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These Hertz DCX 130.3 coaxial speakers consistently deliver clear highs and well-defined mids and make a noticeable upgrade over factory speakers. They’re efficient and easy to install, and while they sound good on many stock head units, they open up further with a proper amplifier; expect limited deep bass and potential harshness when driven very hard.
Buyer confidence
82%Key specs
Full specs- Component
- Two way coaxial
- Size mm (in.)
- 130 (5)
- Power Handling - Continuous W
- 40
- Power Handling - Peak W
- 80
- Impedance Ohm
- 4
- Frequency Response Hz
- 65 ÷ 21k
- Woofer Magnet size D x d x h mm (in.)
- 70 x 32 x 15 (2.7 x 1.3 x 0.6)
- Weight of one speaker kg (lb.)
- 0,56 (1.23)
Key specs
Full specs- Component
- Two way coaxial
- Size mm (in.)
- 130 (5)
- Power Handling - Continuous W
- 40
- Power Handling - Peak W
- 80
Review highlights
Based on customer reviewsHertz DCX 130.3 — clear, mid‑forward 5.25" coaxials
These Hertz DCX 130.3 coaxial speakers consistently deliver clear highs and well-defined mids and make a noticeable upgrade over factory speakers. They’re efficient and easy to install, and while they sound good on many stock head units, they open up further with a proper amplifier; expect limited deep bass and potential harshness when driven very hard.
What buyers praise
- Clear highs and well-defined mids
- Noticeable upgrade over typical factory speakers
What to watch for
- Limited deep bass—users note low‑end roll‑off (around ~65 Hz reported)
Overview
To meet all installation needs, without giving up on Hertz quality and performance, The Dieci DCX 130.3 car audio coaxials were designed with maniacal care to provide a linear frequency response and ensure high reliability. A Neodymium magnet, PEI dome tweeter, built-in crossover, TPU (Thermoplastic polyurethane) surround and a pressed-paper cone provide the optimum ratio between installation friendliness and sound with dynamic and emotional impact.
Specs
Technical Specs
12
| Component | Two way coaxial |
| Size mm (in.) | 130 (5) |
| Power Handling - Continuous W | 40 |
| Power Handling - Peak W | 80 |
| Impedance Ohm | 4 |
| Frequency Response Hz | 65 ÷ 21k |
| Woofer Magnet size D x d x h mm (in.) | 70 x 32 x 15 (2.7 x 1.3 x 0.6) |
| Weight of one speaker kg (lb.) | 0,56 (1.23) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Water-repellent pressed paper |
| Dome | PEI |
Electro-acoustic Specs
11
| D mm | 112 |
| Re Ohm | 3,3 |
| Fs Hz | 82 |
| Vas I | 7 |
| Mms g | 7,4 |
| Cms mm/N | 0,51 |
| BL T*m | 3,8 |
| Qts | 0,76 |
| Qes | 0,93 |
| Qms | 4,3 |
| Spl dB | 93 |
Physical Specs
5
| A | 130 mm (5.0 in.) |
| A3 | 151 mm (5.9 in.) |
| B | 116 mm (4.6 in.) |
| C | 59 mm (2.3 in.) |
| D | 52 mm (2.0 in.) |
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