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These speakers are a clear step up from factory units, delivering crisp highs, defined mids and good imaging for many users. However, several reviewers reported cone failures or a piercing tweeter response at higher volumes, and installation may require non‑stock wiring solutions.
Buyer confidence
77%Key specs
Full specs- Component
- Two way coaxial
- Size mm (in.)
- (5 x 7)
- Power Handling - Continuous W
- 60
- Power Handling - Peak W
- 120
- Impedance Ohm
- 4
- Depth mm (in.)
- 66 (2.6)
- Woofer Voice Coil Ø mm (in.)
- 25 (1.0)
- Frequency Response Hz
- 60 ÷ 21k
Key specs
Full specs- Component
- Two way coaxial
- Size mm (in.)
- (5 x 7)
- Power Handling - Continuous W
- 60
- Power Handling - Peak W
- 120
Review highlights
Based on customer reviewsHertz DCX 570.3 — clear, detailed coaxial upgrade with some durability and installation caveats
These speakers are a clear step up from factory units, delivering crisp highs, defined mids and good imaging for many users. However, several reviewers reported cone failures or a piercing tweeter response at higher volumes, and installation may require non‑stock wiring solutions.
What buyers praise
- Noticeable improvement over stock/OEM speakers
- Crisp, detailed highs and mids
What to watch for
- Some users reported premature cone failure or general fragility under regular use
Overview
Hertz DCX 570.3 car audio coaxial features a neodymium magnet, PEI dome tweeter, built-in crossover, TPU (Thermoplastic polyurethane) surround and a copper mobile voice coil wound on conex former. An extremely light, yet stiff structure ensures linear frequency response and a high sensitivity level. This 2-way coax speaker is designed to satisfy specific installation and listening needs.
Specs
Technical Specs
14
| Component | Two way coaxial |
| Size mm (in.) | (5 x 7) |
| Power Handling - Continuous W | 60 |
| Power Handling - Peak W | 120 |
| Impedance Ohm | 4 |
| Depth mm (in.) | 66 (2.6) |
| Woofer Voice Coil Ø mm (in.) | 25 (1.0) |
| Frequency Response Hz | 60 ÷ 21k |
| Woofer Magnet size D x d x h mm (in.) | 80 x 40 x 15 (3.1 x 1.6 x 0.6) |
| Weight of one speaker kg (lb.) | 0,76 (1.67) |
| Woofer Magnet | High density flux ferrite |
| Tweeter Magnet | Neodymium |
| Cone | Water-repellent pressed paper |
| Dome | PEI |
Electro-acoustic Specs
11
| D mm | 136 |
| Re Ohm | 3,3 |
| Fs Hz | 81 |
| Vas I | 10,7 |
| Mms g | 10,8 |
| Cms mm/N | 0,36 |
| BL T*m | 4,3 |
| Qts | 0,82 |
| Qes | 1,00 |
| Qms | 4,56 |
| Spl dB | 93 |
Physical Specs
6
| A1 | 220 mm (8.7 in.) |
| A2 | 141 mm (5.6 in.) |
| B1 | 182 mm (7.2 in.) |
| B2 | 127 mm (5 in.) |
| C | 66 mm (2.6 in.) |
| D | 59 mm (2.3 in.) |
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