Description
Hertz Dieci DCX 165.3 – 6.5″ 2-Way Coaxial Car Speakers (240W Peak)
Hertz Dieci DCX 165.3 – High-Performance Coaxial Speakers for OEM Audio Upgrades
The Hertz Dieci DCX 165.3 is a premium 2-way coaxial speaker system designed to significantly improve the sound quality of factory-installed audio systems. Featuring a 6.5-inch (165 mm) woofer, 15 mm tweeter, 60W RMS / 240W peak power, and 93 dB sensitivity, these speakers deliver powerful bass, natural vocals and detailed high frequencies in a simple plug-and-play upgrade.
As part of the renowned Hertz Dieci series, the DCX 165.3 offers excellent efficiency and balanced sound, making it an ideal replacement for original vehicle speakers.
Premium 2-Way Coaxial Speaker System
The coaxial design combines the woofer and tweeter into a single speaker, making installation simple while delivering full-range sound.
The system includes:
- 6.5″ (165 mm) woofer
- 15 mm tweeter
- Integrated crossover
- Pair of speakers (2 pcs.)
This design provides excellent tonal balance and clear sound reproduction across the entire frequency range.
Powerful 165 mm Woofer
The 165 mm woofer features a hydrophobic pressed-paper cone engineered for accurate and dynamic performance.
Benefits include:
- Deep and punchy bass
- Clear midrange reproduction
- Moisture-resistant cone material
- Fast transient response
- Excellent durability
The frequency response extends down to 60 Hz, providing rich low-frequency performance for everyday listening.
Integrated 15 mm Tweeter
The built-in 15 mm tweeter delivers smooth and detailed high-frequency reproduction.
Advantages include:
- Clear vocals
- Crisp treble
- Balanced frequency response
- Wide sound dispersion
- Natural listening experience
The coaxial configuration ensures seamless integration between low and high frequencies.
Designed for OEM Speaker Replacement
The Hertz Dieci DCX 165.3 is engineered as a direct replacement for factory speakers.
Benefits include:
- Standard 165 mm speaker size
- Compact installation depth
- OEM-friendly dimensions
- Easy installation
- Compatible with factory and aftermarket head units
It provides a noticeable improvement in sound quality without requiring major modifications.
High-Efficiency Performance
With 93 dB sensitivity, the DCX 165.3 delivers excellent output even when powered directly from many factory radios.
This results in:
- Higher sound levels
- Improved dynamics
- Better clarity
- Efficient amplifier performance
- Excellent everyday usability
Key Benefits
- Premium 2-way coaxial speaker system
- Sold as a pair (2 speakers)
- 6.5-inch (165 mm) woofer
- 15 mm tweeter
- 60 W RMS / 240 W Peak Power
- High 93 dB sensitivity
- Frequency response: 60 Hz – 21 kHz
- Hydrophobic pressed-paper cone
- High-density ferrite magnet
- Ideal OEM speaker replacement
- Suitable for factory and aftermarket audio systems
Recommended Applications
The Hertz Dieci DCX 165.3 is ideal for:
- Factory speaker replacements
- Front or rear door speaker upgrades
- OEM audio system improvements
- Daily driving with premium sound quality
- Entry-level Hi-Fi systems
- Vehicles powered by factory or aftermarket head units
Technical Specifications
| Specification | Value |
|---|---|
| Speaker Type | 2-Way Coaxial Speaker |
| Speaker Size | 165 mm (6.5″) |
| Tweeter Size | 15 mm |
| RMS Power | 60 W |
| Peak Power | 240 W |
| Impedance | 4 Ω |
| Frequency Response | 60 Hz – 21 kHz |
| Sensitivity | 93 dB |
| Woofer Cone | Hydrophobic Pressed Paper |
| Magnet | High Density Ferrite |
| Installation Depth | 61 mm |
| Mounting Diameter | 142 mm |
Why Choose Hertz Dieci DCX 165.3?
The Hertz Dieci DCX 165.3 is an excellent upgrade for anyone seeking better sound quality from their factory audio system. Its efficient coaxial design, durable hydrophobic paper cone and high sensitivity deliver stronger bass, clearer vocals and more detailed highs than standard OEM speakers.
Whether connected to a factory radio or an aftermarket amplifier, the DCX 165.3 provides the reliable performance and musical sound quality that have made Hertz one of the world’s leading car audio brands.
Upgrade Your Car Audio Experience
Enjoy deeper bass, clearer vocals and crisp high frequencies with the Hertz Dieci DCX 165.3. Designed for easy OEM installation and outstanding everyday performance, these coaxial speakers are the perfect solution for upgrading your vehicle’s sound system.

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