Description
Hertz C 165 F – 6.5″ Slim Midbass Car Woofer (70W RMS, 180W Peak, 4Ω)
Hertz C 165 F – Shallow Mount 165 mm Woofer for OEM Speaker Upgrades
The Hertz C 165 F is a premium 6.5-inch (165 mm) shallow-mount midbass woofer from the renowned Hertz Cento series, engineered specifically for vehicles with limited installation depth. Its ultra-slim basket design allows easy installation into factory speaker locations where conventional woofers simply won’t fit, making it an ideal solution for OEM audio upgrades.
Delivering 70W RMS, 180W peak power, 93 dB sensitivity, and a frequency response of 65 Hz – 4.5 kHz, the C 165 F produces clean, punchy midbass with excellent detail and low distortion while requiring minimal installation modifications.
Slim Profile for Easy OEM Installation
Many modern vehicles provide very little mounting depth behind factory speakers.
The Hertz C 165 F solves this problem with:
- Ultra-shallow mounting profile
- Compact basket design
- Direct replacement for many OEM speaker locations
- Minimal modification required
- Ideal for factory door installations
Its reduced installation depth makes it one of the best choices for upgrading factory sound systems without extensive fabrication.
Semi-Pressed Paper Cone with Mica Reinforcement
The woofer features Hertz’s Semi-Pressed Paper cone, reinforced with Mica powder.
Benefits include:
- Excellent rigidity
- Fast transient response
- Natural midrange reproduction
- Smooth frequency response
- Reduced unwanted resonance
This lightweight yet durable cone delivers detailed vocals together with accurate and controlled bass.
High-Efficiency Ferrite Magnet System
The C 165 F uses a high-density flux ferrite magnet combined with optimized low-carbon steel pole plates.
Advantages include:
- High efficiency
- Strong magnetic control
- Reduced distortion
- Stable performance at high volume
- Excellent midbass precision
This magnetic structure allows the woofer to maintain clean and controlled sound even during demanding playback.
Copper Voice Coil for Reliable Performance
The 25 mm pure copper voice coil, wound on an aluminum former, provides:
- Excellent heat dissipation
- High mechanical durability
- Consistent performance
- Improved power handling
- Long-term reliability
This design helps maintain stable sound quality during extended listening sessions.
Key Features
- Premium 6.5″ (165 mm) shallow-mount woofer
- 70W RMS / 180W Peak power handling
- 4 Ohm impedance
- 93 dB sensitivity
- Frequency response: 65 Hz – 4.5 kHz
- Ultra-slim basket for OEM installations
- Semi-Pressed Paper cone with Mica reinforcement
- High-density ferrite magnet
- 25 mm pure copper voice coil
- Excellent midbass performance with low distortion
Recommended Applications
The Hertz C 165 F is ideal for:
- OEM speaker replacements
- Factory audio upgrades
- Vehicles with limited installation depth
- Front or rear door installations
- Midbass speaker upgrades
- Systems powered by factory radios or aftermarket amplifiers
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Type | Midbass Woofer |
| Speaker Size | 165 mm (6.5″) |
| RMS Power | 70 W |
| Peak Power | 180 W |
| Impedance | 4 Ω |
| Frequency Response | 65 Hz – 4.5 kHz |
| Sensitivity | 93 dB |
| Voice Coil | 25 mm Copper |
| Cone Material | Semi-Pressed Paper with Mica |
| Magnet | High-Density Ferrite |
Why Choose Hertz C 165 F?
The Hertz C 165 F is an excellent choice for drivers looking to upgrade factory speakers in vehicles where installation depth is limited. Its slim-profile basket, lightweight Mica-reinforced paper cone and high-efficiency magnetic system deliver clean, dynamic midbass while fitting into OEM mounting locations with minimal effort.
Whether paired with a factory head unit or an aftermarket amplifier, the C 165 F provides the detailed and natural sound quality expected from the Hertz Cento series.
Upgrade Your Factory Sound with Hertz Cento
Enjoy stronger midbass, greater clarity and effortless OEM installation with the Hertz C 165 F. Designed specifically for modern vehicles with limited mounting depth, it offers premium Hertz sound quality without the installation challenges of conventional woofers.

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