provide stronger bass, higher output and excellent clarity while remaining easy to install in a wide variety of vehicles.
Upgrade Your Car Audio Experience
Experience deeper bass, improved dynamics and premium HELIX sound quality with the HELIX COMPOSE CB W165-S3. Designed for effortless OEM integration and outstanding musical performance, it is the ideal midbass speaker for modern car audio systems.

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