






"Fit perfectly and worked exactly as expected — support was excellent."
Hertz DCX 460.3
Upgrade Your Vehicle With Confidence. This Is Built to Fit, Perform, and Last
Hertz DCX 460.3 | Dieci Series 4"x6" 2-Way Coaxial Speakers
Experience the renowned "Hertz Sound" even in vehicles with restricted mounting spaces. The Hertz DCX 460.3 is a high-efficiency 2-way coaxial speaker engineered to deliver a linear frequency response and impressive reliability. By combining a water-repellent pressed paper woofer with a PEI dome tweeter, these speakers provide a balanced, detailed audio profile that significantly outperforms standard factory equipment.
Product Highlights
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High Sensitivity: Rated at 93 dB, these speakers are incredibly efficient, making them an ideal choice for powering directly from a factory head unit or a low-power amplifier.
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Enhanced Durability: Features a water-repellent treated paper cone and a TPU (Thermoplastic Polyurethane) surround, ensuring consistent performance even in the harsh automotive environment.
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Superior Highs: The neodymium magnet tweeter with a PEI dome provides crisp, energetic high-frequency reproduction with wide off-axis dispersion.
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Compact Installation: Specifically designed for vehicles requiring a 4"x6" fitment, featuring a shallow mounting depth of just 2.1 inches.
Key Features
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V-Cone Profile: Provides excellent off-axis response and detailed mid-high frequency sound.
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Built-in Crossover: An integrated crossover optimizes the signal between the woofer and tweeter for a seamless acoustic transition.
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Pure Copper Voice Coil: Wound on a Conex former for maximum lightness and superior thermal dissipation.
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Protected Basket: The DIN-size basket is coated in abrasion-proof dust paint for long-lasting protection against corrosion.
Technical Specifications
| Feature | Specification |
| Speaker Size | 4" x 6" (100 x 150 mm) |
| Design | 2-Way Coaxial |
| Power Handling (RMS) | 40 Watts |
| Power Handling (Peak) | 80 Watts |
| Impedance | 4-Ohm |
| Frequency Response | 65 Hz – 21,000 Hz |
| Sensitivity | 93 dB SPL |
| Mounting Depth | 2.1" (53 mm) |
What’s In The Box?
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(2) Hertz DCX 460.3 4"x6" speakers
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(8) 3/4" Mounting screws
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(8) Speed clips
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Owner’s manual (Multi-language)
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Mounting template (printed on the box)
- Ships within 1–3 business days from our warehouse
- Tracking included with every order
- Free 30-day returns if it doesn’t work for your setup
- 2-year manufacturer warranty
- Authorized dealer guarantee
- Real installer-backed support before and after purchase

Why This Upgrade Makes Daily Driving Better
Ease of Use & Safety
Expandable by Design
FITMENT & INSTALLATION MADE SIMPLE
WHAT VEHICLES IT WORKS WITH
We verify compatibility before you buy, no guesswork.
DIY FRIENDLY IF:
- You're comfortable with basic tools
- You follow provided instructions
PROFESSIONAL INSTALL RECOMMENDED IF:
- Your vehicle requires dash kits or wiring adapters
- You want a turnkey experience
INSTALLATION CREDIT & SUPPORT:
- $75 Installation Credit when purchased online
- Speak to real installers before you buy
- Bring it into one of our locations for install
Why Buying This Here Is Safer Than Anywhere Else
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Verified Vehicle Fit
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Installer Support
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Authorized Products
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Easy Returns
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Physical stores & real installers
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FREQUENTLY ASKED QUESTIONS
FREQUENTLY ASKED QUESTIONS
How do I know this stereo or speaker will fit my car?
Select your year, make, and model using the Vehicle Fit Guide at the top of the page. You’ll only see products that are compatible with your exact vehicle setup.
What happens if I order something that doesn’t fit?
You can return or exchange it within 30 days. We’ll help you identify the correct part for your vehicle so you don’t have to guess again.
Are these products brand new and covered by warranty?
Yes — all products are brand new, authentic, and sold as an authorized dealer, which means they include a full manufacturer warranty.
Can you install this for me, or do I need to do it myself?
You can do either. Install it yourself, or use your $75 installation credit at our shop and have it professionally installed by our team.
What if I don’t know what to choose for my car?
Tell us your vehicle and what you want to improve (sound, bass, CarPlay, etc.). We’ll recommend the exact products that fit your car and your budget.
